PROTEKER : Mise en place d’un observatoire sous-marin côtier à Kerguelen

JPEG - 2.7 ko Effets du changement global sur benthos marin et les habitats côtiers des îles Kerguelen. Établissement d’une ligne de base pour les suivis écologiques et génétiques, la protection et la conservation

Dans le contexte actuel de changements climatiques, des variations du niveau marin et de la biodiversité, en particulier benthique, (disparition d’espèces, changements d’aires de répartition, remplacements, espèces "exotiques" et envahissantes) affecteront les îles australes, particulièrement en milieu côtier.
Les sites explorés au cours de campagnes hauturières ou en plongée autour de Kerguelen, ayant donné lieu à des récoltes et des travaux de recherche sont revisités au cours de nouvelles campagnes de la Curieuse. Les observations et le dépouillement de ces récoltes sont comparées avec ceux effectués depuis les années 70. Toutes les données, anciennes et nouvelles, sont saisies dans des
bases existantes ou compatibles, associées à un SIG. Certaines espèces dont la structure génétique est connue sont choisies pour un suivi génétique et la détermination de zones sensibles. L’ensemble apportera les bases scientifiques à la détermination de zones à protéger (lieu, surface et distances optimum entre les zones) et à gérer.

Nouveau sur le site
Aou. 2018 Du nouveau en ligne Main PROTEKER output et Theses related to Kerguelen
Jun. 2018 A field guide to coastal echinoderms of Kerguelen Islands - 16th International Echinoderm Conference, Nagoya, Japan, 28/05-01/06/2018
Mar. 2018 Mise en ligne du film de mission PROTEKER 3 2013-14
Fev. 2018 diaporama campagne 2017
Fev. 2018 Lien vers le film de P. Grua (1963) : Premières plongées à Kerguelen
Jan. 2018 L’observatoire sous-marin des îles Kerguelen dans SUBAQUA
Dec. 2017 PROTEKER collabore à Genomics insight into the past and present of Antarctic Biodiversity. A tool to assess the fate of a unique ecosystem in a changing world (GAB)
Mar. 2017 Une espèce modèle de PROTEKER (Abatus cordatus) sur le net
Jan. 2017 PROTEKER-phase1 in Rapport d’activité IPEV
presentation PROTEKER-phase1 Conférences d’Endoume
carnet de mission 2016-07
carnet de mission 2016-06
carnet de mission 2016-05
carnet de mission 2016-04
carnet de mission 2016-03
carnet de mission 2016-02
Déc. 2016 carnet de mission 2016-01
Oct. 2016 presentation Intn. Conf. Ecological Sciences, 24-28/10/2016, Marseille, France
Mai 2016 presentation 2nd Eur. Conf. Scientific Diving, 9-11/05/2016, Kristineberg, SE
diaporama campagne 2015
Publication du suivi des températures de l’eau de mer
diaporama campagne 2014
diaporama campagne 2013
diaporama campagne 2011-12

- Reportage France Télévisions FR3 (2014) (Marie Herenstein)
PROTEKER sequence begins at 02:45

Cliquez sur la vignette pour télécharger
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Article in "Espèces", 2016 : Féral (J.-P.), Beurier (J.-P.), Marschal (C.), Marty (G.), Motreuil (S.), Poulin (E.), Roca (J.-C.), Saucède (T.). Kerguelen, un archipel sous haute surveillance. Espèces , 21 : 33-39.

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Article in "Underwater Technology", 2016 : Féral (J.-P.), Saucède (T.), Poulin (E.), Marschal (C.), Marty (G.), Roca (J.-C.), Motreuil (S.), Beurier (J.-P.). PROTEKER : implementation of a submarine observatory at the Kerguelen islands (Southern Ocean). Underwater Technology 34(1) : 3-10. doi : 10.3723/ut.34.003

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Rapport d’activité de l’IPEV, 2016 : Féral (J.-P.), Saucède (T.), Améziane (N.) 2016. PROTEKER phase 1 : l’installation. Un observatoire sous-marin des effets du changement global sur les communautés benthiques côtières de l’Archipel des Kerguelen. Rapport d’activité, Campagne d’été 2015-2016 incluse, IPEV, Brest, pp. 28-35. DOI : 10.13140/RG.2.2.32380.13448

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Présentation de la phase 1 de PROTEKER (grand public)

subaqua
Paru dans SUBAQUA, n° jan-fev 2018 : Thomas Saucède & Sébastien Motreuil - L’observatoire sous marin des îles Kerguelen, 276 : 30-37


Guide des Echinodermes des côtes des Iles Kerguelen

Toutes les photos sont copyright ©PROTEKER

Abatus cordatus Ctenocidaris nutrix Sterechinus diadema Odontaster penicillatus Glabrasterias antarctica Ophiocantha vivipara Ophionotus hexactis Cladodactyla sinciski Pentactella laevigata

PROTEKER, programme IPEV 1044, campagnes d’été

Le programme IPEV n° 1044 - PROTEKER a été lancé pendant l’été austral 2011-2012. Il était coordonné parJean-Pierre Féral (IMBE, Marseille) et Nadia Améziane (MNHN, Paris - Concarneau). Plusieurs laboratoires marins somt impliqués en France, en Belgique et au Chili (see partners page).
. Ceci a constitué la première phase du programme.
Depuis 2015, Thomas Saucède dirige le programme qui accroit l’équipement des sites d’observatoires et développe des approches dans les domaines des réseaux trophiques, de la connectivité et de la phylogéographie.


Partners and participants

PROTEKER is coordonated by Thomas Saucède (Biogéosciences, Dijon) and Nadia Améziane (ISYEB, MNHN, Concarneau).
Several laboratories collaborate to this program
in France

  • Université de Bourgogne, Laboratoire Biogéosciences - Research unit 6282, Dijon
  • Institut Méditerranéen de Biodiversité et d’Écologie marine et continentale, IMBE - Research unit 7263, Marseille
  • Muséum national d’Histoire naturelle, MNHN, Institut de Systématique, Evolution et Biodiversité - UMR 7205 ISYEB, Concarneau
  • Centre de droit maritime et océanique - EA 1165, Nantes
  • Observatoire Océanologique de Banyuls-sur-Mer - UMS 2348
  • Université des Antilles et de la Guyane, Laboratoire de Biologie Marine, Pointe-à-Pitre, Guadeloupe
  • IFREMER, Laboratoire Environnement profond, Brest
  • Réserve Naturelle des Terres Australes Françaises, TAAF, Saint Pierre, La Réunion

and abroad

  • Chile :
    • Universidad de Chile, Laboratorio de Ecología Molecular (LEM), Instituto de Ecología y Biodiversidad, Departamento de Ciencias Ecológicas, Facultad de Ciencias, Santiago.
    • Universidad Austral de Chile (UACH), Instituto de Ciencias Marinas y Limnológicas, Valdivia.
    • Universidad de Concepción, Facultad de Ciencias Naturales y Oceanográficas Concepción.
    • Universidad de Magallanes, Laboratorio de Ecosistemas Marinos Antárticos y Subantárticos (LEMAS), Instituto de la Patagonia, Punta Arenas.
  • Belgium :
    • Université Libre de Bruxelles, Marine Biology Lab, BIOMAR, Faculté des Sciences, Bruxelles

[logos]

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N. Améziane J.-P. Beurier A. Chenuil-Maurel B. David
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R. David A. Diaz C. De Ridder P. Dubois
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M. Eléaume S. Fabri-Ruiz J.-P. Féral (PI 2011-14) J. Fournier
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K. Gérard C. Gonzalez-Wevar C. Guillaumot C. Marschal
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G. Marty L. Michel S. Motreuil P.-Y. Pascal
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E. Poulin J.-C. Roca C. Rocher T. Saucède (PI 2015-to date)
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M. Selva

Observation sites

Height sites have been chosen around Kerguelen Island :
- two on the north coast ( Choiseul and Baleiniers sectors) : Baie de l’Oiseau (Port Christmas) and Îlot des Trois Bergers.
- two on the south coast (Audierne sector) : Fjord des Portes Noires and Îles du Prince de Monaco
- two at the bottom of the Baie du Morbihan : Île Haute and Île Longue
- two in the surroundings of the Passe Royale : Île Suhm and Ilot Channer.

Tide schedule (Port-aux-Français)

Choiseul

Baie de l’Oiseau - Port Christmas

48°40’55"S 69°01’58"E
-48.68194 69.03277
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Baleiniers

Îlôt des Trois Bergers

49°17’24"S 69°42’41"E
-49.29000 69.71138
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Audierne

Fjord des Portes Noires Iles du Prince de Monaco
49°29’39"S 69°08’58"E 49°36’00"S 69°14’23"E
-49.49416 69.14944 -49.60000 69.23972
JPEG - 294.9 ko

Morbihan

Île Haute Île Longue
49°23’15"S 69°56’29"E 49°32’19"S 69°53’03"E
-49.38750 69.94138 -49.53861 69.88416

Ile Haute
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Ile Longue
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Passe Royale

Île Suhm Ilot Channer
49°29’36"S 70°09’41"E 49°22’59"S 70°11’08"
-49.49333 70.16138 -49.3831 70.1858

Ile Suhm
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Ilot Channer
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Thermorecorders

Equipment used for measurement and recording of temperature : HOBO
- video temperature probe : http://www.youtube.com/watch?v=aXrZzbu4hIQ
- HOBO Optic USB Base Station : http://www.youtube.com/watch?v=dcVc6laaPGw
- tutorial software : http://www.microdaq.com/occ/software/hoboware-video-tutorials.php


Recorded sea water temperatures

Sector Station/Depth(m) 5 15 5 15 5 15 5 15 5 15
1 Ilot Channer X X
1 Ile Suhm X X X X
2 Ile Haute X X X X X X X
2 Ile Longue X X X X X X X X
3 Port Christmas X X X X X
4 Ilot des Trois Bergers X X X
5 Fjord des Portes Noires X X X X
5 Iles du Prince de Monaco X X
Year 2012 2013 2014 2015 2016

Sectors : 1- Passe Royale, 2- Baie du Morbihan, 3- Choiseul, 4- Baleiniers, 5- Audierne


All data are copyright - ©PROTEKER
Sea water temperature at 15m depth in the Baie du Morbihan - 2012-2015
IL : Ile Longue, IH : Ile Haute, IS : Ile Suhm, IC : Ilot Channer


Colonization plates

In every site, a system of 10 plates of raw clay (20 x 20 cm) is fixed to the rock face in a depth of about 10 m.
JPEG - 55.1 ko Colonization plates installed at the Ile Suhm


Useful references

By author’s name

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2018



  • Agüera, A. & Byrne, M. A dynamic energy budget model to describe the reproduction and growth of invasive starfish Asterias amurensis in southeast Australia. Biological Invasions 20, 2015-2031 (2018).
    itemfields keyT23Z8E3S
    Version255
    TypeArticle de revue
    TitreA dynamic energy budget model to describe the reproduction and growth of invasive starfish Asterias amurensis in southeast Australia
    AuteurAgüera, Antonio
    AuteurByrne, Maria
    PublicationBiological Invasions
    Volume20
    Numéro8
    Pages2015-2031
    Date8/2018
    Langueen
    DOI10.1007/s10530-018-1676-5
    ISSN1387-3547, 1573-1464
    URLhttp://link.springer.com/10.1007/s10530-018-1676-5
    Consulté le2018-08-18T21:16:47Z
    Catalogue de bibl.Crossref
    itemfields collectionsArray
    Date d'ajout2018-08-18T21:19:43Z
    Modifié le2018-08-18T21:19:43Z


  • Chenuil, A., et al. Understanding processes at the origin of species flocks with a focus on the marine Antarctic fauna: Understanding the origins of species flocks. Biological Reviews 93, 481-504 (2018).
    itemfields keyRMHBZ3WM
    Version215
    TypeArticle de revue
    TitreUnderstanding processes at the origin of species flocks with a focus on the marine Antarctic fauna: Understanding the origins of species flocks
    AuteurChenuil, Anne
    AuteurSaucède, Thomas
    AuteurHemery, Lenaïg G.
    AuteurEléaume, Marc
    AuteurFéral, Jean-Pierre
    AuteurAméziane, Nadia
    AuteurDavid, Bruno
    AuteurLecointre, Guillaume
    AuteurHavermans, Charlotte
    RésuméSpecies flocks (SFs) fascinate evolutionary biologists who wonder whether such striking diversification can be driven by normal evolutionary processes. Multiple definitions of SFs have hindered the study of their origins. Previous studies identified a monophyletic taxon as a SF if it displays high speciosity in an area in which it is endemic (criterion 1), high ecological diversity among species (criterion 2), and if it dominates the habitat in terms of biomass (criterion 3); we used these criteria in our analyses. Our starting hypothesis is that normal evolutionary processes may provide a sufficient explanation for most SFs. We thus clearly separate each criterion and identify which biological (intrinsic) and environmental (extrinsic) traits are most favourable to their realization. The first part focuses on evolutionary processes. We highlight that some popular putative causes of SFs, such as key innovations or ecological speciation, are neither necessary nor sufficient to fulfill some or all of the three criteria. Initial differentiation mechanisms are diverse and difficult to identify a posteriori because a primary differentiation of one type (genetic, ecological or geographical) often promotes other types of differentiation. Furthermore, the criteria are not independent: positive feedbacks between speciosity and ecological diversity among species are expected whatever the initial cause of differentiation, and ecological diversity should enhance habitat dominance at the clade level. We then identify intrinsic and extrinsic factors that favour each criterion. Low dispersal emerges as a convincing driver of speciosity. Except for a genomic architecture favouring ecological speciation, for which assessment is difficult, high effective population sizes are the single intrinsic factor that directly enhances speciosity, ecological diversity and habitat dominance. No extrinsic factor appeared to enhance all criteria simultaneously but a combination of factors (insularity, fragmentation and environmental stability) may favour the three criteria, although the effect is indirect for habitat dominance. We then apply this analytical framework to Antarctic marine environments by analysing data from 18 speciose clades belonging to echinoderms (five unrelated clades), notothenioid fishes (five clades) and peracarid crustaceans (eight clades). Antarctic shelf environments and history appear favourable to endemicity and speciosity, but not to ecological specialization. Two main patterns are distinguished among taxa. (i) In echinoderms, many brooding, species-rich and endemic clades are reported, but without remarkable ecological diversity or habitat dominance. In these taxa, loss of the larval stage is probably a consequence of past Antarctic environmental factors, and brooding is suggested to be responsible for enhanced allopatric speciation (via dispersal limitation). (ii) In notothenioids and peracarids, many clades fulfill all three SF criteria. This could result from unusual features in fish and crustaceans: chromosome instability and key innovations (antifreeze proteins) in notothenioids, ecological opportunity in peracarids, and a genomic architecture favouring ecological speciation in both groups. Therefore, the data do not support our starting point that normal evolutionary factors or processes drive SFs because in these two groups uncommon intrinsic features or ecological opportunity provide the best explanation. The utility of the three-criterion SF concept is therefore questioned and guidelines are given for future studies.
    PublicationBiological Reviews
    Volume93
    Numéro1
    Pages481-504
    Date02/2018
    Langueen
    DOI10.1111/brv.12354
    ISSN14647931
    Titre abrégéUnderstanding processes at the origin of species flocks with a focus on the marine Antarctic fauna
    URLhttp://doi.wiley.com/10.1111/brv.12354
    Consulté le2018-08-10T15:24:10Z
    Catalogue de bibl.Crossref
    Date d'ajout2018-08-10T15:24:10Z
    Modifié le2018-08-10T15:28:45Z


  • Christiansen, H., et al. Diversity of Mesopelagic Fishes in the Southern Ocean - A Phylogeographic Perspective Using DNA Barcoding. Frontiers in Ecology and Evolution 6, (2018).
    itemfields keyU6YJBP7G
    Version364
    TypeArticle de revue
    TitreDiversity of Mesopelagic Fishes in the Southern Ocean - A Phylogeographic Perspective Using DNA Barcoding
    AuteurChristiansen, Henrik
    AuteurDettai, Agnès
    AuteurHeindler, Franz M.
    AuteurCollins, Martin A.
    AuteurDuhamel, Guy
    AuteurHautecoeur, Mélyne
    AuteurSteinke, Dirk
    AuteurVolckaert, Filip A. M.
    AuteurVan de Putte, Anton P.
    RésuméSmallmesopelagic fish are ubiquitous in the ocean, representing an important trophic link between zooplankton and tertiary consumers such as larger fish, marine mammals and birds. Lanternfishes (Myctophidae) are common worldwide as well as in the Southern Ocean. However, only 17 of the approximately 250 myctophid species occur exclusively in sub-Antarctic or Antarctic waters. It is unclear whether they colonized these latitudes once and diversified from there, or whether multiple colonization events took place in which multiple ancestral phenotypes entered the Southern Ocean at various times. Phylogeographic patterns have been investigated for individual myctophid species, but so far no study has compared species across the Southern Ocean. Here, we present a dataset with previously unpublished cytochrome c oxidase I (COI; n=299) and rhodopsin (rh1; n = 87) gene sequences from specimens collected at various locations in the Southern Ocean. Our data extend the DNA barcode library of Antarctic mesopelagic fish substantially. Combined morphological and molecular taxonomy lead to confident species level identification in 271 out of 299 cases, providing a robust reference dataset for specimen identification, independently of incomplete morphological characters. This is highly topical in light of prospective ecological metabarcoding studies. Unambiguous sequences were subsequently combined with publicly available sequences of the global DNA barcode library yielding a dataset of over 1,000 individuals for phylogenetic and phylogeographic inference. Maximum likelihood trees were compared with results of recent studies and with the geographical origin of the samples. As expected for these markers, deep phylogenetic relationships remain partially unclear. However, COI offers unmatched sample and taxon coverage and our results at the subfamily to genus level concur to a large extent with other studies. Southern Ocean myctophids are from at least three distant subfamilies suggesting that colonization has occurred repeatedly. Overall, spatial divergence of myctophids is rare, potentially due to their enormous abundance and the homogenizing force of ocean currents. However, we recommend further investigation of the phylogenetic position of Symbolophorus boops and highlight potential (pseudo-)cryptic or unrecognized species in Gymnoscopelus bolini, Lampanyctus achirus, and the non-myctophid genus Bathylagus.
    PublicationFrontiers in Ecology and Evolution
    Volume6
    Date2018-9-5
    LangueEnglish
    DOI10.3389/fevo.2018.00120
    ISSN2296-701X
    URLhttps://www.frontiersin.org/article/10.3389/fevo.2018.00120/full
    Consulté le2018-09-05T07:02:07Z
    Catalogue de bibl.Crossref
    Date d'ajout2018-09-05T07:02:07Z
    Modifié le2018-09-05T07:04:23Z


  • Díaz, A., et al. Genetic structure and demographic inference of the regular sea urchin Sterechinus neumayeri (Meissner, 1900) in the Southern Ocean: The role of the last glaciation. PLOS ONE 13, e0197611 (2018).
    itemfields keyJCQCPHLZ
    Version216
    TypeArticle de revue
    TitreGenetic structure and demographic inference of the regular sea urchin Sterechinus neumayeri (Meissner, 1900) in the Southern Ocean: The role of the last glaciation
    AuteurDíaz, Angie
    AuteurGérard, Karin
    AuteurGonzález-Wevar, Claudio
    AuteurMaturana, Claudia
    AuteurFéral, Jean-Pierre
    AuteurDavid, Bruno
    AuteurSaucède, Thomas
    AuteurPoulin, Elie
    ÉditeurChiang, Tzen-Yuh
    RésuméOne of the most relevant characteristics of the extant Southern Ocean fauna is its resiliency to survive glacial processes of the Quaternary. These climatic events produced catastrophic habitat reductions and forced some marine benthic species to move, adapt or go extinct. The marine benthic species inhabiting the Antarctic upper continental shelf faced the Quaternary glaciations with different strategies that drastically modified population sizes and thus affected the amount and distribution of intraspecific genetic variation. Here we present new genetic information for the most conspicuous regular sea urchin of the Antarctic continental shelf, Sterechinus neumayeri. We studied the patterns of genetic diversity and structure in this broadcast-spawner across three Antarctic regions: Antarctic Peninsula, the Weddell Sea and Ade lie Land in East Antarctica. Genetic analyses based on mitochondrial and nuclear markers suggested that S. neumayeri is a single genetic unit around the Antarctic continent. The species is characterized by low levels of genetic diversity and exhibits a typical star-like haplotype genealogy that supports the hypothesis of a single in situ refugium. Based on two mutation rates standardized for this genus, the Bayesian Skyline plot analyses detected a rapid demographic expansion after the Last Glacial Maximum. We propose a scenario of rapid postglacial expansion and recolonization of Antarctic shallow areas from a less ice-impacted refugium where the species survived the LGM. Considering the patterns of genetic diversity and structure recorded in the species, this refugium was probably located in East Antarctica.
    PublicationPLOS ONE
    Volume13
    Numéro6
    Pagese0197611
    Date2018-6-6
    Langueen
    DOI10.1371/journal.pone.0197611
    ISSN1932-6203
    Titre abrégéGenetic structure and demographic inference of the regular sea urchin Sterechinus neumayeri (Meissner, 1900) in the Southern Ocean
    URLhttp://dx.plos.org/10.1371/journal.pone.0197611
    Consulté le2018-08-10T15:28:58Z
    Catalogue de bibl.Crossref
    Date d'ajout2018-08-10T15:28:58Z
    Modifié le2018-08-10T15:31:26Z


  • Fraser, C. I., et al. Antarctica’s ecological isolation will be broken by storm-driven dispersal and warming. Nature Climate Change 8, 704-708 (2018).
    itemfields keyGBJQB4UV
    Version366
    TypeArticle de revue
    TitreAntarctica’s ecological isolation will be broken by storm-driven dispersal and warming
    AuteurFraser, Ceridwen I.
    AuteurMorrison, Adele K.
    AuteurHogg, Andrew McC
    AuteurMacaya, Erasmo C.
    Auteurvan Sebille, Erik
    AuteurRyan, Peter G.
    AuteurPadovan, Amanda
    AuteurJack, Cameron
    AuteurValdivia, Nelson
    AuteurWaters, Jonathan M.
    RésuméAntarctica has long been considered biologically isolated. Global warming will make parts of Antarctica more habitable for invasive taxa, yet presumed barriers to dispersal—especially the Southern Ocean’s strong, circumpolar winds, ocean currents and fronts—have been thought to protect the region from non-anthropogenic colonizations from the north. We combine molecular and oceanographic tools to directly test for biological dispersal across the Southern Ocean. Genomic analyses reveal that rafting keystone kelps recently travelled > 20,000 km and crossed several ocean-front ‘barriers’ to reach Antarctica from mid-latitude source populations. High-resolution ocean circulation models, incorporating both mesoscale eddies and wave-driven Stokes drift, indicate that such Antarctic incursions are remarkably frequent and rapid. Our results demonstrate that storm-forced surface waves and ocean eddies can dramatically enhance oceanographic connectivity for drift particles in surface layers, and show that Antarctica is not biologically isolated. We infer that Antarctica’s long-standing ecological differences have been the result of environmental extremes that have precluded the establishment of temperate-adapted taxa, but that such taxa nonetheless frequently disperse to the region. Global warming thus has the potential to allow the establishment of diverse new species—including keystone kelps that would drastically alter ecosystem dynamics—even without anthropogenic introductions.
    PublicationNature Climate Change
    Volume8
    Numéro8
    Pages704-708
    Date8/2018
    Langueen
    DOI10.1038/s41558-018-0209-7
    ISSN1758-678X, 1758-6798
    URLhttp://www.nature.com/articles/s41558-018-0209-7
    Consulté le2018-09-18T17:59:46Z
    Catalogue de bibl.Crossref
    Date d'ajout2018-09-18T17:59:46Z
    Modifié le2018-09-19T01:47:43Z


  • Gaspard, D., et al. Analysis of growth and form in Aerothyris kerguelenensis (rhynchonelliform brachiopod) - Shell spiral deviations, microstructure, trace element contents and stable isotope ratios. Chemical Geology 483, 474-490 (2018).
    itemfields keyT28CPKQU
    Version233
    TypeArticle de revue
    TitreAnalysis of growth and form in Aerothyris kerguelenensis (rhynchonelliform brachiopod) - Shell spiral deviations, microstructure, trace element contents and stable isotope ratios
    AuteurGaspard, Danièle
    AuteurAldridge, Anthony E
    AuteurBoudouma, Omar
    AuteurFialin, Michel
    AuteurRividi, Nicolas
    AuteurLécuyer, Christophe
    RésuméBrachiopods are usually attached benthic marine invertebrates with a shell (exoskeleton) that archives modifications of the environment via chemical proxies. Growth lines regularly occurring (i.e. excluding random ones) at the shell's surface reflect phenotypically controlled interruptions or changes in secretion (Williams et al., 1997). Modifications in the secretion rate and reorientation of shell elements within the thickness of the shell induce marked changes in shell morphology providing elements for estimating age throughout ontogeny for specimens of Aerothyris kerguelenensis (Davidson 1880, formerly known as Waldheimia kerguelensis Davidson, 1978), from the Southern Indian Ocean. Maxima and minima of deviations from underlying shell spiral growth (SSD), plus maps (SEM-EDS) and Electron Microprobe (WDS) of Mg, S, Ca, Mn, Fe that are components of shells along with Scanning Electron Microscopy (SEM) all show evidence of rhythms at different time scales, including annual ones. Growth rates differ in young and adult forms as well as between dorsal and ventral valves; additionally the amplitudes of Mg peaks are higher early in ontogeny and in the primary shell layer, progressively decreasing with sporadic peaks. Anterior regions of shells are more informative regarding external growth (i.e. major growth marks) and mainly record later events in the life of the individual. Posterior regions are informative for internal morphology (cumulative growth) and reveal Mg bands and related concentrations that are consistent with the main extrema (maxima and minima) observed when using SSD and WDS analyses. Mg/Ca ratios indicate fluctuations in temperature and food supply during the growth period. Seawater temperatures calculated from the oxygen isotope compositions of the secondary layer of calcite in shells of A. kerguelenensis are close to those measured in situ in the environment in which they live. However, the difference in carbon isotope composition between the two studied shells reveal that these specimens record isotopic compositions most likely resulting from a combination of kinetic ‘vital’ isotope effects that may, sometimes, mimic equilibrium values.
    PublicationChemical Geology
    Volume483
    Pages474-490
    Date2018-4-20
    Langueen
    DOIdoi.org/10.1016/j.chemgeo.2018.03.018
    ISSN0009-2541
    URLhttps://www.sciencedirect.com/science/article/pii/S000925411830130X?via%3Dihub
    Date d'ajout2018-08-13T08:10:49Z
    Modifié le2018-08-13T08:26:03Z


  • González-Wevar, C. A., et al. Unexpected absence of island endemics: Long-distance dispersal in higher latitude sub-Antarctic <i>Siphonaria</i> (Gastropoda: Euthyneura) species. Journal of Biogeography 45, 874-884 (2018).
    itemfields keyMHUL48DA
    Version217
    TypeArticle de revue
    TitreUnexpected absence of island endemics: Long-distance dispersal in higher latitude sub-Antarctic <i>Siphonaria</i> (Gastropoda: Euthyneura) species
    AuteurGonzález-Wevar, Claudio A.
    AuteurSegovia, Nicolás I.
    AuteurRosenfeld, Sebastián
    AuteurOjeda, Jaime
    AuteurHüne, Mathias
    AuteurNaretto, Javier
    AuteurSaucède, Thomas
    AuteurBrickle, Paul
    AuteurMorley, Simon
    AuteurFéral, Jean-Pierre
    AuteurSpencer, Hamish G.
    AuteurPoulin, Elie
    RésuméAim: We assess biogeographical patterns, population structure and the range of species in the pulmonate genus Siphonaria across the sub-Antarctic. We hypothesized that locally endemic cryptic species will be found across the distribution of these direct-developing limpets in the sub-Antarctic. Location: The sub-Antarctic coasts of the Southern Ocean including South America, the Falkland/Malvinas, South Georgia, Kerguelen and Macquarie Islands. Methods: Multi-locus phylogenetic reconstructions, mtDNA time-calibrated divergence time estimations and population-based analyses of Siphonaria populations were used at the scale of the Southern Ocean. Results: We resolve two widely distributed lineages of Siphonaria (S. lateralis and S. fuegiensis) across the sub-Antarctic. MtDNA divergence time estimates suggest that they were separated around 4.0 Ma (3.0 to 8.0 Ma). Subsequently both species followed different evolutionary pathways across their distributions. Low levels of genetic diversity characterize the populations of both species, reflecting the role of Quaternary glacial cycles during their respective demographic histories, suggesting high levels of dispersal among geographically distant localities. Main conclusions: Siphonaria lateralis and S. fuegiensis constitute sister and broadly co-distributed species across the sub-Antarctic. Unexpected transoceanic similarities and low levels of genetic diversity in both these direct-developing species imply recurrent recolonization processes through long-distance dispersal to isolated sub-Antarctic islands. For such groups of Southern Ocean invertebrates, rafting may be more effective for long-distance dispersal than a free-living planktotrophic larval stage. This biogeographical model may explain why many marine species lacking a dispersal phase exhibit broad distributions, low genetic diversity and low population structure over thousands of kilometres.
    PublicationJournal of Biogeography
    Volume45
    Numéro4
    Pages874-884
    Date04/2018
    Langueen
    DOI10.1111/jbi.13174
    ISSN03050270
    Titre abrégéUnexpected absence of island endemics
    URLhttp://doi.wiley.com/10.1111/jbi.13174
    Consulté le2018-08-10T15:31:32Z
    Catalogue de bibl.Crossref
    Date d'ajout2018-08-10T15:31:32Z
    Modifié le2018-08-10T15:34:48Z


  • Guillaumot, C., Martin, A., Eléaume, M. & Saucède, T. Methods for improving species distribution models in data-poor areas: example of sub-Antarctic benthic species on the Kerguelen Plateau. Marine Ecology Progress Series 594, 149-164 (2018).
    itemfields keyKITVYLLY
    Version408
    TypeArticle de revue
    TitreMethods for improving species distribution models in data-poor areas: example of sub-Antarctic benthic species on the Kerguelen Plateau
    AuteurGuillaumot, C
    AuteurMartin, A
    AuteurEléaume, M
    AuteurSaucède, T
    PublicationMarine Ecology Progress Series
    Volume594
    Pages149-164
    Date2018-04-26
    Langueen
    DOI10.3354/meps12538
    ISSN0171-8630, 1616-1599
    Titre abrégéMethods for improving species distribution models in data-poor areas
    URLhttp://www.int-res.com/abstracts/meps/v594/p149-164/
    Consulté le2018-09-20T13:27:15Z
    Catalogue de bibl.Crossref
    itemfields collectionsArray
    Date d'ajout2018-09-20T13:27:15Z
    Modifié le2018-09-20T13:27:15Z


  • Guillaumot, C., et al. Benthic species of the Kerguelen Plateau show contrasting distribution shifts in response to environmental changes. Ecology and Evolution 8, 6210-6225 (2018).
    itemfields keyMFI7JUBW
    Version218
    TypeArticle de revue
    TitreBenthic species of the Kerguelen Plateau show contrasting distribution shifts in response to environmental changes
    AuteurGuillaumot, Charlène
    AuteurFabri-Ruiz, Salomé
    AuteurMartin, Alexis
    AuteurEléaume, Marc
    AuteurDanis, Bruno
    AuteurFéral, Jean-Pierre
    AuteurSaucède, Thomas
    RésuméMarine life of the Southern Ocean has been facing environmental changes and the direct impact of human activities during the past decades. Benthic communities have particularly been affected by such changes although we only slowly understand the effect of environmental changes on species physiology, biogeography, and distribution. Species distribution models (SDM) can help explore species geographic responses to main environmental changes. In this work, we modeled the distribution of four echinoid species with contrasting ecological niches. Models developed for [2005–2012] were projected to different time periods, and the magnitude of distribution range shifts was assessed for recent-past conditions [1955–1974] and for the future, under scenario RCP 8.5 for [2050–2099]. Our results suggest that species distribution shifts are expected to be more important in a near future compared to the past. The geographic response of species may vary between poleward shift, latitudinal reduction, and local extinction. Species with broad ecological niches and not limited by biogeographic barriers would be the least affected by environmental changes, in contrast to endemic species, restricted to coastal areas, which are predicted to be more sensitive.
    PublicationEcology and Evolution
    Volume8
    Numéro12
    Pages6210-6225
    Date06/2018
    Langueen
    DOI10.1002/ece3.4091
    ISSN20457758
    URLhttp://doi.wiley.com/10.1002/ece3.4091
    Consulté le2018-08-10T15:34:56Z
    Catalogue de bibl.Crossref
    Date d'ajout2018-08-10T15:34:56Z
    Modifié le2018-08-10T15:38:05Z


  • Hogg, O. T., Huvenne, V. A. I., Griffiths, H. J. & Linse, K. On the ecological relevance of landscape mapping and its application in the spatial planning of very large marine protected areas. Science of The Total Environment 626, 384-398 (2018).
    itemfields keyJTF3QP7G
    Version266
    TypeArticle de revue
    TitreOn the ecological relevance of landscape mapping and its application in the spatial planning of very large marine protected areas
    AuteurHogg, Oliver T.
    AuteurHuvenne, Veerle A.I.
    AuteurGriffiths, Huw J.
    AuteurLinse, Katrin
    PublicationScience of The Total Environment
    Volume626
    Pages384-398
    Date06/2018
    Langueen
    DOI10.1016/j.scitotenv.2018.01.009
    ISSN00489697
    URLhttps://linkinghub.elsevier.com/retrieve/pii/S0048969718300093
    Consulté le2018-08-18T21:43:11Z
    Catalogue de bibl.Crossref
    itemfields collectionsArray
    Date d'ajout2018-08-18T21:43:11Z
    Modifié le2018-08-18T21:43:11Z


  • Leihy, R. I., Duffy, G. A., Nortje, E. & Chown, S. L. High resolution temperature data for ecological research and management on the Southern Ocean Islands. Scientific Data 5, 180177 (2018).
    itemfields key8J85IBXK
    Version372
    TypeArticle de revue
    TitreHigh resolution temperature data for ecological research and management on the Southern Ocean Islands
    AuteurLeihy, Rachel I.
    AuteurDuffy, Grant A.
    AuteurNortje, Erika
    AuteurChown, Steven L.
    PublicationScientific Data
    Volume5
    Pages180177
    Date2018-9-4
    DOI10.1038/sdata.2018.177
    ISSN2052-4463
    URLhttp://www.nature.com/articles/sdata2018177
    Consulté le2018-09-20T08:06:19Z
    Catalogue de bibl.Crossref
    itemfields collectionsArray
    Date d'ajout2018-09-20T08:06:19Z
    Modifié le2018-09-20T08:06:19Z


  • Putman, N. F. Waves of invasion. Nature Climate Change 8, 665-667 (2018).
    itemfields keyWQS8QLQS
    Version373
    TypeArticle de revue
    TitreWaves of invasion
    AuteurPutman, Nathan F.
    PublicationNature Climate Change
    Volume8
    Numéro8
    Pages665-667
    Date8/2018
    Langueen
    DOI10.1038/s41558-018-0233-7
    ISSN1758-678X, 1758-6798
    URLhttp://www.nature.com/articles/s41558-018-0233-7
    Consulté le2018-09-20T08:14:00Z
    Catalogue de bibl.Crossref
    Date d'ajout2018-09-20T08:14:00Z
    Modifié le2018-09-20T08:14:00Z


  • Ryu, T., Veilleux, H. D., Donelson, J. M., Munday, P. L. & Ravasi, T. The epigenetic landscape of transgenerational acclimation to ocean warming. Nature Climate Change 8, 504-509 (2018).
    itemfields keyI7QNNWLC
    Version191
    TypeArticle de revue
    TitreThe epigenetic landscape of transgenerational acclimation to ocean warming
    AuteurRyu, Taewoo
    AuteurVeilleux, Heather D.
    AuteurDonelson, Jennifer M.
    AuteurMunday, Philip L.
    AuteurRavasi, Timothy
    RésuméEpigenetic inheritance is a potential mechanism by which the environment in one generation can influence the performance of future generations 1 . Rapid climate change threatens the survival of many organisms; however, recent studies show that some species can adjust to climate-related stress when both parents and their offspring experience the same environmental change2,3. Whether such transgenerational acclimation could have an epigenetic basis is unknown. Here, by sequencing the liver genome, methylomes and transcriptomes of the coral reef fish, Acanthochromis polyacanthus, exposed to current day (+0 °C) or future ocean temperatures (+3 °C) for one generation, two generations and incrementally across generations, we identified 2,467 differentially methylated regions (DMRs) and 1,870 associated genes that respond to higher temperatures within and between generations. Of these genes, 193 were significantly correlated to the transgenerationally acclimating phenotypic trait, aerobic scope, with functions in insulin response, energy homeostasis, mitochondrial activity, oxygen consumption and angiogenesis. These genes may therefore play a key role in restoring performance across generations in fish exposed to increased temperatures associated with climate change. Our study is the first to demonstrate a possible association between DNA methylation and transgenerational acclimation to climate change in a vertebrate.
    PublicationNature Climate Change
    Volume8
    Numéro6
    Pages504-509
    Datejuin 1, 2018
    Abrév. de revueNature Climate Change
    DOI10.1038/s41558-018-0159-0
    ISSN1758-6798
    URLhttps://doi.org/10.1038/s41558-018-0159-0
    Date d'ajout2018-06-18T11:06:29Z
    Modifié le2018-06-18T11:06:29Z


  • Wilson, D. J., et al. Ice loss from the East Antarctic Ice Sheet during late Pleistocene interglacials. Nature 561, 383-386 (2018).
    itemfields key9MVLFAUQ
    Version368
    TypeArticle de revue
    TitreIce loss from the East Antarctic Ice Sheet during late Pleistocene interglacials
    AuteurWilson, David J.
    AuteurBertram, Rachel A.
    AuteurNeedham, Emma F.
    Auteurvan de Flierdt, Tina
    AuteurWelsh, Kevin J.
    AuteurMcKay, Robert M.
    AuteurMazumder, Anannya
    AuteurRiesselman, Christina R.
    AuteurJimenez-Espejo, Francisco J.
    AuteurEscutia, Carlota
    RésuméUnderstanding ice sheet behaviour in the geological past is essential for evaluating the role of the cryosphere in the climate system and for projecting rates and magnitudes of sea level rise in future warming scenarios1–4. Although both geological data5–7 and ice sheet models3,8 indicate that marine-based sectors of the East Antarctic Ice Sheet were unstable during Pliocene warm intervals, the ice sheet dynamics during late Pleistocene interglacial intervals are highly uncertain3,9,10. Here we provide evidence from marine sedimentological and geochemical records for ice margin retreat or thinning in the vicinity of the Wilkes Subglacial Basin of East Antarctica during warm late Pleistocene interglacial intervals. The most extreme changes in sediment provenance, recording changes in the locus of glacial erosion, occurred during marine isotope stages 5, 9, and 11, when Antarctic air temperatures11 were at least two degrees Celsius warmer than pre-industrial temperatures for 2,500 years or more. Hence, our study indicates a close link between extended Antarctic warmth and ice loss from the Wilkes Subglacial Basin, providing ice-proximal data to support a contribution to sea level from a reduced East Antarctic Ice Sheet during warm interglacial intervals. While the behaviour of other regions of the East Antarctic Ice Sheet remains to be assessed, it appears that modest future warming may be sufficient to cause ice loss from the Wilkes Subglacial Basin.
    PublicationNature
    Volume561
    Numéro7723
    Pages383-386
    Date9/2018
    Langueen
    DOI10.1038/s41586-018-0501-8
    ISSN0028-0836, 1476-4687
    URLhttp://www.nature.com/articles/s41586-018-0501-8
    Consulté le2018-09-20T07:28:39Z
    Catalogue de bibl.Crossref
    itemfields collectionsArray
    Date d'ajout2018-09-20T07:28:39Z
    Modifié le2018-09-20T07:30:49Z

2017


  • Cabessut, M. Etude des réseaux trophiques dans les environnements côtiers des Iles Kerguelen : analyse des régimes alimentaires d’espèces d’oursins et de leur plasticité trophique à l’aide de traceurs isotopiques (δ13C, δ15N, δ34S). (2017).à
    itemfields keyBHQDBKRU
    Version356
    TypeThèse
    TitreEtude des réseaux trophiques dans les environnements côtiers des Iles Kerguelen : analyse des régimes alimentaires d’espèces d’oursins et de leur plasticité trophique à l’aide de traceurs isotopiques (δ13C, δ15N, δ34S).
    AuteurCabessut, Marie
    TypeRapport Master 1
    UniversitéDijon
    Date2017
    URLhttp://www.proteker.net/IMG/pdf/2017_cabessut_master_1__etude_des_reseaux_trophiques_dans_les_environnements_cotiers_des_iles_kerguelen_analyse_des_regimes_alimentaires_d_especes_d_oursins_et_de_leur_plasticite_trophique_a_l_aide_de_traceurs_isotop.pdf
    itemfields collectionsArray
    Date d'ajout2018-08-23T06:37:17Z
    Modifié le2018-08-26T17:57:45Z

  • Charpentier, A. Etude du Réseau trophique benthique de la baie de Port-aux-Français aux Iles Kerguelen. (2017).à
    itemfields keyQEXH93ZS
    Version355
    TypeThèse
    TitreEtude du Réseau trophique benthique de la baie de Port-aux-Français aux Iles Kerguelen.
    AuteurCharpentier, Anouk
    TypeRapport Master 2
    UniversitéMarseille
    Date2017
    URLhttp://www.proteker.net/IMG/pdf/2018_charpentier_master_2_etude_du_reseau_trophique_benthique_de_la_baie_de_port-aux-francais_aux_iles_kerguelen.pdf
    itemfields collectionsArray
    Date d'ajout2018-08-23T06:39:50Z
    Modifié le2018-08-26T17:55:19Z


  • Fabri-Ruiz, S., Saucède, T., Danis, B. & David, B. Southern Ocean Echinoids database – An updated version of Antarctic, Sub-Antarctic and cold temperate echinoid database. ZooKeys 697, 1-20 (2017).
    itemfields keyL7A3GKNR
    Version379
    TypeArticle de revue
    TitreSouthern Ocean Echinoids database – An updated version of Antarctic, Sub-Antarctic and cold temperate echinoid database
    AuteurFabri-Ruiz, Salomé
    AuteurSaucède, Thomas
    AuteurDanis, Bruno
    AuteurDavid, Bruno
    PublicationZooKeys
    Volume697
    Pages1-20
    Date2017-09-14
    DOI10.3897/zookeys.697.14746
    ISSN1313-2970, 1313-2989
    URLhttps://zookeys.pensoft.net/articles.php?id=14746
    Consulté le2018-09-20T09:28:20Z
    Catalogue de bibl.Crossref
    Date d'ajout2018-09-20T09:28:20Z
    Modifié le2018-09-20T09:28:20Z


  • Giron-Nava, A., et al. Quantitative argument for long-term ecological monitoring. Marine Ecology Progress Series 572, 269-274 (2017).
    itemfields key7WT3H45I
    Version165
    TypeArticle de revue
    TitreQuantitative argument for long-term ecological monitoring
    AuteurGiron-Nava, A
    AuteurJames, Cc
    AuteurJohnson, Af
    AuteurDannecker, D
    AuteurKolody, B
    AuteurLee, A
    AuteurNagarkar, M
    AuteurPao, Gm
    AuteurYe, H
    AuteurJohns, Dg
    AuteurSugihara, G
    RésuméAlthough it seems obvious that with more data, the predictive capacity of ecological models should improve, a way to demonstrate this fundamental result has not been so obvious. In particular, when the standard models themselves are inadequate (von Bertalanffy, extended Ricker etc.) no additional data will improve performance. By using time series from the Sir Alister Hardy Foundation for Ocean Science Continuous Plankton Recorder, we demonstrate that longterm observations reveal both the prevalence of nonlinear processes in species abundances and an improvement in out-of-sample predictability as the number of observations increase. The empirical results presented here quantitatively demonstrate the importance of long-term temporal data collection programs for improving ecosystem models and forecasts, and to better support environmental management actions.
    PublicationMarine Ecology Progress Series
    Volume572
    Pages269-274
    Date2017-05-31
    LangueEnglish
    DOI10.3354/meps12149
    ISSN0171-8630, 1616-1599
    URLhttp://www.int-res.com/abstracts/meps/v572/p269-274/
    Consulté le2017-06-06T00:16:43Z
    Catalogue de bibl.CrossRef
    Date d'ajout2017-06-06T00:16:43Z
    Modifié le2017-06-06T00:18:29Z


  • González-Wevar, C. A., et al. Following the Antarctic Circumpolar Current: patterns and processes in the biogeography of the limpet <i>Nacella</i> (Mollusca: Patellogastropoda) across the Southern Ocean. Journal of Biogeography 44, 861-874 (2017).
    itemfields keyBSW6P8F5
    Version184
    TypeArticle de revue
    TitreFollowing the Antarctic Circumpolar Current: patterns and processes in the biogeography of the limpet <i>Nacella</i> (Mollusca: Patellogastropoda) across the Southern Ocean
    AuteurGonzález-Wevar, Claudio A.
    AuteurHüne, Mathias
    AuteurSegovia, Nicolas I.
    AuteurNakano, Tomoyuki
    AuteurSpencer, Hamish G.
    AuteurChown, Steven L.
    AuteurSaucède, Thomas
    AuteurJohnstone, Glenn
    AuteurMansilla, Andrés
    AuteurPoulin, Elie
    RésuméWe use an integrative biogeographical approach to further understand the evolution of an important Southern Ocean marine benthic element, the limpet genus Nacella (Mollusca: Patellogastropoda). Southern Ocean. We used multi-locus time-calibrated phylogeny of Nacella at the scale of the whole Southern Ocean to elucidate the underlying processes involved in the origin and diversification of the genus. Divergence-time estimates suggest that soon after its origin during the mid-Miocene (c. 12.5 Ma), Nacella separated into two main lineages currently distributed in (1) South America and (2) Antarctica and the sub-Antarctic islands. We identified two pulses of diversification, during the late Miocene (8 to 5.5 Ma) and the Pleistocene (< 1 Ma). Major periods of climatic and oceanographical change strongly affected the biogeography of Nacella and demonstrate both the long- and short-term influence of the Antarctic Circumpolar Current across the Southern Ocean. Our analyses support the validity of all currently recognized Nacella species and reveal a new South-American lineage. This work constitutes the most detailed molecular-based study of an ecologically important, near-shore invertebrate Southern Ocean group and in so doing contributes to the improved understanding of the underlying patterns and processes in the origin and diversification of marine benthic fauna across this globally important region.
    PublicationJournal of Biogeography
    Volume44
    Numéro4
    Pages861-874
    Date04/2017
    Langueen
    DOI10.1111/jbi.12908
    ISSN03050270
    Titre abrégéFollowing the Antarctic Circumpolar Current
    URLhttp://doi.wiley.com/10.1111/jbi.12908
    Consulté le2017-10-27T11:35:47Z
    Catalogue de bibl.CrossRef
    Date d'ajout2017-10-27T11:35:47Z
    Modifié le2017-10-27T11:36:23Z

  • Guillaumot, C. Hétérogénéités spatiales, temporelles et efforts d’échantillonnage : influence sur la modélisation de distribution d’espèces. Le cas d’étude des échinides du plateau des Kerguelen. (2017).à
    itemfields keyJA4JXDDB
    Version355
    TypeThèse
    TitreHétérogénéités spatiales, temporelles et efforts d’échantillonnage : influence sur la modélisation de distribution d’espèces. Le cas d’étude des échinides du plateau des Kerguelen.
    AuteurGuillaumot, Charlène
    TypeRapport Master 2
    UniversitéBrest
    LieuDijon
    Date2017
    URLhttp://www.proteker.net/IMG/pdf/2017_guillaumot_master_2_heterogeneites_spatiales_temporelles_et_efforts_d_echantillonnage_influence_sur_la_modelisation_de_distribution_d_especes._le_cas_d_etude_des_echinides_du_plateau_des_kerguelen.comp.pdf
    itemfields collectionsArray
    Date d'ajout2018-08-23T06:38:05Z
    Modifié le2018-08-26T17:56:11Z


  • Martinez, M. I. & Penchaszadeh, P. E. A new species of brooding Psolidae (Echinodermata: Holothuroidea) from deep-sea off Argentina, Southwestern Atlantic Ocean. Deep Sea Research Part II: Topical Studies in Oceanography 146, 13-17 (2017).
    itemfields keyDVDC8532
    Version212
    TypeArticle de revue
    TitreA new species of brooding Psolidae (Echinodermata: Holothuroidea) from deep-sea off Argentina, Southwestern Atlantic Ocean
    AuteurMartinez, Mariano I.
    AuteurPenchaszadeh, Pablo E.
    RésuméThis paper describes a new species of Psolus (Holothuroidea, Echinodermata), P. lawrencei sp. nov., (19 specimens) found in the deep sea (308–1398 m) in the Southwestern Atlantic Ocean (SWAO) (around 38°S–54°W) with brooders (up to 3.15 mm) in the tentacles of females and a penis-like genital papilla on males. The presence of dorsal scales, the concave shape of the ossicles with a bridge, the distribution of podia on the dorsal side and the absence of large and conspicuous oral and anal valves are unique for this species. Furthermore, this is the first species of this genus found outside Antarctica that broods between its tentacles. The paper also reviews the reproductive, brooding development and morphological characteristics of P. lawrencei sp. nov. and compares them with those of several members of the family Psolidae. Finally, a possible connectivity between the deep-sea populations in the SWAO and in Antarctica is considered based on the appearance of a similar reproductive pattern in populations found in both areas, which suggests a past or present connection between these regions.
    PublicationDeep Sea Research Part II: Topical Studies in Oceanography
    Volume146
    Pages13-17
    Date2017
    Abrév. de revueDeep Sea Research Part II: Topical Studies in Oceanography
    DOI10.1016/j.dsr2.2017.05.007
    ISSN0967-0645
    Titre abrégéA new species of brooding Psolidae (Echinodermata
    URLhttp://www.sciencedirect.com/science/article/pii/S0967064517301790
    Consulté le2017-06-10T09:56:16Z
    Catalogue de bibl.ScienceDirect
    MarqueursAntarctica · Brooding · Deep-sea · Psolus · Psolus lawrencei sp.nov.
    Date d'ajout2017-06-10T09:56:16Z
    Modifié le2018-08-10T13:58:14Z


  • Maturana, C. S., et al. Mating system and evidence of multiple paternity in the Antarctic brooding sea urchin Abatus agassizii. Polar Biology 40, 787-797 (2017).
    itemfields keyUY6I5BD9
    Version220
    TypeArticle de revue
    TitreMating system and evidence of multiple paternity in the Antarctic brooding sea urchin Abatus agassizii
    AuteurMaturana, Claudia S.
    AuteurGérard, Karin
    AuteurDíaz, Angie
    AuteurDavid, Bruno
    AuteurFéral, Jean-Pierre
    AuteurPoulin, Elie
    RésuméBroadcasting is the predominant spawning behavior among benthic marine invertebrates, mainly associated with planktotrophic and planktonic lecitotrophic development. Broadcasting allows genetic mixing that should contribute to increase the genetic diversity of a female clutch. Conversely, in brooding species characterized by protected development, oocytes are retained and only sperm is released, which is supposed to limit the number of males that contribute to a female clutch. This spermcasting behavior together with egg retention, unusually frequent among Antarctic marine invertebrates, putatively give brooders low dispersal capacities which may reduce genetic mixing and generate genetic and kinship structure at a small spatial scale. Like many other Antarctic marine benthic invertebrates, the irregular sea urchin Abatus agassizii is a spermcaster that broods its young. In this study, we assessed the genetic diversity among 66 adults using 6 polymorphic microsatellite loci and performed progeny array analyses in order to evaluate the number of mates per female as well as genetic structure at a small spatial scale. A. agassizii exhibited a polyandric system with 2–5 mates per female regardless of population density. Bayesian analyses suggested the absence of genetic structure along our 20-m transect, while relatedness among individuals did not differ from that expected under panmixia. Finally, we conclude that a limited number of males contribute to a female clutch, probably as a consequence of limited sperm dispersal and that movement of adults may be sufficient to avoid kinship structure in the population.
    PublicationPolar Biology
    Volume40
    Numéro4
    Pages787-797
    Date4/2017
    Langueen
    DOI10.1007/s00300-016-2001-3
    ISSN0722-4060, 1432-2056
    URLhttp://link.springer.com/10.1007/s00300-016-2001-3
    Consulté le2018-08-10T15:38:42Z
    Catalogue de bibl.Crossref
    Date d'ajout2018-08-10T15:38:42Z
    Modifié le2018-08-10T15:42:20Z


  • Montgomery, E. M., Hamel, J. - F. & Mercier, A.Advances in Marine Biology 76, 41-104 (Elsevier, 2017).
    itemfields keyMBRMWUAT
    Version400
    TypeChapitre de livre
    TitrePatterns and Drivers of Egg Pigment Intensity and Colour Diversity in the Ocean: A Meta-Analysis of Phylum Echinodermata
    AuteurMontgomery, E.M.
    AuteurHamel, J.-F.
    AuteurMercier, A.
    Titre du livreAdvances in Marine Biology
    Volume76
    ÉditeurElsevier
    Date2017
    Pages41-104
    Langueen
    ISBN978-0-12-812401-7
    URLhttps://linkinghub.elsevier.com/retrieve/pii/S0065288116300347
    Consulté le2018-09-20T11:11:37Z
    Catalogue de bibl.Crossref
    ExtraDOI: 10.1016/bs.amb.2016.10.001
    Date d'ajout2018-09-20T11:11:37Z
    Modifié le2018-09-20T11:13:44Z


  • Moreau, C., et al. Reproductive strategy as a piece of the biogeographic puzzle: a case study using Antarctic sea stars (Echinodermata, Asteroidea). Journal of Biogeography 44, 848-860 (2017).
    itemfields keyLIQEVIZ4
    Version190
    TypeArticle de revue
    TitreReproductive strategy as a piece of the biogeographic puzzle: a case study using Antarctic sea stars (Echinodermata, Asteroidea)
    AuteurMoreau, Camille
    AuteurSaucède, Thomas
    AuteurJossart, Quentin
    AuteurAgüera, Antonio
    AuteurBrayard, Arnaud
    AuteurDanis, Bruno
    PublicationJournal of Biogeography
    Volume44
    Numéro4
    Pages848-860
    Date04/2017
    Langueen
    DOI10.1111/jbi.12965
    ISSN03050270
    Titre abrégéReproductive strategy as a piece of the biogeographic puzzle
    URLhttp://doi.wiley.com/10.1111/jbi.12965
    Consulté le2018-04-05T10:56:21Z
    Catalogue de bibl.CrossRef
    Date d'ajout2018-04-05T10:56:21Z
    Modifié le2018-04-05T10:56:21Z


  • Pizarro, O., Friedman, A., Bryson, M., Williams, S. B. & Madin, J. A simple, fast, and repeatable survey method for underwater visual 3D benthic mapping and monitoring. Ecology and Evolution (2017).doi:10.1002/ece3.2701
    itemfields keyE79CPX5F
    Version47
    TypeArticle de revue
    TitreA simple, fast, and repeatable survey method for underwater visual 3D benthic mapping and monitoring
    AuteurPizarro, Oscar
    AuteurFriedman, Ariell
    AuteurBryson, Mitch
    AuteurWilliams, Stefan B.
    AuteurMadin, Joshua
    PublicationEcology and Evolution
    Datejanvier 2017
    DOI10.1002/ece3.2701
    URLhttp://doi.wiley.com/10.1002/ece3.2701
    Marqueurs3D reconstruction · benthic survey · monitoring · mosaic · repeatable survey
    itemfields collectionsArray
    Date d'ajout2017-05-05T09:50:24Z
    Modifié le2017-05-05T15:47:50Z


  • Sweetman, A. K., et al. Major impacts of climate change on deep-sea benthic ecosystems. Elem Sci Anth 5, 4 (2017).
    itemfields keyBEAJ8RKX
    Version255
    TypeArticle de revue
    TitreMajor impacts of climate change on deep-sea benthic ecosystems
    AuteurSweetman, Andrew K.
    AuteurThurber, Andrew R.
    AuteurSmith, Craig R.
    AuteurLevin, Lisa A.
    AuteurMora, Camilo
    AuteurWei, Chih-Lin
    AuteurGooday, Andrew J.
    AuteurJones, Daniel O. B.
    AuteurRex, Michael
    AuteurYasuhara, Moriaki
    AuteurIngels, Jeroen
    AuteurRuhl, Henry A.
    AuteurFrieder, Christina A.
    AuteurDanovaro, Roberto
    AuteurWürzberg, Laura
    AuteurBaco, Amy
    AuteurGrupe, Benjamin M.
    AuteurPasulka, Alexis
    AuteurMeyer, Kirstin S.
    AuteurDunlop, Katherine M.
    AuteurHenry, Lea-Anne
    AuteurRoberts, J. Murray
    PublicationElem Sci Anth
    Volume5
    Pages4
    Date2017-02-23
    DOI10.1525/elementa.203
    ISSN2325-1026
    URLhttp://www.elementascience.org/article/10.1525/elementa.203/
    Consulté le2018-08-18T21:00:38Z
    Catalogue de bibl.Crossref
    itemfields collectionsArray
    Date d'ajout2018-08-18T21:04:18Z
    Modifié le2018-08-18T21:04:18Z

  • Trouslard, E. Ecorégionalisation et caractérisation des enjeux de conservation des habitats benthiques marins du plateau de Kerguelen. (2017).à
    itemfields key9Q6ZP4QA
    Version355
    TypeThèse
    TitreEcorégionalisation et caractérisation des enjeux de conservation des habitats benthiques marins du plateau de Kerguelen.
    AuteurTrouslard, Emmanuelle
    TypeRapport Master 2
    UniversitéDijon
    Date2017
    URLhttp://www.proteker.net/IMG/pdf/2017_trouslard_master_2_ecoregionalisation_et_caracterisation_des_enjeux_de_conservation_des_habitats_benthiques_marins_du_plateau_de_kerguelen.pdf
    itemfields collectionsArray
    Date d'ajout2018-08-23T06:39:03Z
    Modifié le2018-08-26T17:56:50Z

2016


  • Bazin, A. Intérêt de l’étude des signatures isotopiques δ13C et δ15N pour la caractérisation de la sensibilité d’espèces confrontées aux changements environnementaux. (2016).à
    itemfields key3IUTXHTD
    Version355
    TypeThèse
    TitreIntérêt de l’étude des signatures isotopiques δ13C et δ15N pour la caractérisation de la sensibilité d’espèces confrontées aux changements environnementaux.
    AuteurBazin, Alexis
    TypeRapport Master 2
    UniversitéDijon
    Date2016
    URLhttp://www.proteker.net/IMG/pdf/2016_bazin_master_2__interet_de_l_etude_des_signatures_isotopiques_13c_et_15n_pour_la_caracterisation_de_la_sensibilite_d_especes_confrontees_aux_changements_environnementaux.pdf
    itemfields collectionsArray
    Date d'ajout2018-08-23T06:35:03Z
    Modifié le2018-08-26T17:55:02Z


  • Byrne, M., Gall, M., Wolfe, K. & Agüera, A. From pole to pole: the potential for the Arctic seastar Asterias amurensis to invade a warming Southern Ocean. Global Change Biology n/a-n/a (2016).doi:10.1111/gcb.13304
    itemfields keyV48V83WU
    Version47
    TypeArticle de revue
    TitreFrom pole to pole: the potential for the Arctic seastar Asterias amurensis to invade a warming Southern Ocean
    AuteurByrne, Maria
    AuteurGall, Mailie
    AuteurWolfe, Kennedy
    AuteurAgüera, Antonio
    RésuméDue to climatic warming, Asterias amurensis, a keystone boreal predatory seastar that has established extensive invasive populations in southern Australia, is a potential high-risk invader of the sub-Antarctic and Antarctic. To assess the potential range expansion of A. amurensis to the Southern Ocean as it warms, we investigated the bioclimatic envelope of the adult and larval life stages. We analysed the distribution of adult A. amurensis with respect to present- day and future climate scenarios using habitat temperature data to construct species distribution models (SDMs). To integrate the physiological response of the dispersive phase, we determined the thermal envelope of larval development to assess their performance in present-day and future thermal regimes and the potential for success of A. amurensis in poleward latitudes. The SDM indicated that the thermal ‘niche’ of the adult stage correlates with a 0–17 °C and 1–22.5 °C range, in winter and summer, respectively. As the ocean warms, the range of A. amurensis in Australia will contract, while more southern latitudes will have conditions favourable for range expansion. Successful fertilization occurred from 3 to 23.8 °C. By day 12, development to the early larval stage was successful from 5.5 to 18 °C. Although embryos were able to reach the blastula stage at 2 °C, they had arrested development and high mortality. The optimal thermal range for survival of pelagic stages was 3.5–19.2 °C with a lower and upper critical limit of 2.6 and 20.3 °C, respectively. Our data predict that A. amurensis faces demise in its current invasive range while more favourable conditions at higher latitudes would facilitate invasion of both larval and adult stages to the Southern Ocean. Our results show that vigilance is needed to reduce the risk that this ecologically important Arctic carnivore may invade the Southern Ocean and Antarctica.
    PublicationGlobal Change Biology
    Pagesn/a-n/a
    Datemars 2016
    DOI10.1111/gcb.13304
    URLhttp://doi.wiley.com/10.1111/gcb.13304
    MarqueursAntarctica · asteroid · climate change · introduced species · larva · ocean warming · southern migration · thermal tolerance
    Date d'ajout2017-05-05T09:50:24Z
    Modifié le2017-05-05T15:47:50Z


  • Favier, V., et al. Atmospheric drying as the main driver of dramatic glacier wastage in the southern Indian Ocean. Scientific Reports 6, (2016).
    itemfields key2KR76SNX
    Version370
    TypeArticle de revue
    TitreAtmospheric drying as the main driver of dramatic glacier wastage in the southern Indian Ocean
    AuteurFavier, V.
    AuteurVerfaillie, D.
    AuteurBerthier, E.
    AuteurMenegoz, M.
    AuteurJomelli, V.
    AuteurKay, J. E.
    AuteurDucret, L.
    AuteurMalbéteau, Y.
    AuteurBrunstein, D.
    AuteurGallée, H.
    AuteurPark, Y.-H.
    AuteurRinterknecht, V.
    RésuméThe ongoing retreat of glaciers at southern sub-polar latitudes is particularly rapid and widespread. Akin to northern sub-polar latitudes, this retreat is generally assumed to be linked to warming. However, no long-term and well-constrained glacier modeling has ever been performed to confirm this hypothesis. Here, we model the Cook Ice Cap mass balance on the Kerguelen Islands (Southern Indian Ocean, 49°S) since the 1850s. We show that glacier wastage during the 2000s in the Kerguelen was among the most dramatic on Earth. We attribute 77% of the increasingly negative mass balance since the 1960s to atmospheric drying associated with a poleward shift of the mid-latitude storm track. Because precipitation modeling is very challenging for the current generation of climate models over the study area, models incorrectly simulate the climate drivers behind the recent glacier wastage in the Kerguelen. This suggests that future glacier wastage projections should be considered cautiously where changes in atmospheric circulation are expected.
    PublicationScientific Reports
    Volume6
    Numéro1
    Date10/2016
    Langueen
    DOI10.1038/srep32396
    ISSN2045-2322
    URLhttp://www.nature.com/articles/srep32396
    Consulté le2018-09-20T07:36:53Z
    Catalogue de bibl.Crossref
    itemfields collectionsArray
    Date d'ajout2018-09-20T07:36:53Z
    Modifié le2018-09-20T07:54:37Z
  • Féral, J. - P., et al. Kerguelen, un archipel sous haute surveillance. Espèces, Revue d'histoire naturelle 21, 33-39 (2016).
    itemfields keyNZUG2RVH
    Version104
    TypeArticle de revue
    TitreKerguelen, un archipel sous haute surveillance
    AuteurFéral, Jean-Pierre
    AuteurBeurier, Jean-Pierre
    AuteurMarschal, Christian
    AuteurMarty, Gilles
    AuteurMotreuil, Sébastien
    AuteurPoulin, Elie
    AuteurRoca, Jean-Claude
    AuteurSaucède, Thomas
    RésuméAvec ses côtes découpées et sans cesse battues par les vents, les Kerguelen sont restées longtemps inaccessibles aux biologistes marins. Si sa situation géographique et son isolement exceptionnels rendent cet archipel particulièrement vulnérable aux changements climatiques, ils en font aussi un laboratoire idéal pour en étudier les effets…
    PublicationEspèces, Revue d'histoire naturelle
    Volume21
    Pages33-39
    Date2016
    LangueFrançais
    URL
    itemfields collectionsArray
    itemfields relationsArray
    Date d'ajout2017-05-08T09:29:23Z
    Modifié le2017-05-08T09:29:23Z

  • Féral, J. - P., Saucède, T. & Améziane, N. PROTEKER phase 1: l’installation. Un observatoire sous-marin des effets du changement global sur les communautés benthiques côtières de l’Archipel des Kerguelen. 28-35 (IPEV - French Polar Institute, 2016).à
    itemfields keyS9CSBF4J
    Version104
    TypeRapport
    TitrePROTEKER phase 1: l’installation. Un observatoire sous-marin des effets du changement global sur les communautés benthiques côtières de l’Archipel des Kerguelen
    AuteurFéral, Jean-Pierre
    AuteurSaucède, Thomas
    AuteurAméziane, Nadia
    RésuméIn the current context of climate change, sea level variations and the alteration of marine biodiversity are expected to impact marine ecosystems of the sub-Antarctic Islands and coastal areas in particular. Coastal marine areas of the Kerguelen Islands investigated during previous oceanographic programs were revisited during three scientific summer campaigns of the trawler La Curieuse. Eighteen sites were explored by scuba diving, by using a small beam trawl and with a ROV. Eight sites were selected and equipped with sensors and settlement plots for monitoring physical parameters and colonization dynamics. Some species for which the genetic structure is known were selected for genetic monitoring and determining the most sensitivity areas. The whole system will bring conservation managers the scientific grounds for determining how coastal zones should be protected and managed. PROTEKER makes part of a larger observatory network of the Southern Ocean: it has joined the French INEE Zone Atelier Antarctique et subantarctique and the SCAR International Action Groups ANTOS [Antarctic Near-shore and Terrestrial Observing System] and ISSA [Integrated Science for the Sub-Antarctic]. ///// Dans le contexte actuel de changement climatique, les variations du niveau de la mer et de la biodiversité marine auront une incidence sur les écosystèmes marins des îles subantarctiques, en particulier dans les eaux côtières. Des sites explorés au cours des programmes marins passés autour des Kerguelen ont été revisités lors de 3 campagnes d'été de La Curieuse. 18 sites ont été explorés en plongée, à l'aide d'un chalut à perche et d’un ROV. 8 d'entre eux ont été choisis et équipés de capteurs et de placettes de colonisation pour suivre les paramètres physiques de l’environnement et la dynamique de peuplement. Certaines espèces, dont la structure génétique est connue, ont été sélectionnées pour un suivi génétique et la détermination de zones sensibles. L'ensemble apportera aussi les bases scientifiques à la détermination des zones côtières à protéger et à gérer. PROTEKER fait partie d’un plus vaste réseau d’observation à l’échelle de l’océan Austral : il a rejoint la Zone Atelier Antarctique et subantarctique de l’Institut écologie et environnement du CNRS (INEE) et les groupes d’action internationaux ANTOS [Antarctic Near-shore and Terrestrial Observing System] et ISSA [Integrated Science for the Sub-Antarctic] du SCAR.
    Type de rapportRapport d’activité, Campagne d’été 2015-2016 incluse
    LieuBrest
    InstitutionIPEV - French Polar Institute
    Date2016
    Pages28-35
    LangueFrançais
    Titre abrégéPROTEKER phase 1
    URLhttps://doi.org/10.13140/RG.2.2.32380.13448
    Consulté le2017-05-08T09:18:37Z
    Catalogue de bibl.DataCite
    itemfields collectionsArray
    itemfields relationsArray
    Date d'ajout2017-05-08T09:29:29Z
    Modifié le2017-05-08T09:29:29Z


  • Féral, J. - P., et al. PROTEKER: implementation of a submarine observatory at the Kerguelen Islands (Southern Ocean). Underwater Technology 34, 1-8 (2016).
    itemfields keyRUU245FS
    Version106
    TypeArticle de revue
    TitrePROTEKER: implementation of a submarine observatory at the Kerguelen Islands (Southern Ocean)
    AuteurFéral, Jean-Pierre
    AuteurSaucède, Thomas
    AuteurPoulin, Elie
    AuteurMarschal, Christian
    AuteurMarty, Gilles
    AuteurRoca, Jean-Claude
    AuteurMotreuil, Sébastien
    AuteurBeurier, Jean-Pierre
    RésuméIn the context of global climate change, variations in sea surface temperature, sea level change and latitudinal shifts of oceanographic currents are expected to affect marine biodiversity of the sub-Antarctic islands located near the polar front, such as the Kerguelen Islands, particularly in coastal waters. Sampling sites of previous oceanographic programmes focused on the Kerguelen Islands were revisited during three scientific summer cruises aboard the trawler La Curieuse (2011–2014). Among 18 coastal sites explored using scuba diving, 8 were selected for monitoring, as representative of the Kerguelen sub-Antarctic marine habitats, to be progressively equipped with sensors and settlement plots. Remotely operated vehicle (ROV) observations and beam trawling (at 50 m and 100 m) have also been used to contextualise them. Eight sites – in the Morbihan Bay (4), and in the north (2) and south (2) of the Kerguelen Islands – are now monitored by photo and video surveys, with temperature loggers installed at 5 m and 15 m depth, and settlement plots at about 10 m depth. Temperature data have been recovered yearly since 2011 at some sites (those equipped first). Biodiversity found on settlement plots will be characterised yearly by metagenomics. The often harsh conditions at sea involve using robust underwater equipment and simple investigation techniques and protocols to ensure the permanence and the reliability of the equipment installed.
    PublicationUnderwater Technology
    Volume34
    Numéro1
    Pages1-8
    DateNovember 2016
    LangueEnglish
    DOIhttps://doi.org/10.3723/ut.34.003
    Titre abrégéPROTEKER
    URLhttp://www.ingentaconnect.com/contentone/sut/unwt/2016/00000034/00000001/art00002
    Consulté le2017-05-08T09:36:02Z
    itemfields collectionsArray
    itemfields relationsArray
    Date d'ajout2017-05-08T09:39:45Z
    Modifié le2017-05-08T09:39:45Z


  • Ferrari, R., et al. Quantifying Multiscale Habitat Structural Complexity: A Cost-Effective Framework for Underwater 3D Modelling. Remote Sensing 8, 113-113 (2016).
    itemfields keyTWIZK4KK
    Version47
    TypeArticle de revue
    TitreQuantifying Multiscale Habitat Structural Complexity: A Cost-Effective Framework for Underwater 3D Modelling
    AuteurFerrari, Renata
    AuteurMcKinnon, David
    AuteurHe, Hu
    AuteurSmith, Ryan
    AuteurCorke, Peter
    AuteurGonzález-Rivero, Manuel
    AuteurMumby, Peter
    AuteurUpcroft, Ben
    PublicationRemote Sensing
    Volume8
    Numéro2
    Pages113-113
    Datefévrier 2016
    DOI10.3390/rs8020113
    URLhttp://www.mdpi.com/2072-4292/8/2/113
    itemfields collectionsArray
    Date d'ajout2017-05-05T09:50:24Z
    Modifié le2017-05-05T15:47:50Z


  • Foo, S. A. & Byrne, M.Advances in Marine Biology 74, 69-116 (Elsevier, 2016).
    itemfields keyIRJAUB3M
    Version398
    TypeChapitre de livre
    TitreAcclimatization and Adaptive Capacity of Marine Species in a Changing Ocean
    AuteurFoo, S.A.
    AuteurByrne, M.
    Titre du livreAdvances in Marine Biology
    Volume74
    ÉditeurElsevier
    Date2016
    Pages69-116
    Langueen
    ISBN978-0-12-803607-5
    URLhttps://linkinghub.elsevier.com/retrieve/pii/S0065288116300037
    Consulté le2018-09-20T11:08:07Z
    Catalogue de bibl.Crossref
    ExtraDOI: 10.1016/bs.amb.2016.06.001
    itemfields collectionsArray
    Date d'ajout2018-09-20T11:08:07Z
    Modifié le2018-09-20T11:08:07Z


  • Galeotti, S., et al. Antarctic Ice Sheet variability across the Eocene-Oligocene boundary climate transition. Science 352, 76-80 (2016).
    itemfields keyNIT5A8A2
    Version162
    TypeArticle de revue
    TitreAntarctic Ice Sheet variability across the Eocene-Oligocene boundary climate transition
    AuteurGaleotti, S.
    AuteurDeConto, R.
    AuteurNaish, T.
    AuteurStocchi, P.
    AuteurFlorindo, F.
    AuteurPagani, M.
    AuteurBarrett, P.
    AuteurBohaty, S. M.
    AuteurLanci, L.
    AuteurPollard, D.
    AuteurSandroni, S.
    AuteurTalarico, F. M.
    AuteurZachos, J. C.
    RésuméAbout 34 million years ago, Earth’s climate cooled and an ice sheet formed on Antarctica as atmospheric carbon dioxide (CO2) fell below 750 parts per million (ppm). Sedimentary cycles from a drill core in the western Ross Sea provide direct evidence of orbitally controlled glacial cycles between 34 million and 31 million years ago. Initially, under atmospheric CO2 levels of ≥600 ppm, a smaller Antarctic Ice Sheet (AIS), restricted to the terrestrial continent, was highly responsive to local insolation forcing. A more stable, continental-scale ice sheet calving at the coastline did not form until ~32.8 million years ago, coincident with the earliest time that atmospheric CO2 levels fell below ~600 ppm. Our results provide insight into the potential of the AIS for threshold behavior and have implications for its sensitivity to atmospheric CO2 concentrations above present-day levels.
    PublicationScience
    Volume352
    Numéro6281
    Pages76-80
    Date2016-04-01
    LangueEnglish
    DOI10.1126/science.aab0669
    ISSN0036-8075, 1095-9203
    URLhttp://www.sciencemag.org/cgi/doi/10.1126/science.aab0669
    Consulté le2017-05-16T10:29:52Z
    Catalogue de bibl.CrossRef
    itemfields collectionsArray
    Date d'ajout2017-05-16T10:29:52Z
    Modifié le2017-05-16T10:31:24Z


  • González-Wevar, C. A., et al. Patterns of genetic diversity and structure in Antarctic and sub-Antarctic <i>Nacella</i> (Patellogastropoda: Nacellidae) species. Biodiversity 17, 46-55 (2016).
    itemfields keyQ98BGZUB
    Version109
    TypeArticle de revue
    TitrePatterns of genetic diversity and structure in Antarctic and sub-Antarctic <i>Nacella</i> (Patellogastropoda: Nacellidae) species
    AuteurGonzález-Wevar, Claudio A.
    AuteurHüne, Mathias
    AuteurRosenfeld, Sebastián
    AuteurSaucède, Thomas
    AuteurFéral, Jean-Pierre
    AuteurMansilla, Andrés
    AuteurPoulin, Elie
    RésuméThe biogeography of the Southern Ocean reflects complex interactions between major macroevolutionary forces and biotic elements. Major gateway openings, the establishment of the Antarctic Circumpolar Current and climate cooling are deeply connected to the composition, abundance and distribution of the Southern Ocean marine benthic fauna. Glacial episodes of the Quaternary heavily impacted the distribution of the genetic variation of the Southern Ocean biota. The genus Nacella includes 12 nominal species in different provinces of the Southern Ocean. In this study, we compared patterns of mitochondrial DNA diversity in three Nacella species from Antarctic Peninsula, Kerguelen Island and Patagonia. Low levels of genetic diversity and absence of genetic structure characterise each one of them showing the strong impact of ice advances and retreats over their respective demographics. Haplotype diversity, short genealogies and demographic inference recorded suggest the occurrence of a more dramatic demographic process in Antarctic Peninsula than in the sub-Antarctic.
    PublicationBiodiversity
    Volume17
    Numéro1-2
    Pages46-55
    Date2016-04-02
    Langueen
    DOI10.1080/14888386.2016.1181573
    ISSN1488-8386, 2160-0651
    Titre abrégéPatterns of genetic diversity and structure in Antarctic and sub-Antarctic <i>Nacella</i> (Patellogastropoda
    URLhttp://www.tandfonline.com/doi/full/10.1080/14888386.2016.1181573
    Consulté le2017-05-08T09:41:56Z
    Catalogue de bibl.CrossRef
    itemfields collectionsArray
    Date d'ajout2017-05-08T09:41:56Z
    Modifié le2017-05-08T09:44:10Z


  • Lear, C. H. & Lunt, D. J. How Antarctica got its ice. Science 352, 34-35 (2016).
    itemfields keyKXKJD8SP
    Version160
    TypeArticle de revue
    TitreHow Antarctica got its ice
    AuteurLear, Caroline H.
    AuteurLunt, Dan J.
    RésuméIce sheets such as those on Greenland and Antarctica today not only respond to changing climate but can also cause climate to change. Their sizes have fl uctuated substantially in the past. In particular, Antarctica was effectively ice-free until its ice cover began to expand rapidly at the Eocene-Oligocene boundary around 34 million years ago (see the figure). Recent research, including a report by Galeotti et al. on page 76 of this issue (1), helps to identify the mechanisms that led to this rapid ice sheet growth.
    PublicationScience
    Volume352
    Numéro6281
    Pages34-35
    Date2016-04-01
    LangueEnglish
    DOI10.1126/science.aad6284
    ISSN0036-8075, 1095-9203
    URLhttp://www.sciencemag.org/cgi/doi/10.1126/science.aad6284
    Consulté le2017-05-16T10:23:24Z
    Catalogue de bibl.CrossRef
    itemfields collectionsArray
    Date d'ajout2017-05-16T10:23:24Z
    Modifié le2017-05-16T10:27:27Z


  • Pérez-Alvarez, M. J., et al. Historical dimensions of population structure in a continuously distributed marine species: The case of the endemic Chilean dolphin. Scientific Reports 6, (2016).
    itemfields key2QW5DCEQ
    Version374
    TypeArticle de revue
    TitreHistorical dimensions of population structure in a continuously distributed marine species: The case of the endemic Chilean dolphin
    AuteurPérez-Alvarez, M. J.
    AuteurOlavarría, C.
    AuteurMoraga, R.
    AuteurBaker, C. S.
    AuteurHamner, R. M.
    AuteurPoulin, E.
    PublicationScientific Reports
    Volume6
    Numéro1
    Date12/2016
    Langueen
    DOI10.1038/srep35507
    ISSN2045-2322
    Titre abrégéHistorical dimensions of population structure in a continuously distributed marine species
    URLhttp://www.nature.com/articles/srep35507
    Consulté le2018-09-20T08:28:02Z
    Catalogue de bibl.Crossref
    itemfields collectionsArray
    Date d'ajout2018-09-20T08:28:02Z
    Modifié le2018-09-20T08:28:02Z

  • Poirson, M. Étude des habitats côtiers rocheux des îles Kerguelen et bilan des connaissances dans le but de mettre en place un suivi à long terme des communautés benthiques. (2016).à
    itemfields key635GD9S5
    Version356
    TypeThèse
    TitreÉtude des habitats côtiers rocheux des îles Kerguelen et bilan des connaissances dans le but de mettre en place un suivi à long terme des communautés benthiques.
    AuteurPoirson, Manon
    TypeRapport Master 1
    UniversitéPerpignan
    LieuDijon
    Date2016
    URLhttp://www.proteker.net/IMG/pdf/2016_poirson_master_1_etude_des_habitats_cotiers_rocheux_des_iles_kerguelen_et_bilan_des_connaissances_dans_le_but_de_mettre_en_place_un_suivi_a_long_terme_des_communautes_benthiques.pdf
    itemfields collectionsArray
    Date d'ajout2018-08-23T06:35:55Z
    Modifié le2018-08-26T17:57:34Z


  • Williams, G. D., et al. The suppression of Antarctic bottom water formation by melting ice shelves in Prydz Bay. Nature Communications 7, 12577 (2016).
    itemfields key84ZYWHD8
    Version375
    TypeArticle de revue
    TitreThe suppression of Antarctic bottom water formation by melting ice shelves in Prydz Bay
    AuteurWilliams, G. D.
    AuteurHerraiz-Borreguero, L.
    AuteurRoquet, F.
    AuteurTamura, T.
    AuteurOhshima, K. I.
    AuteurFukamachi, Y.
    AuteurFraser, A. D.
    AuteurGao, L.
    AuteurChen, H.
    AuteurMcMahon, C. R.
    AuteurHarcourt, R.
    AuteurHindell, M.
    PublicationNature Communications
    Volume7
    Pages12577
    Date2016-8-23
    DOI10.1038/ncomms12577
    ISSN2041-1723
    URLhttp://www.nature.com/doifinder/10.1038/ncomms12577
    Consulté le2018-09-20T08:30:50Z
    Catalogue de bibl.Crossref
    Date d'ajout2018-09-20T08:30:50Z
    Modifié le2018-09-20T08:30:50Z

  • Wright, S., et al. SCUBA divers as oceanographic samplers: The potential of dive computers to augment aquatic temperature monitoring. Scientific Reports 6, 30164 (2016).
    itemfields keyKFFIQNFN
    Version47
    TypeArticle de revue
    TitreSCUBA divers as oceanographic samplers: The potential of dive computers to augment aquatic temperature monitoring
    AuteurWright, Serena
    AuteurHull, Tom
    AuteurSivyer, David B.
    AuteurPearce, David
    AuteurPinnegar, John K.
    AuteurSayer, Martin D. J.
    AuteurMogg, Andrew O. M.
    AuteurAzzopardi, Elaine
    AuteurGontarek, Steve
    AuteurHyder, Kieran
    PublicationScientific Reports
    Volume6
    Pages30164
    Datejuillet 22, 2016
    Abrév. de revueScientific Reports
    URLhttp://dx.doi.org/10.1038/srep30164
    Date d'ajout2017-05-05T09:50:24Z
    Modifié le2017-05-05T15:47:50Z


  • Xavier, J. C., et al. Future Challenges in Southern Ocean Ecology Research. Frontiers in Marine Science 3, 94 (2016).
    itemfields keyL97G7B5Y
    Version255
    TypeArticle de revue
    TitreFuture Challenges in Southern Ocean Ecology Research
    AuteurXavier, José C.
    AuteurBrandt, Angelika
    AuteurRopert-Coudert, Yan
    AuteurBadhe, Renuka
    AuteurGutt, Julian
    AuteurHavermans, Charlotte
    AuteurJones, Christopher
    AuteurCosta, Erli S.
    AuteurLochte, Karin
    AuteurSchloss, Irene R.
    AuteurKennicutt, Mahlon C.
    AuteurSutherland, William J.
    RésuméThe Southern Ocean is experiencing relentless change. The Antarctic and Southern Ocean community, represented by 75 scientists and policy-makers from 22 countries, recently met to formulate a collective vision on the priorities for Antarctic research for the next two decades and beyond. Here, we assess high-interest research areas related specifically to Southern Ocean life and ecology that, although not all retained as the 80 top priorities among the addressed scientific domains, are of considerable relevance to the biology and ecology of the Southern Ocean. As certain regions of the Southern Ocean ecosystems have witnessed abiotic and biotic changes in the last decades (e.g. warming, changes in sea ice and abundance of marine organisms), such an exercise was urgently needed. We concluded that basic biological information on the taxonomy of numerous organisms is still lacking in areas such as the deep-ocean floor or the under-ice environments. Furthermore, there is a need for knowledge about the response and resilience of Antarctic marine ecosystems to change. The continuation of a long-term commitment and the development and use of innovative technology to adequately monitor the Southern Ocean ecosystems is required. Highlighting the most important Southern Ocean research topics allow the identification of the challenges and future requirements in technological development, and both research and funding strategies for the various stakeholders
    PublicationFrontiers in Marine Science
    Volume3
    Pages94
    Date2016
    DOI10.3389/fmars.2016.00094
    ISSN2296-7745
    URLhttps://www.frontiersin.org/article/10.3389/fmars.2016.00094
    itemfields collectionsArray
    Date d'ajout2018-08-18T20:56:49Z
    Modifié le2018-08-18T20:56:49Z

2015



  • Agüera, A., Collard, M., Jossart, Q., Moreau, C. & Danis, B. Parameter Estimations of Dynamic Energy Budget (DEB) Model over the Life History of a Key Antarctic Species: The Antarctic Sea Star Odontaster validus Koehler, 1906. PLOS ONE 10, e0140078 (2015).
    itemfields key63CUBYLT
    Version255
    TypeArticle de revue
    TitreParameter Estimations of Dynamic Energy Budget (DEB) Model over the Life History of a Key Antarctic Species: The Antarctic Sea Star Odontaster validus Koehler, 1906
    AuteurAgüera, Antonio
    AuteurCollard, Marie
    AuteurJossart, Quentin
    AuteurMoreau, Camille
    AuteurDanis, Bruno
    ÉditeurThuesen, Erik V.
    PublicationPLOS ONE
    Volume10
    Numéro10
    Pagese0140078
    Date2015-10-9
    Langueen
    DOI10.1371/journal.pone.0140078
    ISSN1932-6203
    Titre abrégéParameter Estimations of Dynamic Energy Budget (DEB) Model over the Life History of a Key Antarctic Species
    URLhttp://dx.plos.org/10.1371/journal.pone.0140078
    Consulté le2018-08-18T21:17:24Z
    Catalogue de bibl.Crossref
    itemfields collectionsArray
    Date d'ajout2018-08-18T21:19:43Z
    Modifié le2018-08-18T21:19:43Z

  • Bazin, A. Contrôle des biotopes sur l’écologie des oursins des Iles Kerguelen. Analyse d’habitats contrastés à l’aide de traceurs isotopiques (δ13C et δ15N) et de maqueurs géochimiques. (2015).à
    itemfields key6Q3CHBVP
    Version355
    TypeThèse
    TitreContrôle des biotopes sur l’écologie des oursins des Iles Kerguelen. Analyse d’habitats contrastés à l’aide de traceurs isotopiques (δ13C et δ15N) et de maqueurs géochimiques.
    AuteurBazin, Alexis
    TypeRapport Master 1
    UniversitéDijon
    Date2015
    URLhttp://www.proteker.net/IMG/pdf/2015_bazin_master_1_controle_des_biotopes_sur_l_ecologie_des_oursins_des_iles_kerguelen._analyse_d_habitats_contrastes_a_l_aide_de_traceurs_isotopiques_13c_et_15n_et_de_maqueurs_geochimiques.pdf
    itemfields collectionsArray
    Date d'ajout2018-08-23T06:32:04Z
    Modifié le2018-08-26T17:54:49Z


  • Bennett, J. R., et al. Polar lessons learned: long-term management based on shared threats in Arctic and Antarctic environments. Frontiers in Ecology and the Environment 13, 316-324 (2015).
    itemfields keyBDPNV7K3
    Version47
    TypeArticle de revue
    TitrePolar lessons learned: long-term management based on shared threats in Arctic and Antarctic environments
    AuteurBennett, Joseph R
    AuteurShaw, Justine D
    AuteurTerauds, Aleks
    AuteurSmol, John P
    AuteurAerts, Rien
    AuteurBergstrom, Dana M
    AuteurBlais, Jules M
    AuteurCheung, William WL
    AuteurChown, Steven L
    AuteurLea, Mary-Anne
    AuteurNielsen, Uffe N
    AuteurPauly, Daniel
    AuteurReimer, Kenneth J
    AuteurRiddle, Martin J
    AuteurSnape, Ian
    AuteurStark, Jonathan S
    AuteurTulloch, Vivitskaia J
    AuteurPossingham, Hugh P
    PublicationFrontiers in Ecology and the Environment
    Volume13
    Numéro6
    Pages316-324
    Dateaoût 2015
    DOI10.1890/140315
    URLhttp://doi.wiley.com/10.1890/140315
    Date d'ajout2017-05-05T09:50:24Z
    Modifié le2017-05-05T15:47:50Z


  • Calado, R. & Leal, M. C.Advances in Marine Biology 71, 1-70 (Elsevier, 2015).
    itemfields key6YRXNQ77
    Version401
    TypeChapitre de livre
    TitreTrophic Ecology of Benthic Marine Invertebrates with Bi-Phasic Life Cycles
    AuteurCalado, Ricardo
    AuteurLeal, Miguel Costa
    Titre du livreAdvances in Marine Biology
    Volume71
    ÉditeurElsevier
    Date2015
    Pages1-70
    Langueen
    ISBN978-0-12-803305-0
    URLhttps://linkinghub.elsevier.com/retrieve/pii/S0065288115000061
    Consulté le2018-09-20T11:45:10Z
    Catalogue de bibl.Crossref
    ExtraDOI: 10.1016/bs.amb.2015.07.001
    Date d'ajout2018-09-20T11:45:10Z
    Modifié le2018-09-20T11:45:10Z


  • Figueira, W., et al. Accuracy and Precision of Habitat Structural Complexity Metrics Derived from Underwater Photogrammetry. Remote Sensing 7, 16883-16900 (2015).
    itemfields key5RFTPSE9
    Version47
    TypeArticle de revue
    TitreAccuracy and Precision of Habitat Structural Complexity Metrics Derived from Underwater Photogrammetry
    AuteurFigueira, Will
    AuteurFerrari, Renata
    AuteurWeatherby, Elyse
    AuteurPorter, Augustine
    AuteurHawes, Steven
    AuteurByrne, Maria
    PublicationRemote Sensing
    Volume7
    Numéro12
    Pages16883-16900
    Datedécembre 2015
    DOI10.3390/rs71215859
    URLhttp://www.mdpi.com/2072-4292/7/12/15859
    itemfields collectionsArray
    Date d'ajout2017-05-05T09:50:24Z
    Modifié le2017-05-05T15:47:50Z


  • García Molinos, J., et al. Climate velocity and the future global redistribution of marine biodiversity. Nature Climate Change 6, 83-88 (2015).
    itemfields key4MZN7BD5
    Version47
    TypeArticle de revue
    TitreClimate velocity and the future global redistribution of marine biodiversity
    AuteurGarcía Molinos, Jorge
    AuteurHalpern, Benjamin S.
    AuteurSchoeman, David S.
    AuteurBrown, Christopher J.
    AuteurKiessling, Wolfgang
    AuteurMoore, Pippa J.
    AuteurPandolfi, John M.
    AuteurPoloczanska, Elvira S.
    AuteurRichardson, Anthony J.
    AuteurBurrows, Michael T.
    RésuméAnticipating the effect of climate change on biodiversity, in particular on changes in community composition, is crucial for adaptive ecosystem management1 but remains a critical knowledge gap2. Here, we use climate velocity trajectories3, together with information on thermal tolerances and habitat preferences, to project changes in global patterns of marine species richness and community composition under IPCC Representative Concentration Pathways4 (RCPs) 4.5 and 8.5. Our simple, intuitive approach emphasizes climate connectivity, and enables us to model over 12 times as many species as previous studies5, 6. We find that range expansions prevail over contractions for both RCPs up to 2100, producing a net local increase in richness globally, and temporal changes in composition, driven by the redistribution rather than the loss of diversity. Conversely, widespread invasions homogenize present-day communities across multiple regions. High extirpation rates are expected regionally (for example, Indo-Pacific), particularly under RCP8.5, leading to strong decreases in richness and the anticipated formation of no-analogue communities where invasions are common. The spatial congruence of these patterns with contemporary human impacts7, 8 highlights potential areas of future conservation concern. These results strongly suggest that the millennial stability of current global marine diversity patterns, against which conservation plans are assessed, will change rapidly over the course of the century in response to ocean warming.
    PublicationNature Climate Change
    Volume6
    Numéro1
    Pages83-88
    Dateaoût 2015
    DOI10.1038/nclimate2769
    URLhttp://www.nature.com/doifinder/10.1038/nclimate2769
    MarqueursEcology · climate change
    Date d'ajout2017-05-05T09:50:24Z
    Modifié le2017-05-05T15:47:50Z


  • Gérard, K., et al. Does natural selection explain the fine scale genetic structure at the nuclear exon <i>Glu-5′</i> in blue mussels from Kerguelen? Ecology and Evolution 5, 1456-1473 (2015).
    itemfields keyPMCFNG2P
    Version105
    TypeArticle de revue
    TitreDoes natural selection explain the fine scale genetic structure at the nuclear exon <i>Glu-5′</i> in blue mussels from Kerguelen?
    AuteurGérard, Karin
    AuteurRoby, Charlotte
    AuteurBierne, Nicolas
    AuteurBorsa, Philippe
    AuteurFéral, Jean-Pierre
    AuteurChenuil, Anne
    PublicationEcology and Evolution
    Volume5
    Numéro7
    Pages1456-1473
    Date04/2015
    Langueen
    DOI10.1002/ece3.1421
    ISSN20457758
    URLhttp://doi.wiley.com/10.1002/ece3.1421
    Consulté le2015-12-12T18:12:14Z
    Catalogue de bibl.CrossRef
    itemfields collectionsArray
    itemfields relationsArray
    Date d'ajout2017-05-08T09:30:42Z
    Modifié le2017-05-08T09:30:42Z

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What’s up ?

Amsterdam

Les fonds des îles escales du Marion-Dufresne 2 étant presque totalement inconnus, PROTEKER profite des escales du navire pour, en fonction des conditions logistiques et météorologiques, avec l’autorisation du commandant et de l’OPA, pour effectuer des explorations en plongée ou au moyen d’un ROV (Remotely Operated Vehicle).

- 23 décembre 2013, les langoustes et le benthos d’Amsterdam


All about Kerguelen Islands

This section is devoted to documents to better understand the Kerguelen Islands and other sub-Antarctic islands

Cartography :
Oceanography
Hydrography
Documentary films
*- 1964 Ecologie infralittorale à Kerguelen (Paul Grua)


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