Diversity of Antarctic echinoids and ecoregions of the Southern Ocean.
16 pages International audience Significant environmental changes have already been documented in the Southern Ocean (e.g. seawater temperature increase and salinity drop) but its marine life is still incompletely known given the heterogeneousnature of biogeographic data. However, to establish susta...
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ftunivnantes:oai:HAL:hal-03110602v1 2023-05-15T13:47:54+02:00 Diversity of Antarctic echinoids and ecoregions of the Southern Ocean. Fabri-Ruiz, Salomé Navarro, Nicolas Laffont, Rémi Danis, Bruno Saucède, Thomas Biogéosciences UMR 6282 (BGS) Université de Bourgogne (UB)-Centre National de la Recherche Scientifique (CNRS) Marine Biology Laboratory Université libre de Bruxelles (ULB) École pratique des hautes études (EPHE) Université Paris sciences et lettres (PSL) French Polar Institute (program nο. 1044—Proteker) Moscou, Russia 2019-09-16 https://hal.science/hal-03110602 https://doi.org/10.1134/S1062359020060047 en eng HAL CCSD info:eu-repo/semantics/altIdentifier/doi/10.1134/S1062359020060047 hal-03110602 https://hal.science/hal-03110602 doi:10.1134/S1062359020060047 Biology Bulletin 10th European Conference on Echinoderms https://hal.science/hal-03110602 10th European Conference on Echinoderms, Sep 2019, Moscou, Russia. pp.683-698, ⟨10.1134/S1062359020060047⟩ https://link.springer.com/article/10.1134/S1062359020060047 [SDE.BE]Environmental Sciences/Biodiversity and Ecology info:eu-repo/semantics/conferenceObject Conference papers 2019 ftunivnantes https://doi.org/10.1134/S1062359020060047 2023-02-01T00:40:12Z 16 pages International audience Significant environmental changes have already been documented in the Southern Ocean (e.g. seawater temperature increase and salinity drop) but its marine life is still incompletely known given the heterogeneousnature of biogeographic data. However, to establish sustainable conservation areas, understandingspecies and communities distribution patterns is critical. For this purpose, the ecoregionalization approachcan prove useful by identifying spatially explicit and well-delimited regions of common species compositionand environmental settings. Such regions are expected to have similar biotic responses to environmentalchanges and can be used to define priorities for the designation of Marine Protected Areas. In the presentwork, a benthic ecoregionalization of the Southern Ocean is proposed based on echinoids distribution dataand abiotic environmental parameters. Echinoids are widely distributed in the Southern Ocean, they are taxonomicallyand ecologically well diversified and documented. Given the heterogeneity of the sampling effort,predictive spatial models were produced to fill the gaps in between species distribution data. A first procedurewas developed using Gaussian Mixture Models (GMM) to combine individual species models into ecoregions.A second, integrative procedure was implemented using the Generalized Dissimilarity Models (GDM)to model and assemble species distributions. Both procedures were compared to propose benthic ecoregionsat the scale of the entire Southern Ocean. Conference Object Antarc* Antarctic Southern Ocean Université de Nantes: HAL-UNIV-NANTES Antarctic Southern Ocean Biology Bulletin 47 6 683 698 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
[SDE.BE]Environmental Sciences/Biodiversity and Ecology |
spellingShingle |
[SDE.BE]Environmental Sciences/Biodiversity and Ecology Fabri-Ruiz, Salomé Navarro, Nicolas Laffont, Rémi Danis, Bruno Saucède, Thomas Diversity of Antarctic echinoids and ecoregions of the Southern Ocean. |
topic_facet |
[SDE.BE]Environmental Sciences/Biodiversity and Ecology |
description |
16 pages International audience Significant environmental changes have already been documented in the Southern Ocean (e.g. seawater temperature increase and salinity drop) but its marine life is still incompletely known given the heterogeneousnature of biogeographic data. However, to establish sustainable conservation areas, understandingspecies and communities distribution patterns is critical. For this purpose, the ecoregionalization approachcan prove useful by identifying spatially explicit and well-delimited regions of common species compositionand environmental settings. Such regions are expected to have similar biotic responses to environmentalchanges and can be used to define priorities for the designation of Marine Protected Areas. In the presentwork, a benthic ecoregionalization of the Southern Ocean is proposed based on echinoids distribution dataand abiotic environmental parameters. Echinoids are widely distributed in the Southern Ocean, they are taxonomicallyand ecologically well diversified and documented. Given the heterogeneity of the sampling effort,predictive spatial models were produced to fill the gaps in between species distribution data. A first procedurewas developed using Gaussian Mixture Models (GMM) to combine individual species models into ecoregions.A second, integrative procedure was implemented using the Generalized Dissimilarity Models (GDM)to model and assemble species distributions. Both procedures were compared to propose benthic ecoregionsat the scale of the entire Southern Ocean. |
author2 |
Biogéosciences UMR 6282 (BGS) Université de Bourgogne (UB)-Centre National de la Recherche Scientifique (CNRS) Marine Biology Laboratory Université libre de Bruxelles (ULB) École pratique des hautes études (EPHE) Université Paris sciences et lettres (PSL) French Polar Institute (program nο. 1044—Proteker) |
format |
Conference Object |
author |
Fabri-Ruiz, Salomé Navarro, Nicolas Laffont, Rémi Danis, Bruno Saucède, Thomas |
author_facet |
Fabri-Ruiz, Salomé Navarro, Nicolas Laffont, Rémi Danis, Bruno Saucède, Thomas |
author_sort |
Fabri-Ruiz, Salomé |
title |
Diversity of Antarctic echinoids and ecoregions of the Southern Ocean. |
title_short |
Diversity of Antarctic echinoids and ecoregions of the Southern Ocean. |
title_full |
Diversity of Antarctic echinoids and ecoregions of the Southern Ocean. |
title_fullStr |
Diversity of Antarctic echinoids and ecoregions of the Southern Ocean. |
title_full_unstemmed |
Diversity of Antarctic echinoids and ecoregions of the Southern Ocean. |
title_sort |
diversity of antarctic echinoids and ecoregions of the southern ocean. |
publisher |
HAL CCSD |
publishDate |
2019 |
url |
https://hal.science/hal-03110602 https://doi.org/10.1134/S1062359020060047 |
op_coverage |
Moscou, Russia |
geographic |
Antarctic Southern Ocean |
geographic_facet |
Antarctic Southern Ocean |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_source |
Biology Bulletin 10th European Conference on Echinoderms https://hal.science/hal-03110602 10th European Conference on Echinoderms, Sep 2019, Moscou, Russia. pp.683-698, ⟨10.1134/S1062359020060047⟩ https://link.springer.com/article/10.1134/S1062359020060047 |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1134/S1062359020060047 hal-03110602 https://hal.science/hal-03110602 doi:10.1134/S1062359020060047 |
op_doi |
https://doi.org/10.1134/S1062359020060047 |
container_title |
Biology Bulletin |
container_volume |
47 |
container_issue |
6 |
container_start_page |
683 |
op_container_end_page |
698 |
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1766247992159895552 |