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Title |
Long-term monitoring of coastal benthic habitats in the Kerguelen Islands: a legacy of decades of marine biology research |
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Book Chapter |
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Year |
2019 |
Publication |
The kerguelen plateau: marine ecosystem and fisheries. proceedings of the second symposium |
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Pages |
383-402 |
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Keywords |
sub-Antarctic islands, climate change, frontal shifts, marine reserve, benthos monitoring, thermo recorders, settlement plots, artificial reefs, habitat mapping, scientific diving |
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Abstract |
In the current context of climate change, sea-surface temperature variation, sea level rise and latitudinal shifts of currents and hydrological fronts are expected to affect marine biodiversity of the sub-Antarctic Islands, particularly in coastal waters. Characterising the impacts of climate change on marine communities requires recording environmental modifications through the establishment of long-term monitoring. PROTEKER aims at the establishment of a submarine observatory consisting of multi-disciplinary research: oceanography, habitat mapping and species inventories, genetic, eco-physiological and trophic analyses. It also aims to provide scientific standards for the management of the Kerguelen Marine Reserve. Eighteen sampling sites of previous programs were revisited by scuba diving among which eight were selected for monitoring and were progressively equipped. ROV observations and beam trawling have also been conducted for contextualisation. These sites (Morbihan Bay (4), North (2) and South (2) coast) are monitored using photo/video surveys, temperature and salinity sensors, and settlement plots. Sessile communities collected on settlement plots will be characterised yearly through morphological and DNA techniques. Phylogeographical studies of target taxa are being conducted to improve our knowledge of endemicity and connectivity levels among sub-Antarctic islands. |
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1044 |
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Bachelor's thesis |
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978-1-876934-30-9 |
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978-1-876934-30-9 |
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yes |
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7491 |
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Title |
Modeling species response to climate change in sub-Antarctic islands – Echinoids as a case study for the Kerguelen Plateau. |
Type |
Book Chapter |
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Year |
2019 |
Publication |
The kerguelen plateau: marine ecosystem and fisheries. proceedings of the second symposium |
Abbreviated Journal |
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Volume |
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Pages |
383-402 |
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Keywords |
species distribution model, trophic niche, isotopic niche, biotic interaction, distribution dynamics |
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Abstract |
In the Kerguelen Islands, the multiple effects of climate change are expected to impact coastal marine habitats. Species distribution models (SDM) can represent a convenient tool to predict the biogeographic response of species to climate change but biotic interactions are not considered in these models. Nevertheless, new species interactions can emerge in communities exposed to environmental changes and the structure of biotic interactions is directly related to the potential resilience of ecosystems. Trophic interaction studies can help predict species vulnerability to environmental changes using carbon (?13C) and nitrogen (?15N) stable isotope ratios to generate trophic models. Using new available data inputs, we generated robust SDM and trophic interaction models to assess the potential response and sensitivity of three echinoid species to future worst-case scenarios of environmental change in the Kerguelen Plateau region. The two modelling approaches provide contrasting insights into the potential responses of each species to future environmental changes with both approaches identifying Abatus cordatus to be particularly vulnerable due to its narrow ecological niche and endemism to near-shore areas. Coupling insights gained from trophic niche ecology with species distribution modelling represents a promising approach that can improve our understanding and ability to predict the potential responses of species to future habitat changes. |
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1044 |
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Bachelor's thesis |
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978-1-876934-30-9 |
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yes |
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7494 |
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Title |
Animal Energyscape: A new dimension for Arctic environmental spatial planning. Arctic Biodiversity Congress, Rovaniemi (Finland) |
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Conference - International - Communication |
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Year |
2018 |
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388 |
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Bachelor's thesis |
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Arctic Biodiversity Congress 2018 |
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yes |
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7347 |
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Author |
Heerah K, Delord K., Dias M. Oppel S., Barbraud C., Weimerskirch H., Bost, C.a.. |
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Title |
Characterization of importat areas and conservation sites for four endangered marine predators of the Southern Indian Ocean |
Type |
Conference - International - Communication |
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Year |
2018 |
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394 |
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Bachelor's thesis |
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9th International Symposium of Integrative Zoology, 27-29th August 2017, Xining, China |
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yes |
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7348 |
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Title |
Pelagic ecosystem functioning in the vicinity of the Kerguelen Islands (Southern Ocean): Towards an end-to-end approach |
Type |
Book Chapter |
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Year |
2019 |
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Abbreviated Journal |
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1201 |
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Bachelor's thesis |
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yes |
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7502 |
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Author |
Van De Vijver B., Denys L. & Beyens L. |
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Title |
Fragilaria husvikensis sp. nov. (Bacillariophyceae), another Fragilaria species with transapical ribs from Subantarctica. |
Type |
Journal Article |
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Year |
2000 |
Publication |
Nova hedwigia |
Abbreviated Journal |
Nova Hedwigia |
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Pages |
537-550 |
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136 |
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0029-5035 |
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yes |
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1 |
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Author |
Dubois J. |
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1997 |
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131 |
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Bachelor's thesis |
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yes |
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2 |
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Author |
Angelier J. & Bergerat F. |
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Title |
The South Iceland Seismic zone – Part II: Stress fields and mecanisms of seismogenic faults. |
Type |
Conference - International - Article without Reading Comitee |
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Year |
1997 |
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Abstr., Workshop Prenlab – 1, 24-25 octobre Paris |
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316 |
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yes |
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6 |
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Author |
Guinard E., Weimreskirch H. & Jouventin P. |
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Title |
Population changes and demography of the northern rockhopper penguin on Amsterdam and Saint Paul islands. |
Type |
Journal Article |
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Year |
1998 |
Publication |
Colonial waterbirds |
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21 |
Issue |
2 |
Pages |
222-228 |
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109 |
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Bachelor's thesis |
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0738-6028 |
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yes |
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8 |
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Author |
Riaux-Gobin C., Treguer P. & Poulin M. |
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Conference - National - Article without Reading Comitee |
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Year |
1997 |
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296 |
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yes |
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14 |
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