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Can we generate robust species distribution models at the scale of the Southern Ocean? 5
Fabri-ruiz, Salomé; Danis, Bruno; David, Bruno; Saucède, Thomas.
Aim Species distribution modelling (SDM) represents a valuable alternative to predict species distribution over vast and remote areas of the ocean. We tested whether reliable SDMs can be generated for benthic marine organisms at the scale of the Southern Ocean. We aimed at identifying the main large‐scale factors that determine the distribution of the selected species. The robustness of SDMs was tested with regards to sampling effort, species niche width and biogeography. Location Southern Ocean. Methods The impact of sampling effort was tested using two sets of data: one set with all presence‐only data available until 2005, and a second set using all data available until 2015 including recent records from campaigns carried out during the Census of...
Tipo: Text Palavras-chave: Antarctic; Biogeography; Conservation; Echinoidea; Ecological niche; Random forest; Sampling effort; Sub-Antarctic.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00458/56990/58881.pdf
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Circumpolar dataset of sequenced specimens of Promachocrinus kerguelensis (Echinodermata, Crinoidea) 5
Hemery, Lenaig G.; Ameziane, Nadia; Eleaume, Marc.
This circumpolar dataset of the comatulid (Echinodermata: Crinoidea) Promachocrinus kerguelensis (Carpenter, 1888) from the Southern Ocean, documents biodiversity associated with the specimens sequenced in Hemery et al. (2012). The aim of Hemery et al. (2012) paper was to use phylogeographic and phylogenetic tools to assess the genetic diversity, demographic history and evolutionary relationships of this very common and abundant comatulid, in the context of the glacial history of the Antarctic and Sub-Antarctic shelves (Thatje et al. 2005, 2008). Over one thousand three hundred specimens (1307) used in this study were collected during seventeen cruises from 1996 to 2010, in eight regions of the Southern Ocean: Kerguelen Plateau, Davis Sea, Dumont d'Urville...
Tipo: Text Palavras-chave: Antarctica; Crinoidea; Cytochrome Oxydase subunit I; Echinodermata; Phylogeography; Promachocrinus; Southern Ocean; Sub-Antarctic.
Ano: 2013 URL: https://archimer.ifremer.fr/doc/00296/40758/39749.pdf
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Heavy metal contamination and hepatic toxicological responses in brown trout (Salmo trutta) from the Kerguelen Islands 5
Jaffal, Ali; Betoulle, Stephane; Biagianti-risbourg, Sylvie; Terreau, Alexandre; Sanchez, Wilfried; Paris-palacios, Severine.
The Kerguelen Islands include various species of freshwater fish such as brown trout (Salmo trutta). These trout are among the most isolated from direct anthropogenic impact worldwide. This study was designed to analyse cadmium (Cd) and copper (Cu) concentrations in the liver of Kerguelen brown trout, and to assess the possible impacts of these metals on hepatic histopathology and oxidative stress parameters (superoxide dismutase and catalase activity and glutathione levels). Trout were caught in the Chateau River, the Studer Lakes and the Ferme Pond, close to the scientific station of the Kerguelen Islands, corresponding to three morphotypes (river, lake and station). Kerguelen trouts' hepatic concentrations of Cd and Cur were similar to those reported in...
Tipo: Text Palavras-chave: Brown trout; Freshwater; Fish; Sub-Antarctic; Liver; Biomarkers.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00499/61109/64571.pdf
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Sertularia echinocarpa Allman, 1888, an unexpected new species of Staurotheca Allman, 1888 (Cnidaria; Hydrozoa; Sertulariidae) 16
Peña Cantero, A.L.; Vervoort, W..
The holotype of Sertularia echinocarpa Allman has been examined, re-described and figured to determine its actual systematic position. The species actually belongs to the genus Staurotheca, raising the number of known species for this genus to 25.
Tipo: Article / Letter to the editor Palavras-chave: Hydroid; Leptolid; Sub-Antarctic; Distribution; 42.79.
Ano: 2003 URL: http://www.repository.naturalis.nl/record/216170
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