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Registros recuperados: 5
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Deep-Sea Origin and In-Situ Diversification of Chrysogorgiid Octocorals 5
Pante, Eric; France, Scott C.; Couloux, Arnaud; Cruaud, Corinne; Mcfadden, Catherine S.; Samadi, Sarah; Watling, Les.
The diversity, ubiquity and prevalence in deep waters of the octocoral family Chrysogorgiidae Verrill, 1883 make it noteworthy as a model system to study radiation and diversification in the deep sea. Here we provide the first comprehensive phylogenetic analysis of the Chrysogorgiidae, and compare phylogeny and depth distribution. Phylogenetic relationships among 10 of 14 currently-described Chrysogorgiidae genera were inferred based on mitochondrial (mtMutS, cox1) and nuclear (18S) markers. Bathymetric distribution was estimated from multiple sources, including museum records, a literature review, and our own sampling records (985 stations, 2345 specimens). Genetic analyses suggest that the Chrysogorgiidae as currently described is a polyphyletic family....
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Ano: 2012 URL: https://archimer.ifremer.fr/doc/00467/57831/60158.pdf
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Exploration of the Deep-Sea Fauna of Papua New Guinea 5
Pante, Eric; Corbari, Laure; Thubaut, Justine; Chan, Tin-yam; Mana, Ralph; Boisselier, Marie-catherine; Bouchet, Philippe; Samadi, Sarah.
Little is known of New Guinea's deep benthic communities. In fall 2010, the Museum national d'Histoire naturelle, Institut de Recherche pour le Developpement, and University of Papua New Guinea spearheaded an international three-leg cruise, BioPapua, aimed at exploring the deep waters of eastern Papua New Guinea and its satellite islands. Special attention was given to faunal assemblages associated with sunken wood and decomposing vegetation as well as seamount summits and slopes. In this article, we review the information available on the deep ecosystems of Papua New Guinea and summarize preliminary results of the BioPapua cruise.
Tipo: Text
Ano: 2012 URL: https://archimer.ifremer.fr/doc/00161/27267/25479.pdf
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Ocean warming combined with lower omega-3 nutritional availability impairs the cardio-respiratory function of a marine fish 5
Vagner, Marie; Pante, Eric; Viricel, Amelia; Lacoue-labarthe, Thomas; Zambonino-infante, Jose-luis; Quazuguel, Patrick; Dubillot, Emmanuel; Huet, Valerie; Le Delliou, Herve; Lefrançois, Christel; Imbert-auvray, Nathalie.
Highly unsaturated fatty acids of the omega-3 series (HUFA) are major constituents of cell membranes, yet poorly synthesised de novo by consumers. Their production, mainly supported by aquatic microalgae, has been decreasing with global change. Understanding the consequences of such reductions is essential for ectotherm consumers, since temperature tightly regulates the HUFA content in cell membranes, maintaining their functionality. Integrating individual, tissue and molecular approaches, we examined the consequences of the combined effects of temperature and HUFA depletion on the key cardio-respiratory functions of the golden grey mullet, an ectotherm grazer of high ecological importance. For four months, fish were exposed to two contrasting HUFA diets...
Tipo: Text Palavras-chave: Omega-3 highly unsaturated fatty acids; Temperature; Cardiac performance; Swimming performance; Chelon auratus; RNAseq.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00476/58744/63565.pdf
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Patchiness of deep-sea communities in Papua New Guinea and potential susceptibility to anthropogenic disturbances illustrated by seep organisms 5
Samadi, Sarah; Puillandre, Nicolas; Pante, Eric; Boisselier, Marie-catherine; Corbari, Laure; Chen, Wei-jen; Maestrati, Philippe; Mana, Ralph; Thubaut, Justine; Zuccon, Dario; Hourdez, Stephane.
The deep-sea part of the ‘Papua Niugini Biodiversity Expedition’ surveyed the deep-sea environments along the coasts of New Guinea Island in the Bismarck Sea, from the Vitiaz Strait to the border between Papua New Guinea (PNG) and Irian Jaya. This expedition was a follow-up of the BIOPAPUA cruise (2010) that gave some of the first insights into the diversity of the deep-sea fauna of the Bismarck and Solomon Seas for environments other than deep-sea hydrothermal vents. The main aims of the cruise were to survey the diversity of the fauna of (i) hard bottoms that are typically found on deep seamounts, (ii) Astrolabe Bay from 200 m to about 1000 m, (iii) the chemosynthetic environments of the deep sea, including cold-seep environments and plant debris....
Tipo: Text Palavras-chave: Bathymodiolinae; Cold-seep; Deep-sea; Siboglinidae.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00276/38703/37210.pdf
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Species are hypotheses: avoid connectivity assessments based on pillars of sand 5
Pante, Eric; Puillandre, Nicolas; Viricel, Amélia; Arnaud-haond, Sophie; Aurelle, Didier; Castelin, Magalie; Chenuil, Anne; Destombe, Christophe; Forcioli, Didier; Valero, Myriam; Viard, Frederique; Samadi, Sarah.
Connectivity among populations determines the dynamics and evolution of populations, and its assessment is essential in ecology in general and in conservation biology in particular. The robust basis of any ecological study is the accurate delimitation of evolutionary units, such as populations, metapopulations and species. Yet a disconnect still persists between the work of taxonomists describing species as working hypotheses and the use of species delimitation by molecular ecologists interested in describing patterns of gene flow. This problem is particularly acute in the marine environment where the inventory of biodiversity is relatively delayed, while for the past two decades, molecular studies have shown a high prevalence of cryptic species. In this...
Tipo: Text Palavras-chave: Connectivity; Marine organisms; Molecular systematics; Taxonomy.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00248/35952/35301.pdf
Registros recuperados: 5
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