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Exploring Benthic Biodiversity Patterns and Hotspots on European Margin Slopes ArchiMer
Danovaro, Roberto; Canals, Miquel; Gambi, Cristina; Heussner, Serge; Lampadariou, Nikolaos; Vanreusel, Ann.
There is increasing evidence that continental slope ecosystems represent one of the major repositories of benthic marine biodiversity. The enhanced levels of biodiversity along slopes are hypothesized to be a source of biodiversity for continental shelves and deeper basins. Continental margins are increasingly altered by human activities, but the consequences of these anthropogenic impacts on benthic biodiversity and ecosystem functioning are almost completely unknown. Thus, there is an urgent need to gather sufficient information to enable us to understand patterns and drivers of deep-sea biodiversity along continental margins. Although the local diversity of sonic deep open slope ecosystems is moderately well documented, very little is known about the...
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Ano: 2009 URL: https://archimer.ifremer.fr/doc/00301/41232/40421.pdf
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Deep-Sea Biodiversity in the Mediterranean Sea: The Known, the Unknown, and the Unknowable ArchiMer
Danovaro, Roberto; Batista Company, Joan; Corinaldesi, Cinzia; D'Onghia, Gianfranco; Galil, Bella; Gambi, Cristina; Gooday, Andrew J.; Lampadariou, Nikolaos; Luna, Gian Marco; Morigi, Caterina; Olu, Karine; Polymenakou, Paraskevi; Ramirez-llodra, Eva; Sabbatini, Anna; Sarda, Francesc; Sibuet, Myriam; Tselepides, Anastasios.
Deep-sea ecosystems represent the largest biome of the global biosphere, but knowledge of their biodiversity is still scant. The Mediterranean basin has been proposed as a hot spot of terrestrial and coastal marine biodiversity but has been supposed to be impoverished of deep-sea species richness. We summarized all available information on benthic biodiversity (Prokaryotes, Foraminifera, Meiofauna, Macrofauna, and Megafauna) in different deep-sea ecosystems of the Mediterranean Sea (200 to more than 4,000 m depth), including open slopes, deep basins, canyons, cold seeps, seamounts, deep-water corals and deep-hypersaline anoxic basins and analyzed overall longitudinal and bathymetric patterns. We show that in contrast to what was expected from the sharp...
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Ano: 2010 URL: http://archimer.ifremer.fr/doc/00011/12206/8974.pdf
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The contribution of deep-sea macrohabitat heterogeneity to global nematode diversity ArchiMer
Vanreusel, Ann; Fonseca, Gustavo; Danovaro, Roberto; Da Silva, Maria Cristina; Esteves, Andre M.; Ferrero, Tim; Gad, Gunnar; Galtsova, Valentina; Gambi, Cristina; Genevois, Veronica Da Fonseca; Ingels, Jeroen; Ingole, Baban; Lampadariou, Nikolaos; Merckx, Bea; Miljutin, Dmitry; Miljutina, Maria; Muthumbi, Agnes; Netto, Sergio; Portnova, Daria; Radziejewska, Teresa; Raes, Maarten; Tchesunov, Alexei; Vanaverbeke, Jan; Van Gaever, Saskia; Venekey, Virag; Bezerra, Tania Nara; Flint, Hannah; Copley, John; Pape, Ellen; Zeppilli, Daniela; Martinez, Pedro Arbizu; Galeron, Joelle.
The great variety of geological and hydrological conditions in the deep sea generates many different habitats. Some are only recently explored, although their true extent and geographical coverage are still not fully established. Both continental margins and mid-oceanic seafloors are much more complex ecologically, geologically, chemically and hydrodynamically than originally thought. As a result, fundamental patterns of species distribution first observed and explained in the context of relatively monotonous slopes and abyssal plains must now be re-evaluated in the light of this newly recognized habitat heterogeneity. Based on a global database of nematode genus composition, collected as part of the Census of Marine Life, we show that macrohabitat...
Tipo: Text Palavras-chave: Biodiversity; Census of marine life; Deep sea; Habitat heterogeneity; Meiofauna; Nematode genera.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00002/11280/11783.pdf
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