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Biogenic reefs affect multiple components of intertidal soft-bottom benthic assemblages: The Lanice conchilega case study ArchiMer
De Smet, Bart; D'Hondt, An-sofie; Verhelst, Pieterjan; Fournier, Jerome; Godet, Laurent; Desroy, Nicolas; Rabaut, Marijn; Vincx, Magda; Vanaverbeke, Jan.
Biogenic reefs composed of the tube-building polychaete Lanice conchilega are important from a conservation point of view because they noticeably increase the biodiversity in otherwise species poor environments. However, up to now, little or no attention has been paid to the intertidal epi- and hyperbenthic communities associated with the reefs. Therefore, this is the first study which focuses on the effect of L. conchilega reefs on the entire bentho-pelagic community at two different locations. Environmental variables were measured and macro-, epi- and hyperbenthic communities were sampled within a L. conchilega reef and a control area at two locations in France: the bay of the Mont Saint-Michel (BMSM) and Boulogne-sur-Mer (Boulogne). The effect of the...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00226/33764/32190.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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