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Colonization of synthetic sponges at the deep-sea Lucky Strike hydrothermal vent field (Mid-Atlantic Ridge): a first insight ArchiMer
Baldrighi, Elisa; Zeppilli, Daniela; Crespin, Rosalie; Chauvaud, Pierre; Pradillon, Florence; Sarrazin, Jozee.
The main objective of the present study was to investigate invertebrate colonization processes at deep-sea hydrothermal vents in response to environmental factors and to the presence of complex artificial substrata (i.e., synthetic sponges). We set out a pilot experiment at 1700 m depth on the Lucky Strike vent field (Eiffel Tower, Mid-Atlantic Ridge). Synthetic sponges were deployed in 2011 at five sites along a gradient of hydrothermal activity and were recovered in 2013, and the composition of macro- and meiofauna was assessed on four of them. The influence of temperature and fluid inputs on colonizer faunal abundance and diversity was analyzed. Faunal abundance and diversity decreased with increasing distance from vent emission. The colonizers were...
Tipo: Text Palavras-chave: Synthetic sponges; Colonization; Lucky Strike; Meiofauna; Macrofauna; Substratum type.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00410/52135/52937.pdf
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