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Provedor de dados:  5
País:  France
Título:  Astronomical and atmospheric impacts on deep-sea hydrothermal vent invertebrates
Autores:  Lelievre, Yann
Legendre, Pierre
Matabos, Marjolaine
Mihaly, Steve
Lee, Raymond W.
Sarradin, Pierre-marie
Arango, Claudia P.
Sarrazin, Jozee
Data:  2017-04
Ano:  2017
Palavras-chave:  Deep-sea observatory
Hydrothermal vents
Macrofaunal abundance
Surface storms
Ocean tides
Time-series analysis
Resumo:  Ocean tides and winter surface storms are among the main factors driving the dynamics and spatial structure of marine coastal species, but the understanding of their impact on deep-sea and hydrothermal vent communities is still limited. Multidisciplinary deep-sea observatories offer an essential tool to study behavioural rhythms and interactions between hydrothermal community dynamics and environmental fluctuations. Here, we investigated whether species associated with a Ridgeia piscesae tubeworm vent assemblage respond to local ocean dynamics. By tracking variations in vent macrofaunal abundance at different temporal scales, we provide the first evidence that tides and winter surface storms influence the distribution patterns of mobile and non-symbiotic hydrothermal species (i.e. pycnogonids Sericosura sp. and Polynoidae polychaetes) at more than 2 km depth. Local ocean dynamics affected the mixing between hydrothermal fluid inputs and surrounding seawater, modifying the environmental conditions in vent habitats. We suggest that hydrothermal species respond to these habitat modifications by adjusting their behaviour to ensure optimal living conditions. This behaviour may reflect a specific adaptation of vent species to their highly variable habitat.
Tipo:  Text
Idioma:  Inglês
Identificador:  http://archimer.ifremer.fr/doc/00380/49122/49554.pdf

DOI:10.1098/rspb.2016.2123

http://archimer.ifremer.fr/doc/00380/49122/
Editor:  Royal Soc
Formato:  application/pdf
Fonte:  Proceedings Of The Royal Society B-biological Sciences (0962-8452) (Royal Soc), 2017-04 , Vol. 284 , N. 1852 , P. 20162123 (1-10)
Direitos:  2017 The Author(s) Published by the Royal Society. All rights reserved.

info:eu-repo/semantics/openAccess

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