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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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one publication added to basket [106988]

Community structure and temperature dynamics within a mussel assemblage on the southern East Pacific Rise Sarrazin, J.; Walter, C.; Sarradin, P.-M.; Brind'Amour, A.; Desbruyères, D.; Briand, P.; Fabri, M.-C.; Van Gaever, S.; Vanreusel, A.; Bachraty, C.; Thiébaut, E. (2006). Community structure and temperature dynamics within a mussel assemblage on the southern East Pacific Rise. Cah. Biol. Mar. 47(4): 483-490. https://dx.doi.org/10.21411/CBM.A.3E05E5EC In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723; e-ISSN 2262-3094, meer Ook verschenen in: Felbeck, H.; Bartlett, D.H. (Ed.) (2006). Third International Symposium on Hydrothermal Vent and Seep Biology, La Jolla, USA, September 12-16, 2005. Cahiers de Biologie Marine, 47(4). Station Biologique de Roscoff: Roscoff. 331-505 pp., meer

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Beschikbaar in	Auteurs
VLIZ: Open access 289416 [ download pdf ]

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Trefwoorden

Biodiversity Population characteristics > Biomass Properties > Physical properties > Thermodynamic properties > Temperature Bathymodiolus thermophilus Kenk & B. R. Wilson, 1985 [WoRMS] INE, East Pacific Rise [Marine Regions] Marien/Kust

Author keywords

hydrothermal vents; mussel assemblage; Bathymodiolus thermophilus; diversity; biomass; temperature dynamics; East Pacific Rise

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Auteurs		Top
Sarrazin, J., meer Walter, C. Sarradin, P.-M. Brind'Amour, A.	Desbruyères, D., meer Briand, P. Fabri, M.-C., meer Van Gaever, S., meer	Vanreusel, A., meer Bachraty, C. Thiébaut, E., meer

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Abstract

The composition, biomass and diversity of the fauna in a Bathymodiolus thermophilus mussel assemblage colonizing diffuse flow areas on the SEPR is described and compared with biological characteristics of other hydrothermal assemblages. The spatio-temporal dynamics of temperatures over fine scales within the mussel habitat are characterized using newly-developed statistical approaches. Temperature data obtained from two adjacent habitats (a cirriped assemblage and a bare substratum) are compared. The results of the temperature data show that the mean temperature and the temperature variations were significantly higher in the mussel assemblage (mean temperature: 4.12 +/- 1.85°C) in comparison with 2.40 +/- 0.14°C in the cirriped assemblage and 2.20 +/- 0.23°C on the bare substratum. Discrete temperature measurements showed that temperature data varied both at a broad and fine scales in the mussel assemblage. Finally, analysis of the temperature periodic variability in the mussel assemblage during a 4-day period showed significant periodic modulations near T = 24h. Although not significant, a second trend is also observed around T = 12h. This work represents a step forward to the understanding of species distribution patterns at vents.

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