ORBi: Pete Dorothée - Fish farm impacts on Posidonia oceanica meadows: interest of the microbenthic loop.

Reference : Fish farm impacts on Posidonia oceanica meadows: interest of the microbenthic loop.


	Document type :	Scientific congresses and symposiums : Poster
	Discipline(s) :	Life sciences : Microbiology Life sciences : Environmental sciences & ecology Life sciences : Aquatic sciences & oceanology
	To cite this reference:	http://hdl.handle.net/2268/8025

Title :	Fish farm impacts on Posidonia oceanica meadows: interest of the microbenthic loop.
Language :	English
Author, co-author :	Pete, Dorothée [Université de Liège - ULg > Département des sciences et gestion de l'environnement > Océanologie >]
	Velimirov, Branko [Medizinische Universität Wien > General Microbiology]
	Bouquegneau, Jean-Marie [Université de Liège - ULg > Département des sciences et gestion de l'environnement > Océanologie >]
	Gobert, Sylvie [Université de Liège - ULg > Département des sciences et gestion de l'environnement > Océanologie >]
Publication date :	Jan-2009
Page number :	A0
On invitation :	No
Audience :	International
Event name :	ASLO Aquatic Science Meeting 2009
Event date :	du 25 au 30 janvier 2009
Event organizer :	American Society of Limnology and Oceanography
Event place (city) :	Nice
Event country :	France
Keywords :	[en] fish farm ; seagrass ; microbenthic loop
Abstract :	[en] Posidonia oceanica, the seagrass endemic to the Mediterranean Sea, is a valuable tool to assess the environmental quality in coastal zones. However, only few studies have attempted to use characteristics of its sediment compartment as an indicator of environmental perturbations. In this study, the impact of a fish farm on the microbenthic loop (organic matter, bacteria, microphytobenthos and meiofauna) of P. oceanica meadows will be described. Samples were taken under an aquaculture situated in Calvi Bay (Corsica, France) at a depth of 22 m, in March and June 2008. The control site was the meadow situated in front of the research station STARESO (Calvi Bay, Corsica, France), sampled at the same periods and depth. Results concerning bacteria, microphytobenthos and organic matter will be presented here. For both seasons, differences between sites exist. For example, biomasses of organic matter, microphytobenthos and bacteria are higher in the fish farm than in the control site, indicating that the microbenthic loop has potential to be a good early indicator of pollution in this sea.
Funders :	Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Name of the research project :	Utilisation de l'exergie pour mesurer et détecter les effets des perturbations affectant les herbiers à Posidonia oceanica (L.) Delile: caractérisation au sein du compartiment sédimentaire.
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/2268/8025
Other URL :	http://www.aslo.org/meetings/nice2009/
Mentions required by the publisher for OA :	Abstract book available on http://www.aslo.org/meetings/nice2009/.

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Open access	posterASLO23-1-9.pdf		Publisher postprint	260.86 kB	View/Open

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