Reference : The role of benthic amphipods in Antarctic trophodynamics: a multidisciplinary study

	Document type :	Scientific congresses and symposiums : Unpublished conference
	Discipline(s) :	Life sciences : Zoology
	To cite this reference:	http://hdl.handle.net/2268/71720

Title :	The role of benthic amphipods in Antarctic trophodynamics: a multidisciplinary study
Language :	English
Author, co-author :	Nyssen, Fabienne [Université de Liège - ULg > Département des sciences et gestion de l'environnement > Systématique et diversité animale >]
	Graeve, Martin [Alfred Wegener Institute for Polar and Marine Research > Marine Chemistry > > >]
	Brey, Thomas [Alfred Wegener Institute for Polar and Marine Research > Marine Ecology > > >]
Publication date :	Jul-2002
Audience :	International
Event name :	4th European Crustacean Conference
Event date :	July 2002
Event place (city) :	Lodz
Event country :	Poland
Abstract :	[en] Long-term controlled feeding experiments have been performed with four Antarctic amphipod species. For several weeks three scavenger and one herbivore species (Abyssorchomene plebs, Pseudorchomene coatsi, Waldeckia obesa and Djerboa furcipes, respectively) have been fed ad libitum with an isotopically known food. The aim of those experiments was primarily to determine the isotopic fractionation factor between animals and diet. Secondly, turnover rates of tissues have been estimated by following their isotopic ratios evolution due to the shift of the food. Comparison has been made between herbivore and scavenger species. Such experimental data are necessary to improve isotope-based trophic models.
Target :	Researchers ; Students
Permalink :	http://hdl.handle.net/2268/71720

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