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Title: Food web analysis of meiobenthos in estuarine seagrss bed.
Authors: Vafeiadou, Anna-Maria
Materatski, Patrick
Adao, Helena
De Troch, Marleen
Moens, Helena
Keywords: Meiofauna
benthic Nematodes
Food web
stable isotopes
Issue Date: 22-Jul-2013
Publisher: 15th International Meiofauna Conference, 22-26 July, Hanyang, Korea
Citation: Vafeiadou, A.-M., P. Materatski, H. Adão, M. de Troch,T. Moens, T., 2013. Food web analysis of meiobenthos in estuarine seagrss bed. 15th International Meiofauna Conference, 22-26 July, Hanyang, Korea, S09-OP05
Abstract: This study examines the resource use and trophic position of nematodes and harpacticoid copepods at a genus/species level in an estuarine food web in Zostera noltii beds and in adjacent sediments, using natural abundances of stable carbon and nitrogen isotopes. Microphytobenthos is among the main resources of most taxa, but seagrass-associated resources also contribute to meiobenthos nutrition, with seagrass detritus being available also in deeper sediments and in unvegetated patches close to seagrass beds. A predominant reliance on chemoautotrophic bacteria was demonstrated for the nematode Terschellingia and the copepod family Cletodidae.
Type: lecture
Appears in Collections:BIO - Comunicações - Em Congressos Científicos Internacionais

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