FEEDBACK AND STRUCTURE IN DEPOSIT-FEEDING MARINE BENTHIC COMMUNITIES

作者: J.S. Levinton , G.R. Lopez , H. Heidemann Lassen , U. Rahn

DOI: 10.1016/B978-0-08-021378-1.50046-4

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摘要: ABSTRACT We show that feeding on detritus by the amphipod Orchestia grillus enhances microbial growth and detrital mineralization. Pellet egestion breakdown rates are measured for deposit-feeding gastropod Hydrobia minuta . Feeding ceases when sediment is mostly pelletized. A model assuming fecal pellet as a controlling factor populations developed predicts densities compatible with field observations.

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