The influence of productivity and width of littoral zone on the trophic position of a large-bodied omnivore

Abstract

Omnivory is common in many food webs. Omnivores in different habitats can potentially change their feeding behaviour and alter their trophic position and role according to habitat conditions. Here we examine the trophic level and diet of the omnivorous signal crayfish (Pacifastacus leniusculus) in gradients of trophic status and lake size, both of which… (More)
DOI: 10.1007/s00442-008-1019-9

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