Does trophic position of the omnivorous signal crayfish (Pacifastacus leniusculus) in a stream food web vary with life history stage or density?

Bondar, Carin A ; Bottriell, K ; Zeron, K ; Richardson, John S

Canadian journal of fisheries and aquatic sciences, 2005-11, Vol.62 (11), p.2632-2639 [Periódico revisado por pares]

Ottawa, Canada: NRC Research Press

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