Scale dependent effects of predatory fish on stream benthos

Article Abstract:

The effects of sculpins on benthic prey in instream channels that allow prey exchange with the surrounding unmanipulated habitat is tested with a mechanistic scaling model. Analysis of the parameterized model suggested that the densities of most prey taxa were controlled by prey movements and not by consumption by the sculpins.

United States, Commercial Fishing, Fishing, Behavior, Fishes, Predation (Biology), Predatory animals, Animal feeding behaviour, Animal feeding behavior

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Dynamics of aquatic insect flux affects distribution of riparian web-building spiders

Article Abstract:

The effects of aquatic insect dynamics on spider distribution are examined. The distributional patterns of riparian web-building spiders are determined by the temporal dynamics of aquatic insect flux and by spider characteristics.

Influence, Varieties, Spiders, Insects, Aquatic, Aquatic insects

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