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Title: Cow manure in headwater streams: Tracing aquatic insect responses to organic enrichment

Journal: Journal of the North American Benthological Society

Authors: R. B. Del Rosario, E. A. Betts, and V. H. Resh

Date: 2002

Summary: The response of aquatic insect populations to manure inputs in stream channels was measured in two distinct California stream systems in the Coastal (37˚ 57’ N; 122˚ 43’ W) and Sierra Nevada (38˚ 55’ N; 120˚ 40’ W) mountain ranges. Three treatments varying the levels of manure input were applied to each stream (manure-enriched, placebo-experimental manipulation without manure-enrichment, and control). Manure was deposited into streams weekly for 8 weeks and was typical of manure deposited by 6 cows in one day (14 kg ...

Agrovoc Control Words: Riparian zones, Grazing, Aquatic insects

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