Application of semi-quantitative electrofishing to juvenile salmonid stock surveys

Autor:	G. J. A. Kennedy, W. W. Crozier
Rok vydání:	1994
Předmět:	Fishery Brown trout Stock assessment Electrofishing biology Fishing Juvenile Aquatic Science Salmo biology.organism_classification Semi quantitative Ecology Evolution Behavior and Systematics Stock (geology)
Zdroj:	Journal of Fish Biology. 45:159-164
ISSN:	1095-8649 0022-1112
DOI:	10.1111/j.1095-8649.1994.tb01293.x
Popis:	A semi-quantitative electrofishing technique is described, which has applications for assessing distribution and densities of 0+ salmonids in streams. Linear regressions of logarithmically-transformed data satisfactorily described the relationship between numbers of 0+ Atlantic salmon (Salmo salar L.) and 0+ brown trout (Salmo trutta L.) captured in a standard 5 min fishing and quantitative population estimates obtained using a commonly used method. Applications of the semi-quantitative technique to management are discussed and a categorization system proposed.
Databáze:	OpenAIRE
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