Physical Habitat Evaluation of Small Stream Fishes: Point vs. Transect, Observation vs. Capture Methodologies
作者:
JohnN. Rinne,
期刊:
Journal of Freshwater Ecology
(Taylor Available online 1985)
卷期:
Volume 3,
issue 1
页码: 121-131
ISSN:0270-5060
年代: 1985
DOI:10.1080/02705060.1985.9665098
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Physical habitat data (velocity and depth of water, and percentage substrate composition) for several southwestern fishes collected by point and transect methodologies were similar. Velocity estimates showed less agreement and greatest variation. Choice of direct observation or capture by electrofishing as methods to locate fishes for habitat evaluation is problematic. Fish location techniques may induce more error in measurement of habitat than do different habitat evaluation techniques.
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