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    Author(s): C. Andrew Dolloff; David G. Hankin; Gordon H. Reeves
    Date: 1993
    Source: Gen. Tech. Rep. SE-83. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 25 p.
    Publication Series: General Technical Report (GTR)
    Station: Southeastern Forest Experiment Station
    PDF: View PDF  (5.0 MB)

    Description

    Basinwide visual estimation techniques (BVET) are statistically reliable and cost effective for estimating habitat and fish populations across entire watersheds. Survey teams visit habitats in every reach of the study area to record visual observations. At preselected intervals, teams also record actual measurements. These observations and measurements are used to compute calibration ratios that correct for observer bias. This publication introduces modifications of the original BVET protocols and provides examples and practical instructions for use by resource managers.

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Dolloff, C. Andrew; Hankin, David G.; Reeves, Gordon H. 1993. Basinwide Estimation of Habitat and Fish Populations in Streams. Gen. Tech. Rep. SE-83. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 25 p.

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    Keywords

    Visual observations, sampling for trout, diving, electrofishing, monitoring, area measurements on watersheds

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