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    Author(s): Leslie M. ReidMichael J. Furniss
    Date: 1998
    Source: Unpublished report. USDA Forest Service, Redwood Sciences Laboratory, Arcata, California. 24 p.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (89 KB)

    Description

    Abstract - State-of-the-art approaches to ecosystem management recognize that different impact mechanisms produce different impacts in different watersheds, so the approaches are designed to provide different management prescriptions in different areas. Despite this level of understanding, there remains a widespread desire to identify a suite of indicators of lotic ecosystem ""health"" that are applicable regionally or nationally, and geomorphological attributes of channel form and character have frequently been selected to fill this need. Such attributes, however, often do not satisfy the minimum requirements for a useful environmental indicator. Channel form usually responds slowly to changes in driving variables, the nature of the response differs greatly over small distances, a change in channel form cannot be readily interpreted to infer cause, and trends in channel condition are not necessarily associated with trends in lotic ecosystem condition.

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    Citation

    Reid, Leslie M.; Furniss, Michael J. 1998. On the use of regional channel-based indicators for monitoring. Unpublished report. USDA Forest Service, Redwood Sciences Laboratory, Arcata, California. 24 p.

    Keywords

    PSW4351, watersheds, monitoring, lotic ecosystems, natural variability, geomorphology, cumulative impacts, Pacific salmon, indicator variable

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