Biodiversity: bridging the gap between condition and conservation

Simon Linke, Richard Norris

    Research output: Contribution to journalArticle

    19 Citations (Scopus)

    Abstract

    The aim of this study is to create a two-tiered assessment combining restoration and conservation, both needed for biodiversity management. The first tier of this approach assesses the condition of a site using a standard bioassessment method, AUSRIVAS, to determine whether significant loss of biodiversity has occurred because of human activity. The second tier assesses the conservation value of sites that were determined to be unimpacted in the first step against a reference database. This ensures maximum complementarity without having to set a priori target areas. Using the reference database, we assign site-specific and comparable coefficients for both restoration (Observed/Expected taxa with >50% probability of occurrence) and conservation values (O/E taxa with <50%, rare taxa). In, a trial on 75 sites on rivers around Sydney, NSW, Australia we were able to identify three regions: (1) an area that may need restoration; (2) an area that had a high conservation value and; (3) a region that was identified as having significant biodiversity loss but with high potential to respond to rehabilitation and become a biodiversity hotspot. These examples highlight the use of the new framework as a comprehensive system for biodiversity assessment
    Original languageEnglish
    Pages (from-to)203-211
    Number of pages9
    JournalHydrobiologia: the international journal on limnology and marine sciences
    Volume500
    Issue number1
    DOIs
    Publication statusPublished - 2003

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    biodiversity
    biological assessment
    complementarity
    anthropogenic activities
    human activity
    rivers
    river
    restoration
    loss
    methodology

    Cite this

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    Biodiversity: bridging the gap between condition and conservation. / Linke, Simon; Norris, Richard.

    In: Hydrobiologia: the international journal on limnology and marine sciences, Vol. 500, No. 1, 2003, p. 203-211.

    Research output: Contribution to journalArticle

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    AU - Norris, Richard

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