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Classification of a Malaysian river using biological indices: a preliminary attempt

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  • Siaw-Yang Yap

    (University of Malaya)

Abstract

Local biota and their ecological attributes as indicators of changing conditions in aquatic ecosystems were used to classify the Bernam River, Malaysia. A biological diversity index and a pollution index were adopted for comparison purposes, namely the Shannon–Weaver diversity index and the saprobic system concept of Kolkwitz and Marsson. The collected data on phytoplankton communities and the dissolved oxygen and nitrate concentrations permitted a comparative evaluation of the two indices in assessing the ecosystem health of the river. The Shannon–Weaver diversity index approach appeared to give interesting and interpretable classification results, as compared with the saprobic condition index. The study illustrates how ecological knowledge may be used in the integrated management of natural river environments. However, the identifed areas of uncertainty and practicability of the developed biological scheme need to be considered critically.

Suggested Citation

  • Siaw-Yang Yap, 1997. "Classification of a Malaysian river using biological indices: a preliminary attempt," Environment Systems and Decisions, Springer, vol. 17(2), pages 79-86, June.
    • Handle: RePEc:spr:envsyd:v:17:y:1997:i:2:d:10.1023_a:1018539630694
    DOI: 10.1023/A:1018539630694
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