Assessment of pollution-control measures in the Kaiapoi River, Canterbury, New Zealand

Toshach, S. C.

Abstract

Improvement of water quality on the basis of biological and chemical assessment is evident in the Upper Kaiapoi River following the installation of a pollution-control plant. A change in the macroinvertebrate community composition, measured using diversity indices, was found to be a useful indicator of the improvement in water quality. The use of legislation to effect an improvement in water quality and reallocation of water resource use is discussed.

Keywords

Kaiapoi River; pollution control; water quality improvement; biological assessment; chemical assessment; water resource use; macroinvertebrate community

Fields of Research

090508 Water Quality Engineering; 060204 Freshwater Ecology; 050205 Environmental Management; 060808 Invertebrate Biology

Date

1976

Type

Thesis

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