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Water detectives: Macro-Invertebrata as Indicator for Water Quality in the Way Petai River, Sumber Jaya

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The Way Petai River provides a lot of local services ranging from the provision of fish, household water, bathing, washing clothes, irrigation and playground for children. Maintaining a reasonable good water quality is important for most of these uses. One way to assess water quality is to quantify abundance and diversity of macro-invertebrates. (Macro-invertebrata are invertebrate animals visible to the naked eye (> 0.5 mm), such as insects, worms, crustaceae.) Various groups of macroinvertebrates have different tolerance to variations in water quality and can thus be used as indicator.

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