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Our Dargaville Service Centre will be closed to the public on Friday, 1 December from 12:00pm (midday).

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Drivers of macroinvertebrate communities in Northland streams

This report by NIWA tries to identify the environmental drivers (including river water quality, flow regime, habitat quality, drought condition, and nutrient thresholds) of macroinvertebrate communities in rivers and streams of Northland.