Tagged: kokopu

Effects of water quality on freshwater fish - Waiology

Waiology Oct 29, 2013

By David Rowe The presence and abundance of fish in our rivers depends on many factors, water quality being one. Water temperature, the amount of oxygen dissolved in the water, acidity (pH), ammonia concentration, and suspended sediment level can all influence the suitability of water for fish. When changes in land-use occur in river catchments, or pollutants enter waterways, … Read More