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Habitat

The Service provides advice on a range of environmental issues relating to inland fisheries management, including artificial in-stream barriers (dams, weirs and culverts), habitat destruction and restoration, ecological studies, and water quality degradation and assessment.

The Service provides advice on a range of environmental issues relating to inland fisheries management, including artificial in-stream barriers (dams, weirs and culverts), habitat destruction and restoration, ecological studies, and water quality degradation and assessment.

A main focus is to provide specific and technical advice to other government agencies, the private sector and community groups regarding fish and fish habitat, and fisheries management requirements.

Macro-invertebrates refers to a whole range of different species of 'bugs' that live or spend part of their life cycle in water. They are an ideal way to gauge the 'health' of rivers and streams. Different species of invertebrates show various levels of sensitivity to deterioration in water and habitat quality. Generally the poorer the quality of the water, the less diversity of invertebrates that will be found. Some of the more sensitive include mayflies, stoneflies, caddisflies, dragon and damsel flies. Beetles, water boatmen and shrimp tend to have moderate tolerance, and the more tolerant (can survive poorer water quality) include snails, worms, chironomids, blackfly and mosquito larvae.