Freshwater

Damming water for urban use, hydro-electric power generation, irrigation, and other industrial and commercial uses.

How do agricultural activities potentially influence water flows?

Some simple steps to minimise the effects of aquaculture activities on water quality and mahinga kai.

One of the most common species of freshwater fish in Aotearoa is the common bully or toitoi.

Water clarity or turbidity is the cloudiness or haziness in a fluid caused by individual small particles (suspended solids).

Trees are grown and converted into a range of useful timber and paper products.

Find out more about our water quality tools.

We have prepared a breakdown of the different guidelines that are available for sampling freshwater fisheries. The overview provides links to key documents that explain what should be considered when designing fish monitoring studies and how to implement the various sampling techniques.

Mining is the extraction of metal and mineral resources, such as gold, coal, petroleum, and ironsand

What are the impacts of water dams on water quality and mahinga kai?

Tuna or freshwater eels are a very significant, widely-valued, heavily-exploited, culturally iconic mahinga kai resource.

How may the activities of the mining industry influence water resources?