Freshwater

Submerged plants have a number of advantages that favour their use as indicators of lake ecological condition.

Links to related resources and websites

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?

A hot and steamy summer saw Kiwis heading down to rivers and lakes to cool off. But they weren’t the only ones enjoying the warmer weather – algae had a great time too.

Tuna, or freshwater eels, are the most widespread freshwater fish in New Zealand. This 'living' educational resource summarises a large amount of scientific and technical literature.

An overview of what the SHMAK kit comprises, and various uses for it.

Wood chips and plant material make pulp that is used to produce paper products.

NIWA provides national capabilities in Water Quality Monitoring.

A range of different mining techniques have been developed to obtain these valuable resources