Atmospheric analysis

These datasets are available in a range of formats.

These gather top-quality data and are used throughout New Zealand in the National Climate Network.

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.

Find out more about emergent aquatic plants.

The Statement of Core Purpose spells out why the Government owns Crown Research Institutes and what it expects from them.

Here are some simple steps to minimise the effects of dairying on water quality and mahinga kai.

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

As this region is sheltered by high country to the south and east, it has less wind than many other parts of New Zealand.

New Zealand's first eel farm was established in 1971. Despite other farms opening in later years, no eel farms remained by the start of the 1980s.

NIWA collects a vast range of environmental information about New Zealand’s environment from the sky to the seafloor.