Find out more about submerged aquatic plant species.

Instrument Systems is a specialised technology-focused consulting group within NIWA.

A list all of New Zealand's freshwater fish species.

Whitebait are the juveniles of five species of galaxiidae, a family of fish confined to the Southern Hemisphere.

West Coast is New Zealand’s wettest region, and this may be attributed to its exposure to the predominant westerly airflow over the country, combined with the orographic effect of the Southern Alps.

Chemical contaminants are chemicals toxic to plants and animals in waterways.

Tuna are found in all sorts of habitats (places), including coastal estuaries, lakes, wetlands, rivers, mountain streams and even alpine tarns.

The current method for calculating wind speed-up is inadequate, and can grossly under-predict correct design wind speeds in NZ's complex terrain.

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

These datasets are available in a range of formats.

An illustrated example, showing how to input data and interpret SolarView results.