Atmospheric analysis

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

A collection of ID guides to algae. Groups include major freshwater algal groups, diatoms and blue-green (cyanobacteria), red and green algae.

Find out more about submerged aquatic plant species.

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

The topography of the North Island has a profound effect on the weather of the Bay of Plenty region.

NIWA's Hydro Web Portal provides river flow and water quality monitoring data from NIWA’s Benchmark river monitoring network.

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

Maps of average annual rainfall, temperature and other climate variables have been produced for all of New Zealand, based on the period 1981–2010.

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

Find out more about working at NIWA

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