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

Find out more about submerged aquatic plant species.

What are the sources of chemical contamination from wood processing?

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

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

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

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

Monthly climate summaries from December 2001 to the present.

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

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

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

Find out more about working at NIWA