Atmospheric analysis

Inanga are the predominant species in the modern whitebait fishery.

Impacts of timber processing activities on water quality and mahinga kai.

In this activity you will analyse the Southern Oscillation Index and investigate the chances of getting below normal, normal or above normal summer temperatures in Invercargill.

Extremes of temperature are rare as the Chatham Islands are small land masses surrounded by sea.

New Zealand faces a variety of hazards associated with undersea geological activity.

Links to related resources and websites

NIWA expends considerable effort on determining the age of commercial fish species. But why age a fish? And how do we do it?

Find out more about free floating species.

How can we help you?

River floods occur when water spills from a river channel onto land that is normally dry, and are one of New Zealand's costliest natural hazards.

Downloadable and printable guides on identification of common freshwater invertebrates found in New Zealand waterways and lakes.

Common questions about storms and cyclones in New Zealand.