Today's UV Index

Kōaro are excellent climbers and like clear, swiftly flowing, forested streams.

We sponsor regional science and technology fairs around New Zealand and support learning programmes that bring science into the classroom.

These datasets are available in a range of formats.

The climate of this zone is largely dependent on the lie of the Southern Alps to the west, but many areas are also sheltered by high country to the south and east.

Due to its position in the 'Roaring Forties', a belt of strong winds in the Southern Hemisphere which generally occur between the latitudes of 40 and 49 degrees, as well as its small size, New Zealand is a windy country.

All species of freshwater tuna spawn at sea, although the spawning grounds of only four species are known with certainty worldwide.

NIWA operates about 30 other Maritime New Zealand-certified vessels based at Bream Bay, Auckland, Hamilton, Rotorua, Turangi, Wellington, Nelson, Greymouth, Tekapo, Christchurch, and Dunedin.

NIWA's research on freshwater monitoring and reporting is one of three research areas within the 'Values, Monitoring and Outcomes' (VMO) programme led by Landcare Research.

How do hydro-electricity activities potentially influence waterway temperatures?