If you're collecting sea shells at the beach this summer and wondering what they are, NIWA is here to help.

NIWA's mission is to conduct leading environmental science to enable the sustainable management of natural resources for New Zealand and the planet.

These datasets are available in a range of formats.

This project demonstrates how to assess high value alternative land-use options by means of a quantitative analysis of the growing potential of selected niche crops and tree species.

Piharau/kanakana are an important mahinga kai species and a prized delicacy for many Māori.

There are two methods to determine visual clarity in SHMAK; the clarity tube (or SHMAK tube) and the black disc method.

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

Most of this climate zone is characterised by cool coastal breezes, and absence of shelter from the unsettled weather that moves over the sea from the south and southwest.

A range of physical and chemical variables are measured in the NRWQN.