Understanding climate and climate change.

Some simple steps to minimise the effects of aquaculture activities on water quality and mahinga kai.

Some simple steps to minimise the effects of wastewater on water quality and mahinga kai.

Descriptions of the common terms that explain the processes that occur in hydrology.

Raglan B Cam-era station

Currently, the most reliable method to estimate the age of tuna is by examination of their otoliths or "ear bones"

A monthly summary of the climate in the tropical South Pacific islands, with an outlook for the coming months.

New Zealand’s coast is sculpted by ocean waves. Some wave conditions bring joy to surfers and beachgoers, but, at other times, waves can cause major hazards at sea or along the shore.

Short-term to long-term data estimation