One of the most common species of freshwater fish in Aotearoa is the common bully or toitoi.

What are the impacts of water dams on water quality and mahinga kai?

Hull-mounted on the RV Tangaroa, the EM302 multibeam echosounder maps the seafloor using a fan of 288 acoustic beams, producing up to 864 soundings per ping in dual swath mode, providing 100% coverage of the seabed.

The current method for calculating wind speed-up is inadequate, and can grossly under-predict correct design wind speeds in NZ's complex terrain.

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

Understanding climate and climate change.

Drought is a common feature of New Zealand's climate. On average, every year or two somewhere in New Zealand experiences a drought.

Post-Doctoral Fellowship positions at NIWA.

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