Atmospheric analysis

Many of our iconic native fish species, such as whitebait and eels, rely on river flows to cue key life-cycle stages, including migration and reproduction. As pressures on water resources increase, the risk of disrupting these flow cues, and therefore impacting fish populations, becomes greater.

Approved by the United Nations Commission on the Limits of the Continental Shelf, New Zealand was made sovereign over 1.7 million square kilometres of seafloor

Baffle design to facilitate fish passage through culverts

Ramp design to facilitate fish passage

NIWA scientists have been investigating the different capabilities of our native freshwater fish species in order to help design effective solutions for overcoming barriers to migration

A NIWA scientist with an international reputation as an outstanding leader in marine ecological field experiments was last night awarded the prestigious New Zealand Marine Sciences Society (NZMSS) Award.

A series of low pressure systems will trek across the Tasman from tonight into the weekend, resulting in locally heavy rain and the potential for flooding and slips for the east of the North Island.

At the edge of the advancing winter sea ice in the Ross Sea, a first-ever winter fisheries survey has uncovered new secrets of the Antarctic toothfish.

Marine scientists are proving they know that it takes good bait to catch a big audience.

The discovery of diaries of an English missionary living in Northland in the 1800s reveals him as New Zealand’s first meteorologist.

The first six months of 2016 are set to be the warmest ever start to the year, according to NIWA’s long-term seven-station temperature series.