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.

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

Floods are not unusual in New Zealand, but those that hit us early this winter broke records. Why did they occur? Should we expect more? Can we predict future floods?

Understanding climate and climate change.

The Standardised Precipitation Index (SPI) is a simple measure of drought (and also of very wet conditions) and is based solely on the accumulated precipitation for a given time period.

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