Atmospheric analysis

Urbanisation has changed the face of many waterways that flow through urban areas

Trees are grown and converted into a range of useful timber and paper products.

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

Identifying biological factors that may be limiting fish numbers requires sampling to ensure that key invertebrate prey species are not scarce and that pest fish, especially predators, are not abundant.

RV Tangaroa is New Zealand’s only ice strengthened and dynamically positioned deep-water research vessel.

Follow NIWA's scientists as they explore the natural world, make new discoveries and share how people use their science.

Waikato exhibits a range of climates due to the variety of landscapes in the region.

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

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?

NIWA has developed a powerful software tool for the analysis of water quality data.

Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer.