Atmospheric analysis

Short-term to long-term data estimation

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

Stormwater is a major concern for New Zealand because of its potential effects on the ecological health of our urban streams and coastal waters, as well as on the economic, social and cultural value of these environments.

You can download these summaries in a range of formats.

Find out how you can have access to NIWA's research vessels to carry out marine research voyages.

How healthy is your stream? SHMAK - the New Zealand Stream Health Monitoring and Assessment Kit - has been designed to help you find out.

To prepare for changes in climate, our freshwater and oceans decision-makers need information on species vulnerability to climate change.

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

Tuna is a generic Māori word for freshwater eels. The word will be used interchangeably in this resource.

Biogas from pig farms

NIWA develops and supplies custom software for environmental analysis and modelling.