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Smelt
Smelt have a distinctly forked tail and a strong cucumber smell. -
What do we measure?
Research ProjectA range of physical and chemical variables are measured in the NRWQN. -
Stream Health Monitoring and Assessment Kit
ServiceHow healthy is your stream? SHMAK - the New Zealand Stream Health Monitoring and Assessment Kit - has been designed to help you find out. -
Toitoi
One of the most common species of freshwater fish in Aotearoa is the common bully or toitoi. -
Nutrients and wastewater
How do nutrients from wastewater treatment enter waterways? -
Dissolved oxygen
Dissolved oxygen (DO) is a relative measure of the amount of oxygen (O2) dissolved in water. -
Tuna
Tuna or freshwater eels are a very significant, widely-valued, heavily-exploited, culturally iconic mahinga kai resource. -
Water Quality Monitoring Capabilities
Research ProjectNIWA provides national capabilities in Water Quality Monitoring. -
Mahinga kai and migration
A high proportion of New Zealand’s native freshwater fish fauna need to migrate to and from the sea. -
Summer Series 8: The forces behind beach ‘foam’
News article06 June 2017 -
Proud of your plants? 1 June 2017
News article01 June 2017NIWA is doing a nationwide study to discover what makes the best riparian projects. Help us give you the knowledge to make the best riparian management decisions possible by taking our 5 minute survey.