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Freshwater mitigation systems
Effective systems to manage contaminant losses -
Stopping the gold clam: it's now or never
A NIWA-led programme to develop effective, and culturally-attuned strategies for managing the freshwater gold clam. -
Fish Passage
Understanding and supporting the migration of fish through New Zealand's freshwater habitats -
River flow forecasting
Research ProjectNIWA is developing a national river flow forecasting tool for New Zealand that aims to support and strengthen our planning for and response to extreme rainfall events. -
Freshwater Ecological monitoring
We offer a range of ecological monitoring tools. -
Restoration of aquatic ecosystems
Research ProjectThis project aims to increase our knowledge of aquatic ecosystems and their restoration, and apply this to degraded streams, rivers, lakes and estuaries. -
Programme update June 2025
In this update we report on research activities over the last three months in the field, the lab and the development of a new resource. -
International collaborations
NIWA hosted a visiting scientist, Dr Cao, from the Wuhan Botanic Gardens, Chinese Academy of Sciences over January and February 2025. -
Identifying the gold clam
Know your invasive gold clam from your native pea clam and kaakahi/kaaeo. -
Invasive gold clam and kaakahi population survey
Assessing depth specific distribution and relative abundance of gold clam and kākahi at Lakes Maraetai and Karaapiro. -
Using artificial samplers to test the presence and settlement of juvenile gold clams
Filter traps are being used to study the invasive gold clam in the Waikato River. -
Antarctic clean-up challenges
Media release28 May 2025No detectable human-induced environmental change to the pristine Lake Vanda following the decommission of the research station.
