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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. -
It’s breeding season for invasive clam
Media release20 November 2025Earth Science NZ researchers are seeing signs that the breeding season for the invasive freshwater gold clam (Corbicula fluminea) has begun. -
Sensors, science and sea change: tackling ocean acidification together
News article01 November 2025Experts met at Solomon Islands National University to learn hands-on monitoring techniques for ocean acidification. -
Earth Sciences NZ staff profile: Aleki Taumoepeau
News article01 November 2025Aleki Taumoepeau is an Aquatic Biology Technician specialising in freshwater biosecurity and aquatic plant ecology. -
Endothall
Endothall (Endothall dipotassium) is a herbicide (chemical) that has been registered for the control of freshwater submerged (underwater) weeds in New Zealand. -
Wetlands win proves power of partnership to improve water quality
Media release06 October 2025Constructed wetlands project receives NZ award for environmental sustainability. -
New study reveals colossal scale of riverbank erosion during Cyclone Gabrielle
Media release25 August 2025Over 220,000 m3 of sediment was eroded from just 9.1km of Ūawa/Hikuwai riverbanks in Gisborne (Tairāwhiti).