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Fish Passage
Understanding and supporting the migration of fish through New Zealand's freshwater habitats -
Roto Turf: Aquatic plant ‘life rafts’ in degraded lakes
Research ProjectA team of NIWA freshwater ecologists are researching the use of biodegradable plant mats to help reintroduce native aquatic plants to degraded freshwater lakes in Aotearoa-New Zealand. -
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. -
“Spilling the tea” on wetlands
Media release03 December 2024Scientists find link between temperature and carbon storage rates -
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. -
NIWA Datasonde service
ServiceMaintaining good water quality is important for healthy ecosystems and healthy humans. NIWA are experts in providing and servicing the water quality monitoring equipment you need to effectively monitor water quality in lakes, streams, coastal waters and estuaries -
NIWA Water Quality Laboratory
FacilitySpecialists in the chemical analysis of rivers, lakes, oceans and streams -
"Now or never": fight against invasive clam gets critical boost
Media release19 September 2024NIWA has been awarded $10.2m to eradicate an invasive clam that was only recently discovered in New Zealand waters. -
The Bio-Acoustic Fish Fence
Research ProjectInvestigating the effectiveness of an acoustic bubble-screen in minimising the movement of pest fish