-
Ecotoxicology
NIWA offers a range of standard toxicity tests for both freshwater and marine environments and is at the cutting edge of toxicity-related research. -
Ecological monitoring
Monitoring the health of freshwater lakes and streams. -
Future Coasts Aotearoa
Transforming coastal lowland systems threatened by sea-level rise into prosperous communities -
A 3D Printer is helping save New Zealand’s endangered native fish
Media release14 November 2023A 3D Printer is helping save New Zealand’s endangered native fish -
High Frequency Water Quality Monitoring Guidance
Research ProjectA NIWA-led project to support anyone wishing to deploy a water quality sensor in rivers, lakes and estuaries. -
Urban Runoff Quality Information System (URQIS)
ServiceNIWA's Urban Runoff Quality Information System (URQIS) provides planners, engineers and researchers with information about the quality of stormwater from different locations and landuses and under different flow conditions. -
NZ Freshwater Fish Database
Software Tool/ResourceThe New Zealand Freshwater Fish Database (NZFFD) contains over 50,000 freshwater fish observations from across New Zealand from 1901 to the present. -
Wellington study could improve worldwide access to coastal freshwater
Media release28 August 2023A new NIWA study in Wellington Harbour will help scientists find untapped drinking water around the world. -
NIWA’s freshwater ecologists helping regional councils remove the barriers to fish migration
News article21 June 2023About 76 per cent of indigenous freshwater fish species, that’s 39 out of 54, are threatened with extinction or at risk of becoming threatened. -
On the search for invaders
Media release24 March 2023Deep beneath Waitomo’s rolling hills lies a maze of caves and underground rivers. Here, NIWA researchers braved the dark waters to measure the current and hunt for fishy invaders under the twinkle of the cave’s magical glowworms. -
Dramatic changes in New Zealand river flows, research finds
Media release23 March 2023River flows in New Zealand have changed dramatically over the past 50 to 90 years as the climate has varied, a new study has found. -
Half of NZ’s rivers blocked for migratory fish
Media release12 March 2023Nearly half of New Zealand’s river network is partially or fully inaccessible to migratory fish, a new study shows.