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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. -
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. -
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. -
Putting algae to work
Feature story15 December 2022Can native freshwater algae help restore the mauri of local waterways? Lawrence Gullery investigates. -
Taonga Species Series: Tuangi
Feature story31 October 2022What does science tell us about New Zealand cockles? -
Satellites reveal NZ’s coastal health
Media release21 September 2022For the first time, satellites have been used to track coastal water health around Aotearoa New Zealand. -
Demand grows for NIWA’s Riparian Management Training
Media release09 June 2022NIWA has updated and restarted a course using a riparian planning tool developed by one of its former chief scientists more than 20 years ago. -
Bottom lining for the control of submerged lake weeds
Bottom lining is the installation of a flexible covering over the top of beds of aquatic weeds, similar to using weed matting in home gardens. The lining is held in place by weights (e.g., rocks or sandbags) or by pinning. This control method is also called ‘benthic barriers’. -
New weapon in fight against invasive aquatic weeds
Media release20 July 2021A combination of artificial intelligence and scientific ingenuity looks set to be the next step forward in protecting Aotearoa New Zealand’s lakes and rivers from invasive aquatic weeds. -
NIWA in the field: Sampling the Waimakariri
Feature story19 May 2021Environmental monitoring technician Patrick Butler has spent hours travelling between the upper and lower reaches of Canterbury’s Waimakariri and Hurunui Rivers. His mission – river water quality sampling. -
The future shape of water
Feature story11 February 2021How much is too much? Susan Pepperell looks at some of the tough decisions looming around access to freshwater and how science is helping with solutions.