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Science sector reforms
Recent updates to the science sector reforms that affect NIWA. -
Flooding from underneath: New tool reveals shallow groundwater elevations
Media release01 April 2025A new online tool that identifies areas at risk from groundwater flooding has been developed by New Zealand scientists. -
Extreme Lakeover: NIWA’s Guide to Rolling Back Life into New Zealand Lake
Publication article26 March 2025A team of NIWA freshwater ecologists have completed their research on the use of biodegradable plant mats as life rafts to help reintroduce native aquatic plants to degraded freshwater lakes. -
New Technology Enhances River Digital Networks for Improved Water Management
Publication article21 March 2025NIWA scientists have launched a groundbreaking initiative that is transforming mapping of freshwater environments. -
Innovative Methods in Tackling Pest Fish: The Power of Sound and Light
Publication article20 March 2025Could bubbles and strobe lights stop pest fish swimming where they’re not wanted? -
Climate Change Disrupts River Sediment Management: Adaptation Strategies Needed
Publication article19 March 2025New research suggests environmental targets for managing fine sediment in rivers may need to be revised to better account for the impacts of climate change. -
Extreme atmospheric rivers could double in future climate
Media release18 March 2025New Zealand could face twice as many of the most extreme atmospheric rivers by the end of the century. -
NIWA – Business as Usual through science sector reforms
News article12 March 2025The Government has announced plans to reform the science, innovation and technology system, changing the shape and structure of Crown Research Institutes, including NIWA. -
NIWA Seeks Crucial Data to Boost Freshwater Protection Efforts
Publication article07 March 2025NIWA scientists are gathering data on freshwater mitigation across NZ to improve predictive models. -
Gold clam anatomy
The invasive gold clam is native to eastern Asia and is widely established in North and South America and Europe. In New Zealand it was first discovered in the Waikato River in May 2023 at Bob's Landing, within Lake Karāpiro. It has been declared an unwanted organism under the Biosecurity Act. -
Guidance for developing decision-support tools
Guidance for developing decision-support tools