Freshwater restoration

Effective systems to manage contaminant losses

A NIWA-led programme to develop effective, and culturally-attuned strategies for managing the freshwater gold clam.

No detectable human-induced environmental change to the pristine Lake Vanda following the decommission of the research station.

A 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.

A tool to support decision-making on the suitability of RotoTurf for your waterbody

A 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.

A tool to select aquatic plant species that will support restoration of degraded freshwater.

NIWA is using biodegradable “life rafts” to reintroduce native plants to degraded lakes. 

Investigating the effectiveness of an acoustic bubble-screen in minimising the movement of pest fish

Developing the monitoring and evaluation approaches that respond to the hauanga kai aspirations of Ngaati Mahuta

Constructed wetlands a natural solution to reduce agricultural pollution.

About 76 per cent of indigenous freshwater fish species, that’s 39 out of 54, are threatened with extinction or at risk of becoming threatened.