Freshwater

Maintaining 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.

Specialists in the chemical analysis of rivers, lakes, oceans and streams

NIWA has been awarded $10.2m to investigate an invasive clam that was only recently discovered in New Zealand waters.

An easy-to-use system for recording instream structures and assessing their likely impact on fish movements and river connectivity.

Recommended standards for the design and restoration of instream infrastructure to provide for fish passage

An interactive webtool to support barrier prioritisation and fish passage environmental reporting. 

A manual detailing evidence-based methods suitable for evaluating the effectiveness of fish passage solutions.

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.

NIWA scientists have mapped the whole of Lake Wānaka in incredible detail.  

Developing a snowmelt forecast system to enable more accurate and confident forecasts of river flow and alpine hazards.