Freshwater

What are the potential sources of chemical contamination from agricultural activities?

This collaborative NZaid project worked with coastal Fijian villagers at Votua on the Coral Coast of Viti Levu to develop pragmatic water supply and waste treatment solutions to protect public health and reduce contamination of coastal waters.

Tau kōura is a traditional Māori fishing method commonly used to harvest kōura or freshwater crayfish in areas where they are abundant.

To prepare for changes in climate, our freshwater and oceans decision-makers need information on species vulnerability to climate change.

The River Environment Classification (REC) is a database of catchment spatial attributes, summarised for every segment in New Zealand's network of rivers.

Rural, urban, and suburban wastewater treatment methods.

How can mining activities influence sediments in waterways?

Diverting water changes a waterways natural flow

Floods are not unusual in New Zealand, but those that hit us early this winter broke records. Why did they occur? Should we expect more? Can we predict future floods?

Mining is the extraction of metal and mineral resources, such as gold, coal, petroleum, and ironsand

Piharau/kanakana are an important mahinga kai species and a prized delicacy for many Māori.

Impacts of hydro-electric activities on water quality and mahinga kai.