Find out more about submerged aquatic plant species.

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

Instrument Systems is a specialised technology-focused consulting group within NIWA.

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?

We are currently steaming out towards our survey area, the Louisville Seamount Chain, which is about 1500 km from Wellington.

The climate of the Manawatu-Wanganui region is a reflection of the generally disturbed westerly air flow with interspersed anticyclones, modified in specific places by the local topography.

Whitebait are the juveniles of five species of galaxiidae, a family of fish confined to the Southern Hemisphere.

Chemical contaminants are chemicals toxic to plants and animals in waterways.

Tuna is a generic Māori word for freshwater eels. The word will be used interchangeably in this resource.

Biogas from pig farms