Coasts

A hot and steamy summer saw Kiwis heading down to rivers and lakes to cool off. But they weren’t the only ones enjoying the warmer weather – algae had a great time too.

Inanga are the predominant species in the modern whitebait fishery.

Learn about different kinds of beachs and how they form, with diagrams and examples of each type.

NIWA collects wave data, develops and verifies wave forecasting systems, and is developing and producing wave projections.

This web camera is available thanks to the support of Waikato Regional Council.

Hydrocarbons, although requiring increasingly responsible use, are still an essential part of our modern economy. NIWA has provided survey and consultancy services related to the exploration of offshore mineral resources for thirty years.

The condition of many NZ lakes is under threat from land-use changes and the invasion of alien aquatic plants.

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

Glass eels (about 5.5 to 7.0 cm) arrive in fresh water during spring, especially during September and October, although they may be present from July to December.