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.

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

The waters around New Zealand have some of the highest waves in the world, due to Southern Ocean swell and storms in the Tasman Sea and Pacific Ocean.

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.

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

Inanga are the predominant species in the modern whitebait fishery.

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.

Submerged plants have a number of advantages that favour their use as indicators of lake ecological condition.