Coasts

In comparison to the vast span of geological time, the estuaries that we see today are very recent coastal features.

NIWA scientists have made the rare discovery of a days-old ghost shark during a recent survey off the east coast of the South Island.

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 scientists have written a guide for managing mangroves, prompted by a desire for people to learn more about mangrove ecosystems, and what happens when they are removed.

Porirua at Mana Marina sea levels

Queens Wharf - Wellington sea levels

NIWA puts a lot of things in the ocean—instruments tied to moorings, floats that dive up and down measuring what’s going on in the water, and video cameras that monitor fish.