The 2012-2013 drought affected the entire North Island plus the west coast of the South Island.

We have prepared a breakdown of the different guidelines that are available for sampling freshwater fisheries. The overview provides links to key documents that explain what should be considered when designing fish monitoring studies and how to implement the various sampling techniques.

An interactive guide to the sponges of New Zealand.

NIWA has developed a real time UV display in consultation with the Cancer Society and Sunsmart.

Find out more about emergent aquatic plants.

Commercial eel fishery in New Zealand began in earnest in the 1960s and expanded rapidly until the early 1970s

Ideas for projects using climate data

Identifying biological factors that may be limiting fish numbers requires sampling to ensure that key invertebrate prey species are not scarce and that pest fish, especially predators, are not abundant.

The Kiwi dream of owning a beachfront property with panoramic views of the ocean is under threat—and not just for financial reasons.

Southland is both the most southerly and most westerly part of New Zealand and generally is the first to be influenced by weather systems moving onto the country from the west or south.

CFCs have damaged the ozone layer and led to higher UV levels and increased health risks. Our role is to understand the causes and effects of ozone depletion, to inform the public of the risk.

Diverting water away from its natural channel for commercial or private use.