Grey mullet have a worldwide distribution and Aotearoa is at the southern limit of their range.

Seasonal climate summaries from summer 2001 to the present.

Nutrients in waterways are essential for the growth of algae and aquatic plants but too much can destroy an ecosystem.

Charts of coastal bathymetry, sediment, and other information are available for purchase.

We sponsor regional science and technology fairs around New Zealand and support learning programmes that bring science into the classroom.

These datasets are available in a range of formats.

The climate of this zone is largely dependent on the lie of the Southern Alps to the west, but many areas are also sheltered by high country to the south and east.

Due to its position in the 'Roaring Forties', a belt of strong winds in the Southern Hemisphere which generally occur between the latitudes of 40 and 49 degrees, as well as its small size, New Zealand is a windy country.

A versatile inshore vessel, RV Ikatere is equipped with high-precision multibeam and sub-bottom profiler transducers for surveying and mapping the seabed.

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

Confused about El Niño, or can't tell the difference between an Anticyclone and an Isobar? Let us help.

Temperature trends from 1930s to present day