The current method for calculating wind speed-up is inadequate, and can grossly under-predict correct design wind speeds in NZ's complex terrain.

How may the activities of the mining industry influence water resources?

These datasets are available in a range of formats.

Check out UV index forecasts for locations in New Zealand (including ski fields), Australia, the Pacific and Antarctica.

Management of stream riparian areas - including vegetation and stock access - influences the health of streams and downstream water bodies.

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

There are many lines of evidence showing that NZ has warmed during the past century.

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

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.

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

An interactive guide to the sponges of New Zealand.