References, further reading, and links to useful websites.

When soils erode, sediments are washed into waterways.

This weekly update helps assess likelihood of extremely dry weather preceding a drought.

New Zealand rushes (Juncus): species-level factsheets.

A participatory project empowering communities with self-help tools to improve water, sanitation and hygiene.

What are the potential sources of chemical contamination from agricultural activities?

NIWA is today issuing some scientific information on the parasite Bonamia ostreae, recently discovered in Big Glory Bay, Stewart Island, and the risk it poses to the Bluff oyster fishery.

Reports produced by NIWA’s air quality research.

In comparison with regions exposed to the west, Gisborne experiences a greater number of weather and climatic extremes.

Common questions about clouds, how they are formed and how they behave.

This web camera is available thanks to the support of Waikato Regional Council.

National climate maps