Dairy farms operate to maximise milk production

How can mining activities influence sediments in waterways?

Climate data and common terms explaining the causes and effects of climate change.

Once in freshwater, glass eels develop into darker pigmented juvenile eels known as elvers.

This is the standard precision instrument NIWA uses throughout New Zealand in the National Climate Network, and elsewhere, for rainfall measurement.

A carbon neutral activity is one that has a carbon footprint of zero.

A summary of up-coming tropical cyclone seasons, issued 6-monthly.

Learn how to use the New Zealand Freshwater Fish Database (NZFFD)

This manual prescribes a set of sampling and analysis protocols applicable to most of the common stream habitats in New Zealand.

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

Useful information and resources on New Zealand's marine flora and invertebrate fauna.

Sea surface temperatures in the southern Tasman Sea rose to exceptionally high levels in late 2017 and early 2018. These temperatures were far above any others previously observed at that time of year in the region, and extended west from New Zealand to Tasmania and mainland southeast Australia.