Atmospheric analysis

Hydro-electricity is a renewable energy source that relies on the inflow of water into storage lakes upstream of a dam.

These datasets are available in a range of formats.

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.

Plots of UV levels throughout the day at different locations.

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

Most of this climate zone is characterised by cool coastal breezes, and absence of shelter from the unsettled weather that moves over the sea from the south and southwest.

A range of physical and chemical variables are measured in the NRWQN.

Aotearoa’s main urban areas cover approximately 2% of total available land.

Explore our education and information section to find out about climate and climate change, weather, our atmosphere, estuaries and more.

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.