Various industries and land use activities have the potential to impact on water quality and mahinga kai unless properly managed.

This identification guide covers the common crustose coralline algae found in central New Zealand.

The climate of Otago is perhaps the most diverse of any region in New Zealand.

Sometimes wind can feel like a bit of a mystery because we can feel it, but not see it.

Plants and trees along the water margins and banks are called riparian vegetation.

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.

Longfin eels are the largest and longest-lived fish in New Zealand's freshwaters, and where they are present they are the top predator.

Atmospheric carbon dioxide (CO2) is measured continuously at Baring Head, providing the longest running record of this type in the Southern hemisphere.

Plots of UV levels throughout the day at different locations.

Scott Base, Antarctica Antarctica is the coldest, windiest and driest continent.