A handful of species we work on

How do nutrients from wastewater treatment enter waterways?

Water take (also known as water abstraction) has a range of valuable public and private uses.

When fresh water meets salty water - a classroom exercise that explores the physics of estuaries.

If you list all the historic rainfall totals for a particular month and for a specific location, rank these from lowest to highest, then divide the list into ten equal parts, you have identified the ten rainfall deciles for that month and for that location.

Seasonal climate summaries from summer 2001 to the present.

Dog Island levels

Where and when do white sharks occur in New Zealand waters, and how can fisheries bycatch be reduced?

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

Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer.

Northland, with its northern location, low elevation and close proximity to the sea is characterised by a mild, humid, and rather windy climate.