Charts of coastal bathymetry, sediment, and other information are available for purchase.

Technical information about our datasets and methodology along with related resources.

Wastewater treatment is the separation and extraction of solid waste from liquid waste, and the removal of nutrients and pathogens.

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

Defining drought and identifying its causes and impacts on humans.

QGIS is a free, open source, desktop mapping tool, widely used in New Zealand in government, research, commercial and NGO arenas.

Pauanui North station

Projections of how climate change is likely to affect New Zealand.

The land used to produce crops is usually flat to gently rolling so it can be tilled, sowed, and harvested.

How may forestry activities increase sediments in waterways?

Tuna harvested from Lake Ōmāpere and Utakura River catchment have long comprised an important fishery for tangata whenua.