NIWA developed the River Environment Classification for the Ministry for the Environment. The Ministry launched it in Wellington on 22 March 2004, after NIWA completed th
Explore the evidence
New Zealand GIS datasets
Follow the datasets behind New Zealand GIS, from early digital surveys and scientific mapping to modern geographic information. Each entry links to source documents, responsible organisations, relevant people and other historical accounts.
Search and filter dataset entries · Explore their connections · Explore the timeline
Freshwater and environmental datasets
Geological datasets
The national quarter-million-scale digital geological mapping programme and its later seamless GIS dataset.
Land and environmental datasets
A national, multi-date digital land-cover classification recording changes in vegetation, built surfaces, water and other land-cover classes.
The New Zealand Land Resource Inventory assembled observations of rock, soil, slope, erosion and vegetation into mapped land-resource units. The first national survey use
Population and statistical datasets
Stats NZ maintains a hierarchy of statistical geographies used for census enumeration, statistical reporting and geographic analysis. Meshblocks provide the smallest geog
Topographic datasets
The national 1:50,000 topographic map series and georeferenced digital map sheets supplied by LINZ.