Nationally correlated LUC polygons drawing on the older NZLRI inventory.
The 2021 national Land Use Capability layer retains a direct lineage to the 1970s NZLRI map units and subsequent regional editions. Manaaki Whenua documents a national legend that correlates regional classes while preserving the older LUC codes and descriptions.
Sources · 1
The 2021 update represents a reclassification and data-structure change rather than a fresh national field survey. The source dates of underlying rock, soil, slope, erosion and vegetation observations can be much earlier than the dataset's release date.