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Sourced from Manaaki Whenua Landcare Research @ http://www.landcareresearch.co.nz/databases/nzlri.asp This layer includes:
(1) Inventory of physical factors controlling land use - Rock (grouped by type on basis of common physical characteristics relevant to soil conversation and land use planning), Soil (from Landcare Research soil surveys), Slope (recorded as seven different classes A-G, eg G being all land >35o, Erosion (14 erosion types with serverity assessement scale 0-5), Vegetation (subdivision of five main groups - croplands, grasslands, forest, scrub, miscellaneous); (2) Land Use Capability (LUC) assessment by map unit - Class (I-VIII ie 'most versatile and productive' to 'most limitations to use'), Subclass (dominant limitation recorded ie e-'erodibility', c-'climate', w-'wetness', s-'soil limitatiojn within rooting zone'), Unit (number indicates LUC and denotes management/conservation requirements)
(3) Fundamental Data Layers (FDL) containing key NZ soil attributes; (4) Pastoral & forestry production parameters, administration and natural boundaries. |