The conservation status of New Zealand's indigenous grasslands

摘要: Abstract The conservation status of New Zealand's indigenous grasslands was assessed against an 1840 baseline, immediately prior to European settlement, when they were maximum extent. Five major types recognised, four them tussock grasslands. assumed baseline extent areas with at least some grassland dominance mapped on the basis best available information. Their current derived from “tussock” category in Land Cover Data Base 1 map (typed as for map) and formally protected (as September 2002) Department Conservation records. Ecological region boundaries added information scanned compiled using ArcGIS. North Island also one unit while South divided into three geographic regions based general land use patterns: western wet non‐rangeland, rain‐shadow rangeland, eastern lower altitude non‐rangeland regions. Of total (82 432 km2...