Extent of Mapping
Land Systems Mapping
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Land system surveys are broad or reconnaissance surveys. Although they cover extensive areas they do not provide the detail required for activities such as property management on small farms. They provide an initial understanding of large tracts of land often recommending further detailed work take place in particular areas.
Definition of a Land system:an area or group of areas throughout which there is a recurring pattern of topography, vegetation and soils, (Christian and Stewart 1953)
Land Unit Mapping
Land unit mapping target smaller areas intensely, providing detail across a survey area. These surveys originally targeted the agricultural areas of the Greater Darwin Area, Top End Coastal Plains and Daly Basin but now there is an increased emphasis on catchment management for a wide range of clients.
Definition of a Land unit:a reasonably homogenous part of a land surface, distinct from surrounding terrain with consistent properties in landform, soil and vegetation (Laity 1971).
The map displays Land Resource Surveys using a survey code.
Summary listing of NT Land Resources Surveys - PDF 518Kb
Map displaying Land Resource Survey Mapping in the NT | Screen Quality (pdf 4Mb) | Print Quality (16.5Mb)