GLOSSARY
Additions
Represents an increase in the area or value of the stock of land. These changes could be due to purchases of land for other uses, reassessment of land type or natural encroachment of other land covers.
Cadastre
A comprehensive national digital dataset of land parcels including their surveyed cadastral boundaries.
Closing stock
Physical or monetary stock at the end of an accounting period.
Grid
Parallel and perpendicular lines superimposed on a map.
Land cover
Refers to the physical surface of the earth, including various combinations of vegetation types, soils, exposed rocks and water bodies as well as anthropogenic elements, such as agriculture and built environments. Land cover classes can usually be discriminated by characteristic patterns using remote sensing.
Land use
The purpose to which the land cover is committed. Some land uses, such as agriculture, have a characteristic land cover pattern. These usually appear in land cover classifications. Other land uses, such as nature conservation, are not readily discriminated by a characteristic land cover pattern. For example, where the land cover is woodland, land use may be timber production, livestock grazing or nature conservation.
Natural Resource Management regions
56 regions across Australia based on catchments and bioregions.
Net Change
The change in physical or monetary units that can be positive or negative. It is important to understand that net changes are highly aggregated and need to be used with care. For example, if 100 hectares of livestock grazing is lost in one place but added elsewhere, then no net change would be shown across the reporting region.
Opening stock
Physical or monetary stock at the beginning of an accounting period.
Raster
A spatial model that defines cells of equal size arranged in rows and columns, each cell contains a single value.
Rateable Value
The value of land including site improvements (such as levelling, retaining walls and clearing of timber) but excluding structural improvement. Rateable land is typically used for government rating purposes and land tax assessment.
Reductions
Represents a decrease in the area or value of the stock of land. These changes could be due to sales of land for other uses, reassessment of land type or natural encroachment of other land covers.
Revaluations
Changes in monetary units due solely to valuation changes over the accounting period.
Valuer-General
The Valuer-General is an independent statutory officer who oversees the land valuation system.
Vector
A coordinate based spatial model that represents geographic features as points, lines and polygons.
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