Soils are classified according to the pH of the subsoil layer. Subsoil is defined as the depth range 30-80 cm. Rankings are made according to pH measurements and extrapolation between similar environments. The analysis is based on Soil Landscape Mapping of SA's agricultural districts using soil class information in the nationally-consistent Australian Soil Resource Information System (ASRIS) data format. Also available for download: Soil Acidity (SA-Format).

Soils are classified according to the pH of the surface layer, according to the lower pH values recorded among similar soils, i.e. it is assumed that each soil class has a characteristic level of acidity, or is prone to that level of acidity under current climate and typical agricultural land use expected for that soil and locality. Surface soils are classified according to degree of acidity, and surface buffering capacity. This analysis is based on Soil Landscape Mapping of SA's agricultural districts using soil class information in the nationally-consistent Australian Soil Resource Information System (ASRIS) data format. Also available for download: Soil Acidity.

Combines the assessment of soils that are currently acidic (or prone to acidification in the short term) and soils that are not currently recognised as acid prone, but could conceivably become acidic over the next 10-50 years (from 2015). The analysis is based on Soil Landscape Mapping of SA's agricultural districts using soil class information in the nationally-consistent Australian Soil Resource Information System (ASRIS) data format.

This map identifies the dominant soil types across NSW using the Australian Soils Classification (ASC) at Order level. It uses the best available soil resource mapping coverage incorporating over 55 different datasets of multiple scales across NSW. The formal ASC classification has been slightly modified in this map to further identify 2 extra sub-classes - soils with alluvial origins in the Rudosol order and soils with sodium-rich subsoils in the Kurosol order category. Soil types are representative of the dominant facet (sub-landscape) of each map unit and allocated using a lookup table system, linking a Great Soil Group classification soil type to the most appropriate Australian Soil Classification (ASC) class (see LUT table in data package). In some areas (north coast region and Cobargo area), an ASC classification has been assigned to map units directly without using a lookup system. These areas are identified in the ASC confidence map found within in the data package. While the ASC classification commonly equates to a particular GSG soil type classification, this is is not always the case and therefore ASC classifications allocated manually, will have a higher accuracy. Online Maps: This dataset can be viewed using eSPADE (NSW’s soil spatial viewer), which contains a suite of soil and landscape information including soil profile data. Many of these datasets have hot-linked soil reports. An alternative viewer is the SEED Map; an ideal way to see what other natural resources datasets (e.g. vegetation) are available for this map area. Reference: Department of Planning, Industry and Environment, 2021, Australian Soil Classification (ASC) Soil Type map of NSW, Version 4.5, Department of Planning, Industry and Environment, Parramatta.

Soil acidity mapping highlights land where acidification due to normal farming practices is, or could become, a significant problem. Mapping shows surface and subsoil acidity, and surface buffering capacity (ability to withstand pH changes), while detailed proportion data are supplied for calculating respective areas of each soil acidity class (spatial data statistics). Also available for download in the Australian Soil Resource Information System format: Surface Soil Acidity; Subsurface Soil Acidity and Subsoil Acidity.

Sixty one soils (soil types) represent the range of soils found across South Australia’s agricultural lands. Mapping shows the most common soil within each map unit, while more detailed proportion data are supplied for calculating respective areas of each soil type (spatial data statistics).

Alkalinity is usually an inherent characteristic of soils, and alkaline soils are largely confined to areas with less than 400 mm annual rainfall. Mapping shows surface and subsoil alkailinty, while detailed proportion data are supplied for calculating respective areas of each alkalinity class (spatial data statistics).

Water erosion potential, based on Soil Landscape Map Units of Southern South Australia, describes the susceptibility of land to sheet or rill erosion due to overland flow of water. Mapping shows the dominant water erosion potential class, while detailed proportion data are supplied for calculating respective areas of each water erosion potential class (spatial data statistics). Also available for download: Soil Water Erosion Potential (SA).