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A New Survey Method to Assist Land Accounting in Australia 21 June 2006 John Purcell and Michael Vardon Centre of Environment and Energy Statistics Australian Bureau of Statistics john.purcell@abs.gov.au michael.vardon@abs.gov.au
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Presentation overview ABS land statistics activity Current land use and land cover data for Australia The Land Parcel Survey Methodology Example data Issues for consideration
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Land Statistics Program CEES Advisory Board Land Statistics User Group NRM Survey (15,000-20,000 units) Analytical project with Productivity Commission Investigation of Land Accounts Land Parcel trials –Fitzroy-Livingstone (Queensland) –Eurobodalla (New South Wales) –Move 2007 NRM Survey to this methodology
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Land use map http://www.daff.gov.au/content/output.cfm?ObjectID=8BDB5767-D1CF-47D5-A3B441AA18E3AD00
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Land cover table http://www.daff.gov.au/corporate_docs/publications/pdf/rural_science/landuse/luv2_100m.pdf
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Land Parcel Methodology Land parcel methodology provides an opportunity for ABS to produce statistics that better support the information needs of Federal, State and Territory agencies. 1.Survey data can be integrated with other spatial information held by government and others (especially remotely sensed data) 2.Outputs can be tailored to regional management areas 3.Specific areas of interest can be surveyed in detail 4.Supports land accounting and in particular the production of cross classified tables
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Trial location
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Frame 4025 Holdings 1,234,398 hectares Sample 1235 holdings (31%) 1,079,029 hectares (87%) Fitzroy Frame
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Vegetation SalinityLand use Basic Frame
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Respondents reporting for a known area
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A A F A A B C D E Land CoverReportedSatellite Imagery A - Forest/WoodlandNot for release39.0 B - WaterNot for release3.5 C - ResidenceNot for release1.8 D - Irrigated CropNot for release13.4 E – Other CropNot for release3.8 F - GrasslandsNot for release68.0 TotalNot for release129.5
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Fitzroy Trial – Output Regions
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Examples of mapped data
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Special Areas of Interest Peri-urban Murray RiverIrrigation Zones
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NHT regions NHT Regions
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Fitzroy land cover by land use (ha.)
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Issues Should land ownership be included in the “standard tables” of SEEA (especially since ownership/management by ISIC is in many cases a good proxy for land use)? If so, should more attention be given to land ownership and in particular registers of land ownership in SEEA (or is this more a matter for practical implementation)? Does land management need to be considered along with land ownership, use and cover?
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