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Layer: NSW Dairy Manure (SA2) (ID: 0)

Name: NSW Dairy Manure (SA2)

Display Field: REGION_NAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This dataset estimates the mass in dry tonnes of dairy manure residues potentially available across NSW, Australia. This information has been collated for the Australian Biomass for Bioenergy Assessment (ABBA) Project (2015-2020) and is available for use on the National Map platform, to build a national map to service the renewable energy sector. It is also been used for the Climate Change Fund - Biomass for Bioenergy Project (2018-2023) and will be available for use on a DPI interactive tool platform that will assist a range of stakeholders including landholders/farmers, project developers, policy makers and academics. It is planned to update the dataset in the future with more current volumes and improved location accuracy of residues. The boundary features were extracted from the Australian Bureau of Statistics (ABS) Australian Statistical Geography Standard (ASGS) digital boundaries [Copyright Commonwealth of Australia administered by the ABS]. This dataset is mapped at the Statistical Area Level 2 (SA2). Each SA2 region shows the average annual dairy manure residues for the period July 2010 to June 2015 (average of 5 years). The SA2 residues were derived using the 'parent' SA4 region residue totals (calculated using the ABS ASGS Agricultural Commodities, Australia, cat. no. 7121.0 data cubes and from research carried out by the NSW Forest Science unit, Department of Primary Industries - Forestry) and by applying calculated percentages using livestock numbers from the ABS 2010-11 SA2 agricultural survey data to determine the distribution of residues at this level. Please note the location of residues for the SA2 maps is based on the 2010-11 livestock distribution. Note: For dairy cattle only manure was calculated at the SA4 level. For more detail about the methodology and assumptions used in the manure calculations please see the dairy SA4 level dataset. Some SA2 regions were merged and the results were combined. Most commonly merged regions were built up areas contained wholly within the same regional area (i.e. Goulburn and Goulburn Region were merged) or adjacent regions that were either small or built up areas. For more information on the derivation of the residue volumes please contact the NSW Forest Science unit and look at the following references: Dairy Dairy Australia (2008) ‘Effluent and Manure Management Database for the Australian Dairy Industry’, Dairy Australia - http://www.dairyingfortomorrow.com.au/wp-content/uploads/combined.pdf Nennich T et al. (2005) ‘Prediction of Manure and Nutrient Excretion from Dairy Cattle’, J. Dairy Sci., 88:3721–3733 - https://www.researchgate.net/publication/7599564_Prediction_of_Manure_and_Nutrient_Excretion_from_Dairy_Cattle Ryan D et al. (1997) ‘Realistic Rations’, Dairy Research & Development Corporation and NSW Agriculture - https://www.dpi.nsw.gov.au/__data/assets/pdf_file/0018/163332/realistic-rations.pdf Dairy Australia (2013) ‘A guide to growing more productive heifers’, https://www.google.com.au/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&cad=rja&uact=8&ved=0ahUKEwi0jbm1sODXAhWLxrwKHRUEAxIQFghNMAc&url=https%3A%2F%2Fwww.dairyaustralia.com.au%2F-%2Fmedia%2Fdairyaustralia%2Fdocuments%2Ffarm%2Fanimal-care%2Ffertility%2Fheifer-management%2Fheifers-on-target-guide-to-growing-more-productive-heifers.ashx&usg=AOvVaw0xVNrjgb4bRMThAYzTI6L5 Last updated November 2022.

Copyright Text: NSW Forest Science, Department of Primary Industries - Forestry

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