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011 Nursery and Floriculture Production
012 Mushroom and Vegetable Growing
013 Fruit and Tree Nut Growing
014 Sheep, Beef Cattle and Grain Farming
015 Other Crop Growing
016 Dairy Cattle Farming
017 Poultry Farming
018 Deer Farming
019 Other Livestock Farming
14 Estimates in this publication relate to agricultural businesses within the survey scope (see paragraph 2), which operated in Australia at any time during the year ended 30 June 2007.
15 In a response to the demand for more tailored, regional-based output, estimates from the Natural Resource Management Survey 2006-07 have been produced at the Australian, State and Natural Resource Management (NRM) region level. The 57 NRM regions across Australia were identified for the purposes of addressing natural resource management and sustainable agriculture priorities. The Appendix contains a map outlining the specific NRM regions used in this publication. The NRM regions are output as per the boundary specifications of August 2005. A description of these regions can be found at the following NRM website <http://nrm.gov.au/nrm/region.html>.
16 With the exception of NRM region 314 (Torres Strait), natural resource management data have been collected for all 57 NRM regions. However, for a combination of data quality and confidentiality reasons, the estimates for three of the NRM regions have been merged with larger NRM regions. The NRM regions that have been merged are listed below:
COMPARABILITY WITH AGRICULTURAL SURVEY
17 The Natural Resource Management Survey 2006-07 and the Agricultural Survey 2006-07 both produce estimates relating to the number of agricultural establishments and the area of agricultural land. In order to maintain coherence between the two estimates, the Natural Resource Management Survey estimates have been aligned to the Agricultural Survey estimates at natural resource management level using a calibration algorithm which minimised the impact to the estimation weights. For further information, please contact the Director, Environment and Agriculture Surveys Business Statistics Centre, on (03) 6222 5850.
RELIABILITY OF DATA
18 Estimates in this publication are subject to sampling and non-sampling error.
19 The estimates in this publication are based on information obtained from a sample drawn from the total agricultural business population in scope of the collection and are subject to sampling variability. That is, estimates may differ from figures that would have been produced if all agricultural businesses had been included in the survey. One measure of the likely difference is given by the standard error (SE), which indicates the extent to which an estimate might have varied by chance because only a sample of units was included. There are about two chances in three that a sample estimate will differ by less than one SE from the figure that would have been obtained if a complete enumeration had been conducted, and approximately nineteen chances in twenty that the difference will be less than two SEs.
20 In this publication, sampling variability is measured by the relative standard error (RSE) which is obtained by expressing the SE as a percentage of the estimate to which it refers.
21 Where the RSE of an estimate included in this publication falls in the range of 10% to less than 25%, it has been annotated with the symbol '^' indicating that the estimate should be used with caution as it is subject to sampling variability too high for some purposes. Where the RSE of an estimate is 25% to 50%, it has been annotated with the symbol '*', indicating that the estimate should be used with caution as it is subject to sampling variability too high for most practical purposes. Where the RSE of an estimate exceeds 50%, it has been annotated with the symbol '**', indicating that the sampling variability causes the estimate to be considered too unreliable for general use. Separate indication of the RSEs of all estimates is available on request.
22 The following table contains RSEs for a selection of the statistics presented in this publication:
23 Errors other than those due to sampling may occur because of deficiencies in the list of units from which the sample was selected, non-response and errors in reporting by providers. Inaccuracies of this kind are referred to as non-sampling errors and may occur in any collection whether it be a census or a sample. Every effort has been made to minimise non-sampling error by careful design and testing of questionnaires, operating procedures and systems used to compile the statistics.
24 The data for NRM Region 112 (Sydney Metro) should be used with caution as it does not truly represent agricultural businesses in the region due to deficiencies in the frame from which the sample was selected.
25 At the time of production of final estimates for the Natural Resource Management Survey 2006-07, a live response rate of 87% had been achieved.
26 Much of the Natural Resource Management Survey 2006-07 was perception-based, asking agricultural businesses to identify the extent and type of NRM related problems present on their land and the activities they undertook to prevent or manage these problems. While the results may differ from other sources of NRM monitoring and information, they provide an important perspective into the NRM problems and activities prevalent for Australian agricultural businesses during 2006-07.
27 The term 'NRM problems' refers to agricultural businesses reporting one or more NRM problem on their holding. The reporting of NRM problems does not necessarily mean any management activity has been undertaken. The NRM problems identified may have affected part or all of the holding and may have been of varying severity.
28 Final estimates in this publication were validated against a number of internal and external NRM data sources, including:
29 A range of NRM and agricultural publications are produced by the ABS including:
30 Current publications and other products released by the ABS are listed in the Catalogue of Publications and Products (cat. no. 1101.0). The Catalogue is available from any ABS office or the ABS web site <http://www.abs.gov.au>. The ABS also issues a daily Release Advice on the web site which details products to be released in the week ahead.
ABS DATA AVAILABLE ON REQUEST
31 As well as the statistics included in this and related publications, the ABS may have other relevant data available on request. Inquiries should be made to the National Information and Referral Service on 1300 135 070.
32 ABS publications draw extensively on information provided freely by individuals, businesses, governments and other organisations. Their continued cooperation is very much appreciated; without it, the wide range of statistics published by the ABS would not be available. Information received by the ABS is treated in strict confidence, as required by the Census and Statistics Act 1905.
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