Australia s great barrier reef region gbr land based surveys a way forward
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Australia’s Great Barrier Reef Region (GBR) Land based surveys A way forward. Presentation outline. Importance of the GBR region Land Management Practice Survey Pilot Land Account for the GBR Discussion/Questions.

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Australia s great barrier reef region gbr land based surveys a way forward
Australia’s Great Barrier Reef Region(GBR)Land based surveys A way forward


Presentation outline
Presentation outline

  • Importance of the GBR region

  • Land Management Practice Survey

  • Pilot Land Account for the GBR

  • Discussion/Questions


Important natural asset world heritage area with significant biodiversity value
Important Natural AssetWorld Heritage Area with significant biodiversity value






  • 28 River Catchments management practices

  • 38 million hectares

  • 790,000 people 15+

  • 17,400 farmers and farm managers

    In 2007-2008 :

  • $1.7b GVIAP

  • $4.3b VACP

  • 1.3 million ML water used


What were the policy questions
What were the policy questions? management practices

  • What land management practices were undertaken by farmers in the region?

  • Could the clients specific issues be measured?

  • Could the impact of the $200m intervention be measured?


Solving the client s needs
Solving the client’s needs management practices

  • Business based approach used for Agriculture surveys /census could not produce catchment level information

  • Solution was to use a land based framework where the …..

  • Statistical unit = LAND


Land management practices in the great barrier reef catchments
Land Management Practices in the Great Barrier Reef Catchments

  • Collected information from the land owner or manager on a range of land management practices including soil testing, fertiliser and chemical use, water management etc

  • Survey differs from most ABS surveys about agriculture or land management because it employed a land based methodology rather than a business methodology

  • Information was collected where the primary land use was classified to: sugar cane, horticulture, broadacre cropping or beef cattle grazing


Collection metrics
Collection metrics Catchments

  • Client had different priority needs in each of 28 catchments (beef, sugar, horticulture, broad acre farming)

  • 50,000 land parcels

  • 24,000 property identifiers

  • 19,430 holdings

  • 4,502 sample (= 23% of pop. & 43% of area)

  • 92% response rate (= 89% of area)


Statistical unit
Statistical Unit Catchments

  • Reported from “holding” - all land parcels under common ownership within an individual catchment

  • Queensland Valuation and Sales Data (QVAS) and Digital Cadastre Database were used to define spatial land parcel boundaries, and source information about each land parcel including ownership, contact details.

  • Breakdown of land use was also collected to show area of land used for agriculture (by use) and area of land not used for agricultural purposes (conservation, water use etc)


Interpreting the data
Interpreting the data Catchments

  • Land management practices with multiple activities (not always possible to say which practice related to which commodity)

  • Some practices could be carried out multiple times on the one piece of land (area counted multiple times, not = area of holding)

  • Influence of climatic and other external conditions (eg price, availability of inputs). This could impact on comparison over time

  • Land used for agricultural activity (grazing) in national parks and state forests was excluded (minimal land management practices allowed)






What are we doing
What are we doing? Barrier Reef Region

  • Integrating data from various sources

    • Statistical

      • Business Register

      • ABS collected data

    • Spatial

      • Land use

      • Land value

      • Land cover

      • Environmental attributes


What we will be able to do
What we will be able to do Barrier Reef Region

  • Produce a set of tables at the Natural Resource Management (river basin) level that will show (using SEEA frameworks)

    • Land use by sector (from Valuer General)

      • Hectares

      • Land value

    • Land cover by sector (spatial source)

    • Land use by sector (spatial source)

    • Change in land cover over time (spatial source)


And we will be able to
And we will be able to Barrier Reef Region

  • Produce small area data (SA1 level) integrating land use and land cover information, as well as other complementary data.



Agencies will be able to overlay their own spatial data files to these layers to produce information for their own policy issues, for example:

  • Transportation – rail, bus, foot

  • Salinity

  • Soil condition

  • Wildlife mitigation

  • Social inclusion And build their own regions from the SA1s


Questions
Questions? files to these layers to produce information for their own policy issues, for example:


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