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Modeling environmental risk and land management trade-offs in the Great Barrier Reef catchment

Author

Listed:
  • Mallawaarachchi, Thilak
  • Mazur, Kasia
  • Lawson, Kenton

Abstract

We develop a catchment scale modeling framework to identify cost-effective strategies for joint onsite abatement and offsite mitigation of land-based pollution from agricultural activities that pose a risk to water quality in the Great Barrier Reef (GBR). An illustrative example of the Barron catchment in north Queensland is used to demonstrate an approach to specify social planner's problem for non-point source pollution management as a cost minimisation model to meet a specified reduction in land-based pollution emissions at the receiving waters of GBR. We focus on the tradeoffs between onsite pollution control and offsite pollution mitigation under a collective contract for nutrient reduction at a sub-catchment level and discuss implementation options.

Suggested Citation

  • Mallawaarachchi, Thilak & Mazur, Kasia & Lawson, Kenton, 2007. "Modeling environmental risk and land management trade-offs in the Great Barrier Reef catchment," 2007 Conference (51st), February 13-16, 2007, Queenstown, New Zealand 10377, Australian Agricultural and Resource Economics Society.
    • Handle: RePEc:ags:aare07:10377
    DOI: 10.22004/ag.econ.10377
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