A community based dynamic bio-economic model of the impact of sugar cane production on eutrophication of the Great Barrier Reef lagoon

Hall, Philippa. (2005). A community based dynamic bio-economic model of the impact of sugar cane production on eutrophication of the Great Barrier Reef lagoon Honours Thesis, School of Economics, The University of Queensland.

       
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Author Hall, Philippa.
Thesis Title A community based dynamic bio-economic model of the impact of sugar cane production on eutrophication of the Great Barrier Reef lagoon
School, Centre or Institute School of Economics
Institution The University of Queensland
Publication date 2005
Thesis type Honours Thesis
Total pages 90
Language eng
Subjects 14 Economics
Formatted abstract The decline in water quality entering the Great Barrier Reef lagoon poses a significant natural and economic threat to the coral reef ecosystem. Terrestrial run-off is a growing concern and there is clear evidence that many coastal waters are becoming more eutrophic. This thesis will present a community based dynamic bio-economic model to explain the impact of run-off from sugar cane farming on the reef system and associated industries. The profit function of a representative sugar cane farmer is maximised in order to calculate the optimal level of fertiliser application. An equation for nutrient accumulation is drawn from the lake game literature and linked to fertiliser application values. Using reconstructed river flow data for the Burdekin River the level of nutrients present in the Great Barrier Reef lagoon is simulated. An ecosystem model for the coral reef community is developed which includes equations for the Great Barrier Reef fishery, herbivorous and harvested fish and competition for space between coral and algae. The model will be used to examine the biological and economic effects of different policy options on the system.
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