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Targeting resource investments to achieve sediment reduction and improved Great Barrier Reef health

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Star, M., Rolfe, J. W., Donaghy, P., Beutel, T. S., Whish, G. and Abbott, B. (2013) Targeting resource investments to achieve sediment reduction and improved Great Barrier Reef health. Agriculture, Ecosystems and Environment, 180 . pp. 148-156. ISSN 01678809 (ISSN)

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Article Link: http://dx.doi.org/10.1016/j.agee.2012.03.016


Concerns about excessive sediment loads entering the Great Barrier Reef (GBR) lagoon in Australia have led to a focus on improving ground cover in grazing lands. Ground cover has been identified as an important factor in reducing sediment loads, but improving ground cover has been difficult for reef stakeholders in major catchments of the GBR. To provide better information an optimising linear programming model based on paddock scale information in conjunction with land type mapping was developed for the Fitzroy, the largest of the GBR catchments. This identifies at a catchment scale which land types allow the most sediment reduction to be achieved at least cost. The results suggest that from the five land types modelled, the lower productivity land types present the cheapest option for sediment reductions. The study allows more informed decision making for natural resource management organisations to target investments. The analysis highlights the importance of efficient allocation of natural resource management funds in achieving sediment reductions through targeted land type investments. © 2012.

Item Type:Article
Business groups:Animal Science
Keywords:Bioeconomic modelling Grazing Great Barrier Reef Land type Sediment Targeted public investment catchment ecological modeling economic analysis grazing management ground cover investment land management linearity mapping method optimization resource management sediment analysis stakeholder Australia Coral Sea Pacific Ocean Queensland
Subjects:Agriculture > Agriculture (General) > Improvement, reclamation, fertilisation, irrigation etc., of lands (Melioration)
Animal culture > Rangelands. Range management. Grazing
Agriculture > Agriculture (General) > Agricultural ecology (General)
Aquaculture and Fisheries > Fisheries > Fishery conservation
Live Archive:17 Jul 2014 00:47
Last Modified:11 May 2022 05:41

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