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

journal contribution
posted on 2017-12-06, 00:00 authored by Megan StarMegan Star, John RolfeJohn Rolfe, PD Donaghy, TS Beutel, GL Whish, BN Abbott
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.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

180

Start Page

148

End Page

156

Number of Pages

9

eISSN

1873-2305

ISSN

0167-8809

Location

Netherlands

Publisher

Elsevier Masson

Language

en-aus

Peer Reviewed

  • Yes

Open Access

  • No

Acceptance Date

2012-03-22

External Author Affiliations

CSIRO Ecosystem Sciences; Department of Employment, Economic Development and Innovation; TBA Research Institute;

Era Eligible

  • Yes

Journal

Agriculture, Ecosystems and Environment

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