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Economic analyses of options for weedy Sporobolus grass management

Bray, S. and Holmes, B. and Officer, D. (2008) Economic analyses of options for weedy Sporobolus grass management. Rangeland Journal, 30 (3). pp. 375-381.

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Article Link(s): http://dx.doi.org/10.1071/RJ07061

Publisher URL: http://www.publish.csiro.au/

Abstract

Weedy Sporobolus grasses have low palatability for livestock, with infestations reducing land condition and pastoral productivity. Control and containment options are available, but the cost of weed control is high relative to the extra return from livestock, thus, limiting private investment. This paper outlines a process for analysing the economic consequences of alternative management options for weedy Sporobolus grasses. This process is applicable to other weeds and other pastoral degradation or development issues. Using a case study property, three scenarios were developed. Each scenario compared two alternative management options and was analysed using discounted cash flow analysis. Two of the scenarios were based on infested properties and one scenario was based on a currently uninfested property but highly likely to become infested without active containment measures preventing weed seed transport and seedling establishment. The analysis highlighted why particular weedy Sporobolus grass management options may not be financially feasible for the landholder with the infestation. However, at the regional scale, the management options may be highly worthwhile due to a reduction in weed seed movement and new weed invasions. Therefore, to encourage investment by landholders in weedy Sporobolus grass management the investment of public money on behalf of landholders with non-infested properties should be considered.

Item Type:Article
Additional Information:© Australian Rangeland Society. © CSIRO Publishing. Access to published version may be available via Publisher’s website. Author version © The State of Queensland, Department of Primary Industries & Fisheries. Copyright protects this publication. Except for purposes permitted by the Copyright Act 1968, reproduction by whatever means is prohibited without prior written permission of the Department of Primary Industries & Fisheries, Queensland.
Keywords:Livestock carrying capacity; natural resource management; public funding; weed management; Poaceae; Sporobolus.
Subjects:Plant pests and diseases > Pest control and treatment of diseases. Plant protection
Animal culture > Rangelands. Range management. Grazing
Agriculture > Agriculture (General) > Agricultural economics
Plant pests and diseases > Weeds, parasitic plants etc
Deposited On:03 Feb 2009 06:01
Last Modified:11 Apr 2011 03:50

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