Sustainability and economics of temperate perennial Australian grazing systems

Jones, Randall E.; Dowling, P. M.

doi:10.1016/j.agee.2004.09.001

Cited by 14 publications

(9 citation statements)

References 22 publications

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“…As similar pastoral lands, the Monte desert displays conflicts of resource use (Jones and Dowling, 2005). Some of them arise from the dependence of these systems on stochastic climate variations (Le Houé rou et al, 1988).…”

Section: Ecological-economic Issues Inter-generational Transfer Of Nmentioning

confidence: 99%

Overview of the geography of the Monte Desert biome (Argentina)

Abraham

Valle

Roig

et al. 2009

Journal of Arid Environments

159

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Section: Ecological-economic Issues Inter-generational Transfer Of Nmentioning

confidence: 99%

Overview of the geography of the Monte Desert biome (Argentina)

Abraham

Valle

Roig

et al. 2009

Journal of Arid Environments

159

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“…For example, replacement of perennial grass species by weeds largely reduces the productivity and contributes to a range of external costs (Vere et al 1993;Jones & Dowling 2005). Similarly, the cost of controlling invasive weeds in pasture by the herbicide MCPa, and by a Sclerotinia sclerotiorum-based mycoherbicide (a fungus applied to inundate the pasture (Bourdôt & Lamoureaux 2002)) is estimated to be around US$86 ha -1 in New Zealand (Burtt 2004).…”

Section: Introductionmentioning

confidence: 99%

Management strategies for an invasive weed: A dynamic programming approach for Californian thistle in New Zealand

Chalak-Haghighi

Ierland

Bourdôt

et al. 2008

New Zealand Journal of Agricultural Research

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Invasive plants can cause significant problems in natural and agricultural ecosystems. Although research has already been conducted on the economics of a single-control option for some invasive weeds, we extended the analysis by developing a dynamic optimisation model that evaluates the net benefits of a range of possible control options simultaneously in order to identify the optimal strategy (mix of control options). This paper focuses on Californian thistle (Cirsium arvense) in pasture in New Zealand. The net benefit is maximised by considering the costs and efficacy of control options, and the monetary value of animal production. Trajectories of shoot density are developed and the optimal strategies are found. Our results suggest that the introduction of a biological control agent (Apion onopordi), in combination with one or more control options, is the optimal strategy when the initial density of the thistle population exceeds 1.0 shoot m -2 . Results show that in the setting of the model excluding MCPA, MCPB and a Sclerotinia sclerotiorum-based mycoherbicide reduces the net present value (NPV) by less than 2%.

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“…Soil fertility is not suitable for large-scale pastureland such as in the temperate zone (Jones and Dowling, 2005). So, an increase in populations of domesticated cattle and buffalo could lead to wildlife habitat destruction.…”

Section: Populations Of Domesticated Cattle and Buffalomentioning

confidence: 99%