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The relationship between farm profit and nitrogen exports on representative dairy farms in the Moe River catchment, Victoria AgEcon
Stott, Kerry; Doole, Graeme J.; Vigiak, Olga; Kumaran, Thabo; Roberts, Anna M..
Ambitious nutrient reduction targets have been set for the Gippsland Lakes, Victoria but at what cost to productive agriculture? An interdisciplinary approach is addressing this question for the Moe River catchment, a dairy-dominated catchment that is a major source of pollutants to the Gippsland Lakes. Off-farm nitrogen exports are being estimated by biophysical modellers, and economists are quantifying the impact of farming systems and agricultural practices on farm profitability. This information is assembled to form the interim profit-pollution frontier for nitrogen reported in this paper, and to calculate abatement costs. Phosphorus and sediment exports will be considered in future work. This information is intended for use in a landscape-optimisation...
Tipo: Presentation Palavras-chave: Nutrient management; Profit-pollution frontiers; Abatement costs.; Farm Management.
Ano: 2012 URL: http://purl.umn.edu/124454
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Agricultural land management strategies to reduce phosphorus loads in the Gippsland Lakes, Australia AgEcon
Roberts, Anna M.; Pannell, David J.; Doole, Graeme J.; Vigiak, Olga.
A target to reduce phosphorus flows into the Gippsland Lakes in south-eastern Australia by 40 per cent to improve water quality has previously been established by stakeholders. An integrated analysis at the catchment scale is undertaken to assess the agricultural land management changes required to achieve this target, and to evaluate the cost-effectiveness of these changes. It appears technically feasible to achieve a 40 per cent reduction in P load entering the lakes, but the least-costly way of doing so would require around A$1 billion over 20 years, a dramatic increase in the current levels of funding provided for management. On the other hand, a 20 per cent P reduction could be achieved at much lower cost: around $80 million over 20 years and...
Tipo: Working or Discussion Paper Palavras-chave: Benefit: cost analysis; Dairy; Diffuse source; Trade-offs; Environmental Economics and Policy; Resource /Energy Economics and Policy; Q15; Q25; Q53; Q57.
Ano: 2010 URL: http://purl.umn.edu/102454
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