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Sustainability, Externalities and Economics: The Case of Temperate Perennial Grazing Systems in NSW AgEcon
Jones, Randall E.; Dowling, Peter.
The replacement of perennial grass species by undesirable annual grass weeds not only results in lower productivity but is also contributes to a range of external costs. In particular, shallow rooted annuals result in greater deep drainage and therefore a greater potential for salinity, and greater volumes of runoff of poor quality water to streams. In this paper an economic framework for examining the sustainability issues of a perennial grazing system on the NSW Central Tablelands is presented. This involves a combination of simulation and dynamic programming models, with the state of the system represented by variables for the perennial grass composition and soil fertility. The paper examines a range of management strategies that increase the perennial...
Tipo: Report Palavras-chave: Perennial pasture; Sustainability; Externalities; Bioeconomic modelling; Dynamic programming; Research and Development/Tech Change/Emerging Technologies; 160.
Ano: 2004 URL: http://purl.umn.edu/42504
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