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Registros recuperados: 7
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Economic benefit and costs of tree planting for salinity control AgEcon
Hill, Christine M..
This study reviewed case studies and research focussed on the issues of managing native vegetation, the problems of salinity and the relationship between the two. It then addressed the economic feasibility of six tree planting configurations to reduce the impacts of salinity. The method used a spreadsheet model showing the benefits and costs of various planting configurations over a 30-year time span. This model can be used to assess the monetary net benefit/costs of reducing recharge of a vegetation management proposal. Inputs can be varied to tailor the model to different catchments. Even when applied to local groundwater systems, the impact on salinity in terms of land salinised, salt loads and dollars was small. These factors can represent major...
Tipo: Conference Paper or Presentation Palavras-chave: Vegetation; Salinity; Benefit cost; Environmental Economics and Policy; Land Economics/Use.
Ano: 2004 URL: http://purl.umn.edu/58706
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COST OF IGNORANCE- EVALUATING A LAND AND WATER MANAGEMENT PLAN AgEcon
Hill, Christine M..
This paper outlines the impacts of ignoring the costs to the community of increased rural waterlogging and salinity. It identifies the cost of no further action, and the costs and benefits of undertaking a land and water management plan. The processes of developing and evaluating the plan are explained. Difficulties in obtaining data, both for the community and the economist, are discussed. Data availability then shapes the range of costs and benefits that can be evaluated. The paper looks at the process and results of a case study of a Land and Water Management Plan for an irrigation district in central New South Wales. The case study demonstrated all the complexities of community and professional conflict, difficulties in data availability, budget and...
Tipo: Presentation Palavras-chave: Land and water management plan; Economic evaluation; Salinity; Waterlogging; Land Economics/Use; Resource /Energy Economics and Policy.
Ano: 1999 URL: http://purl.umn.edu/123814
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Economic analysis of landholder water management under Cap & Pipe the Bores program: case studies in the NSW Great Artesian Basin AgEcon
Hill, Christine M.; Flavel, Noel J.; Eigeland, Neil.
The NSW Cap & Pipe the Bores Program is a jointly funded Commonwealth and State initiative that operates within the Australian Government’s Great Artesian Basin Sustainability Initiative (GABSI) framework. The third five-year period of GABSI was due to commence on 1st July 2009. This economic study of changes in landholder water management under the Cap & Pipe the Bores program was undertaken to inform the development of GABSI phase 3 policy in NSW. The study consisted of a small number of case studies of farming enterprises across the Great Artesian Basin Groundwater Management Zones of Surat South, Surat East, Surat West, Warrego and Central in NSW. The apparent landholder economic feasibility of the program was dependent on individual farm...
Tipo: Conference Paper or Presentation Palavras-chave: Resource /Energy Economics and Policy.
Ano: 2010 URL: http://purl.umn.edu/59085
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Environmental economics and valuation: towards a practical investment framework for Catchment Management Authorities in New South Wales AgEcon
Farquharson, Robert J.; Hill, Christine M.; Bennett, Jeffrey W.; Tracey, Jacqueline.
The Catchment Management Authorities in New South Wales have programs that are collectively investing $436 million over four years to achieve catchment-wide natural resource/environmental improvements. In this paper, we consider the question of how to best allocate these resources so as to increase the well-being of the public within catchments and the state. We consider the current approaches used by CMAs and make a case for Benefit-Cost Analysis as an alternative means of assessing ex ante questions of priority setting at the catchment level and for project appraisal. A major issue for BCA is the estimation of potential benefits from project investments, particularly the estimation of values that catchment communities and those living outside the...
Tipo: Conference Paper or Presentation Palavras-chave: Environmental; Economics; Choice modelling; Non-use values; Investment framework; Environmental Economics and Policy.
Ano: 2007 URL: http://purl.umn.edu/10404
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Issues of scale and scope in bio-physical modelling for natural resource management decision making in New South Wales AgEcon
Hill, Christine M.; Farquharson, Robert J.; Ferrier, Simon; Grieve, Alastair.
Natural resource management decision making by Catchment Management Authorities in NSW is being aided by a project involving bio-physical modelling and the development of an alternative decision-making framework. The objective of the bio-physical modelling process is to generate predictions of environmental or natural resource outcomes rather than project outputs. These outcomes can then be used in an investment framework to help priority setting and project decision making. Questions that arise in bio-physical modelling include those relating to scale and scope. Scale issues include how to address the landscape impacts of particular (or a series of local) on-ground works proposals. Scope issues include assessment of multiple-attribute responses to...
Tipo: Conference Paper or Presentation Palavras-chave: Environmental benefits; Bio-physical models; Scale; Scope; Investment decisions; Resource /Energy Economics and Policy.
Ano: 2007 URL: http://purl.umn.edu/10427
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NSW Great Artesian Basin water market assessment pre and post auction AgEcon
Schalk, Tara; Hill, Christine M.; Flavel, Noel J..
The NSW Cap & Pipe the Bores Program is a jointly funded Commonwealth and State initiative that operates within the Australian Government's Great Artesian Basin Sustainability Initiative framework. Under the Water Sharing Plan for the NSW Great Artesian Basin Groundwater Sources 2008, 70 per cent of the water savings made since 1999 shall be retained in the aquifers of the Basin to improve pressures and provide for groundwater dependent ecosystems. The remaining 30 per cent of the water savings may be released to extractive users over the term of the Water Sharing Plan to facilitate the continued economic and social welfare of regional western NSW. As the first step in this water release, part of the water savings from the Cap & Pipe the Bores...
Tipo: Conference Paper or Presentation Palavras-chave: Water auction; Economics; Great Artesian Basin; Groundwater; Cap & Pipe the Bores; Water Sharing Plan.; Resource /Energy Economics and Policy.
Ano: 2010 URL: http://purl.umn.edu/59157
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Exploring natural resource management tradeoffs in an agricultural landscape - an application of the MOSAIC model. AgEcon
Lawson, Kenton; Hill, Christine M.; Hodges, Andrew; Jacobs, Brent.
We describe a landscape scale non-linear discrete choice spatial optimisation model for identifying cost-effective strategies for achieving environmental goals. Spatial heterogeneity and configuration issues such as fencing costs, patch sizes and network linkages are explicitly accounted for and quasi-optimal allocations are determined using simulated annealing. Applications of the model being developed with New South Wales Catchment Management Authorities are discussed. These focus on targeting investments in revegetation to control dryland salinity and erosion and provide biodiversity benefits whilst minimising direct and opportunity costs. We compare our approach with alternate investment approaches.
Tipo: Conference Paper or Presentation Palavras-chave: Natural resource management; Cost effectiveness; Land use change; Multicriteria; Spatial optimisation; Resource /Energy Economics and Policy.
Ano: 2007 URL: http://purl.umn.edu/10374
Registros recuperados: 7
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