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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Comparing linear programming and mixed integer programming formulations for forest planning on the Naval Surface Weapons Center, Dahlgren, Virginia

Cox, Eric Selde 10 November 2009 (has links)
This research project examined the ability to combine spatial data analysis and mathematical programming techniques in developing a multiple-use land management plan for a public forest in northeastern Virginia. Linear programming-based timber management scheduling models were constructed utilizing the Model I formulation of Johnson and Scheurman (1977). The models were formulated as mixed strata-based, area-based models (Johnson and Stuart 1987) that maximized present net worth subject to a fixed timberland base, an ending inventory requirement, workload control restrictions, and harvest volume control restrictions. The linear programming-based models which incorporated spatial data analysis capabilities were solved using mixed-integer programming. The model was used to assess the costs of implementing spatial restrictions designed to address forest resource management concerns, in particular, timber production and reserve status acreage for wildlife habitat purposes. The impact of imposing alternative spatial stand allocation requirements and different levels of reserve status acreage was evaluated by measuring the cost in terms of reductions in the present net value (PNV) of timber benefits and timber harvest volumes. The results indicate that the optimal solution value is more sensitive to the level of reserve status acreage imposed on the model than to the spatial restrictions for stand allocations placed on the model. / Master of Science
2

An evaluation of stakeholder involvement in the B.C. Ministry of Forests planning process

Duffy, Dorli M. 05 1900 (has links)
Disputes over forest land use and forest land management continue despite a formal planning process administered by the Ministry of Forests that is designed to achieve integrated resource use planning on B.C. Crown lands. These disputes result in costly and time-consuming delays in the completion and implementation of forestry plans. Calls continue for improved stakeholder participation and effective resolution of disputes and conflicts by the Ministry of Forests. At the same time, there is growing interest among decision-makers in alternative dispute resolution strategies, and particularly in the opportunities associated with consensus-based decision-making. The primary purpose of this thesis is to evaluate the Ministry of Forests forest planning process to determine if inadequacies in the institutional arrangements contribute to inadequate stakeholder involvement, thereby contributing to ongoing forestry disputes. Through a review of literature on participatory democracy and conflict management, twelve normative criteria are extracted, comprising elements of a planning and decision-making process which contribute to fairness, efficiency and stability in decision-making. These criteria are applied to the Ministry of Forests planning framework. Generally, the current planning framework proves inadequate in terms of making provisions for stakeholder involvement and conflict management. Decision-making by government provides limited opportunities for stakeholder involvement. Reforms to the planning process are necessary if fair, efficient and stable decisions are to be realized. Legislation must be amended to provide for meaningful stakeholder involvement, an appeal process and improved access to information. A comprehensive planning document which clearly defines the planning and decision-making processes is required. It should also clearly outline stakeholder involvement opportunities, key decision points and the appeal process. Provisions are required for intervenor funding, written reasons for decisions and effective monitoring of decision implementation. These revisions will contribute to a process which builds trust, relationships and understanding between forestry stakeholders in an effort to reduce forestry conflicts and disputes in this province.
3

An evaluation of stakeholder involvement in the B.C. Ministry of Forests planning process

Duffy, Dorli M. 05 1900 (has links)
Disputes over forest land use and forest land management continue despite a formal planning process administered by the Ministry of Forests that is designed to achieve integrated resource use planning on B.C. Crown lands. These disputes result in costly and time-consuming delays in the completion and implementation of forestry plans. Calls continue for improved stakeholder participation and effective resolution of disputes and conflicts by the Ministry of Forests. At the same time, there is growing interest among decision-makers in alternative dispute resolution strategies, and particularly in the opportunities associated with consensus-based decision-making. The primary purpose of this thesis is to evaluate the Ministry of Forests forest planning process to determine if inadequacies in the institutional arrangements contribute to inadequate stakeholder involvement, thereby contributing to ongoing forestry disputes. Through a review of literature on participatory democracy and conflict management, twelve normative criteria are extracted, comprising elements of a planning and decision-making process which contribute to fairness, efficiency and stability in decision-making. These criteria are applied to the Ministry of Forests planning framework. Generally, the current planning framework proves inadequate in terms of making provisions for stakeholder involvement and conflict management. Decision-making by government provides limited opportunities for stakeholder involvement. Reforms to the planning process are necessary if fair, efficient and stable decisions are to be realized. Legislation must be amended to provide for meaningful stakeholder involvement, an appeal process and improved access to information. A comprehensive planning document which clearly defines the planning and decision-making processes is required. It should also clearly outline stakeholder involvement opportunities, key decision points and the appeal process. Provisions are required for intervenor funding, written reasons for decisions and effective monitoring of decision implementation. These revisions will contribute to a process which builds trust, relationships and understanding between forestry stakeholders in an effort to reduce forestry conflicts and disputes in this province. / Applied Science, Faculty of / Community and Regional Planning (SCARP), School of / Graduate

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