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首页> 外文学位 >Protecting old growth and other non-timber forest values in Idaho's state forests: A policy sciences approach for integrated natural resource management.
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Protecting old growth and other non-timber forest values in Idaho's state forests: A policy sciences approach for integrated natural resource management.

机译：保护爱达荷州州立森林中的老树和其他非木材森林价值：综合自然资源管理的政策科学方法。

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Managing old growth forests on state trust lands in Idaho calls for an integrated "policy sciences" approach for balancing the Idaho Constitution's mandate to "maximize long term financial returns" with social and environmental values. This problem is addressed by considering management alternatives in their social and decision contexts using multiple methods appropriate for the problem situation. The amount of forests with old growth characteristics varies by definition. For example, between one and thirty percent of the 184,035 acre Priest Lake Supervisory Area could be considered old growth. Understanding the social, political, ecological, and economic factors associated with the management of state trust lands was enhanced by studying old growth policies on state trust lands in Montana, Washington, and Oregon, and interviewing managers and environmental group stakeholders. Their perceptions of ecological, social, and economic risks were used to design a systematic framework for analyzing old growth management strategies using risk factors with spatial attributes in existing data bases. Study results indicate that to support old growth forest management on state trust lands in Idaho, a two-phased analysis is needed to identify: (1) the financial feasibility of timber management alternatives within a given stand, and (2) the social, ecological, and economic risk factors associated with individual stands. Phase one analyzes five alternatives by projecting fixture timber resources, visualizing results and comparing opportunity costs. For phase two, maps were created to display the interplay of risk factors, including prior or planned timber management, scenic viewsheds, and fish and wildlife habitat. These risk maps can help decision makers compare timber management options with social values, and also identify levels of controversy for each old growth stand. Such maps illustrate the utility of visual products, and the need for better forest inventory data to do meaningful analysis and establish monitoring baselines for social, environmental, and economic performance measures. The integrated mapping process can be adapted to other resource management issues with temporal and spatial dimensions. The resulting analysis of social, economic, and ecological risk factors can help policy makers and managers make sustainable resource management decisions.
机译：在爱达荷州的国家信任土地上管理旧的生长林，要求采取综合的“政策科学”方法，以平衡《爱达荷州宪法》的授权，以“最大化长期财务回报”与社会和环境价值。通过使用适合问题情况的多种方法，在社会和决策环境中考虑管理替代方案，可以解决此问题。具有老龄生长特征的森林数量因定义而异。例如，在184,035英亩的Priest Lake监督区中，有百分之一到百分之三十被认为是旧的增长。通过研究蒙大拿州，华盛顿州和俄勒冈州的国家信任土地上的旧增长政策，并采访管理者和环境集团利益相关者，可以加深对与国家信任土地管理相关的社会，政治，生态和经济因素的了解。他们对生态，社会和经济风险的理解被用来设计一个系统的框架，以使用现有数据库中具有空间属性的风险因素来分析旧的增长管理策略。研究结果表明，为了支持爱达荷州国家信任土地上的老龄林管理，需要分两阶段进行分析，以确定：（1）给定林分内木材管理替代品的财务可行性，以及（2）社会，生态以及与各个展位相关的经济风险因素。第一阶段通过投影固定木材资源，可视化结果并比较机会成本来分析五种替代方案。在第二阶段，创建了地图以显示风险因素的相互影响，包括先前或计划的木材管理，风景秀丽的景观以及鱼类和野生动植物的栖息地。这些风险图可以帮助决策者将木材管理方案与社会价值进行比较，还可以确定每个旧增长林地的争议程度。这样的地图说明了视觉产品的实用性，以及需要更好的森林清单数据来进行有意义的分析并建立社会，环境和经济绩效衡量指标的监测基准的需求。集成的映射过程可以适应具有时间和空间维度的其他资源管理问题。对社会，经济和生态风险因素的分析结果可以帮助决策者和管理者做出可持续的资源管理决策。

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