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首页> 美国政府科技报告 >Science Findings, Issue 172, April 2015. A Bird's-Eye View: Land-Use Planning and Assessments in Oregon and Washington.
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Science Findings, Issue 172, April 2015. A Bird's-Eye View: Land-Use Planning and Assessments in Oregon and Washington.

机译：科学发现，第172期，2015年4月。鸟瞰图：俄勒冈州和华盛顿州的土地利用规划和评估。

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Developing forest lands and agricultural lands for other uses has wide-ranging implications. Land development can affect production from forest and agricultural lands, wildlife habitat quality, the spread of invasive species, water quality, wildfire control, and infra- structure costs. In its attempts to mitigate these effects, Oregon implemented statewide land-use planning laws in the early 1970s. Washington established less prescriptive laws in the 1990s. Policy-makers, land managers, and various interest groups want to know the effect these laws have had on land use.Scientists with the Pacific Northwest Research Station found that Oregon’s laws have been more effective in control-ling wholesale land conversion, but in neither state have land-use laws affected the increases in dispersed housing. The scientists also identified a nation-wide need to better specify land-use assessment methods and clarify the definitions used in assessments. They used a mix of assessment techniques, but emphasized the value of aerial photography as an important tool to increase the accuracy of land-use assessments.The Oregon Board of Forestry used data from the study to assess the effectiveness of its conservation policies and establish benchmarks for maximum allowable loss of forest land. In Washington, the Department of Natural Resources has shown interest in using the data to analyze housing density near intensive agriculture and associated risks of pesticide exposure, fire, and floods.

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