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共检索到7条 ,权限内显示50条;

Targeting Investments To Cost Effectively Restore and Protect Wetland Ecosystems: Some Economic Insights
- 关键词:
- Wetland valuation wetland costs wetland benefits ecosystem services environmental targeting nonmarket values wetland amenities cost-effective conservation duck hunting nitrogen removal
- 年份:
- 2015
- 摘要:
- The environmental benefits of restoring and preserving wetlands-including cleane ...

Major Uses of Land in the United States, 2007
- 关键词:
- Land use land-use change agricultural land nonagricultural land cropland forest-use land forestland pasture rangeland rural residential land
- 年份:
- 2011
- 摘要:
- ); grassland pasture and rangeland at 614 million (27 percent); cropland at 408 ...

The Economics of Agricultural and Wildlife Smuggling
- 年份:
- 2009
- 摘要:
- The United States bans imports of certain agricultural and wildlife goo ...

The Use of Markets To Increase Private Investment in Environmental Stewardship
- 关键词:
- wildlife
- 年份:
- 2008
- 摘要:
- wildlife habitat. Environmental services are often valued by society, ...

Major Uses of Land in the United States, 2002
- 关键词:
- Land use land-use change agricultural land nonagricultural land cropland forest-use land forestland pasture rangeland rural residential land
- 年份:
- 2006
- 摘要:
- and wildlife areas), 297 million acres (13.1 percent); miscellaneous o ...

U.S. Wildlife Damage
- 年份:
- 2002
- 摘要:
- This report will show the total crop and livestock losses incurred by agricultu ...

Economic Valuation of Environmental Benefits and the Targeting of Conservation Programs: The Case of the CRP
- 关键词:
- Conservation Reserve Program soil erosion Environmental Benefits Index valuation-based targeting
- 年份:
- 1999
- 摘要:
- factors that may also be beneficial. For example, preserving habitats can help ...
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