Economic values of the U.S. wilderness system: research evidence to date and questions for the future.
作者： John B. Loomis , Robert Richardson
DOI:
关键词: Ecosystem services 、 Environmental resource management 、 Valuation (finance) 、 Social benefits 、 Biodiversity 、 Wilderness 、 Systems research 、 Geography 、 Recreation 、 Natural resource economics
摘要: Economic values from the protection of natural environments such as wilderness, can be grouped into eight categories: recreation, community, passive use, scientific, biodiversity, off-site, ecological services, and education. This article reviews what is known about these values. While monetary calcu- lated for only a few benefit categories some benefits within those categories, estimated amount to U.S. $3 4 billion dollars annually.
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