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Variable retention harvesting in the Douglas-fir region

ecological Processes 2020年第1期9卷 83-92页

作者： Jerry F.Franklin Daniel C.Donato School of Environmental and Forest Science College of the EnvironmentUniversity of WashingtonSeattleWA 98195USA Washington Department of Natural Resources OlympiaWA 98504USA

Variable retention harvesting evolved in the Douglas-fir region of the Pacific Northwest gradually in response to increasing dissatisfaction with the ecological consequences of clear-cutting,from the standpoint of wildlife habitat and other important forest *** is a harvesting technique that can provide for retention(continuity)of such structures as large and old live trees,snags,and *** retention is based on the natural model of the biological legacies that are typically left behind following natural disturbances,such as wildfire,wind,and *** retention is also an important technique for fulfilling the first silvicultural principle of ecological forestry,that of providing for continuity in structure,function,and composition between forest *** history and current application of variable retention approaches on forests in western Washington and Oregon states(USA),where many of the fundamental concepts were first developed and applied,is described in this article.

关键词： Biological legacies ecological forestry Biodiversity conservation Long-term sustainability Washington and Oregon states

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Community forestry and Sustainable Development in Rural Area

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Chinese forestry Science and Technology 2003年第4期2卷 42-49页

作者： XU GuozhenCollege of Resources and Environment Central South forestry University. Zhuzhau 412006. P.R. China

After analysis on the current situation of international forestry, this paper proposes that integration, coordination and sustainable development will be the general developing trend of forest in China, and commercial forest, ecological forest and community forest should be organically combined with integrative development and sustainable development in rural areas. This paper focuses especially on clarifying the importance of community forest to the social development or rural areas, and emphasizes tha...

关键词： commercial forestry ecological forestry community forestry sustainable development

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