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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Penobscot Experimental Forest ： ウィキペディア英語版 Penobscot Experimental Forest The Penobscot Experimental Forest (PEF) is an Experimental Forest managed by the US Forest Service (USFS) in the towns of Bradley and Eddington, in the state of Maine, USA.〔(United States Department of Agriculture - forest service locations ) Retrieved 25 September 2010〕 The mission of the PEF is to afford a setting for long-term research conducted cooperatively by USDA Forest Service scientists, university researchers, and professional forest managers in Maine; to enhance forestry education of students and the public; and to demonstrate how the timber needs of society are met from a working forest.〔(Penobscot Experimental Forest : 60 Years of Research and Demonstration in Maine, 1950-2010 ) U.S. Department of Agriculture〕 The forests that encompasses the PEF today were originally purchased by nine pulp, paper, and land-holding companies in 1950 and was leased to the USFS Northeastern Forest Experiment Station as a site for long-term forest management and research. In 1994, the PEF was donated to the University of Maine. Since then the PEF has been jointly managed by the University of Maine and the USFS. The primary research experiment at the PEF has been a long-term silviculture experiment, which contains a replicated treatments from a range of even-age and uneven-age silvicultural prescriptions, including clearcut, shelterwood, selection, diameter-limit, and unmanaged silvicultural treatments. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Penobscot Experimental Forest」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.