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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 Old field (ecology) ： ウィキペディア英語版 Old field (ecology) Old field is a term used in ecology to describe lands formerly cultivated or grazed but later abandoned. The dominant flora include grasses, heaths and herbaceous plants, with encroaching woody vegetation. It represents an intermediate stage found in ecological succession in an ecosystem advancing towards its climax community. The concept of climax communities has been challenged in recent years. Old field sites are often marginal lands with soil quality unsuitable for crops or pasture. Examples include abandoned farmlands in central Ontario, along the edge of the Canadian Shield. ==See also== *Brownfield land: abandoned or underused industrial and commercial facilities *Greenfield land: undeveloped land in a city or rural area *Indian old field: land formerly occupied or used by Native Americans in the United States 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「Old field (ecology)」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.