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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 Railroad ecology ： ウィキペディア英語版 Railroad ecology Railroad ecology is a term used to refer to the study of the ecological community growing along railroad tracks. Such ecosystems have been studied primarily in Europe. Similar conditions appear also by roads used by vehicles. ==Conditions== Railroad beds, like road beds, are designed to drain water away from the tracks, so there is usually a bed of rock and gravel resulting in fast drainage away from the tracks. At the same time, this drainage often accumulates in areas fairly near the tracks where drainage is poor, forming small artificial wetlands. These unnatural conditions combine to form different zones, some in which water is scarce, others in which water is abundant. 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「Railroad 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.