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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 Pacific Marine Ecozone (CEC) ： ウィキペディア英語版 Pacific Marine Ecozone (CEC) The Pacific Marine Ecozone is a Canadian and American marine ecozone〔 〕 extending to the international waters of the Pacific Ocean from the coasts of Alaska, British Columbia, Washington and Oregon. The islands within the Canadian portion are part of the adjacent Pacific Maritime ecozone. Famous for its tourism and an important shipping channel for Canada, the zone is subject to intense human activity which has damaged ecosystems. Primary effects include overfishing, pollution and even direct habitat destruction. The large and increasing population in nearby coastal areas, including the major centres of Vancouver and Seattle, exerts significant strain on the natural habitats within this ecozone.〔 ==Geography== The large rivers flowing from the Rocky Mountains are a source of nutrients for this ecologically diverse region.〔 They enter the shallow waters over the continental shelf, which underlays the entire ecozone and represents the edge of the North American tectonic plate. This plate is constantly folding under the Pacific Plate, causing volcanic activity at their juncture and earthquakes along the coast.〔 〕 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「Pacific Marine Ecozone (CEC)」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.