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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 Bioturbation ： ウィキペディア英語版 Bioturbation Bioturbation is the reworking of soils and sediments by animals or plants.〔http://www.cell.com/trends/ecology-evolution/abstract/S0169-5347(06)00243-6〕 Its effects include changing texture of sediments (diagenetic), bioirrigation and displacement of microorganisms and non-living particles. Common bioturbators include annelids ("ringed worms") such as oligochaetes and Spirobranchus giganteus, bivalves like mussels, clams, gastropods, holothurians, or any other infaunal or epifaunal organisms. Faunal activities, such as burrowing, ingestion and defecation of sediment grains, construction and maintenance of galleries, and infilling of abandoned dwellings, displace sediment grains and mix the sediment matrix. ==Aquatic Bioturbation== The process leads to an increase in sediment-water interface, which facilitates particle exchange between the sediment and water column. In coral reefs sea cucumbers are one of the important bioturbators, capable of reworking approximately 4600 kg(dry weight) of sediment 1000 m² per year.〔http://www.mendeley.com/research/serial-exploitation-global-sea-cucumber-fisheries/〕 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「Bioturbation」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.