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・ Bioenergy
・ Bioenergy (corporation)
・ Bioenergy (disambiguation)
・ Bioenergy Action Plan
・ Bioenergy in China
・ Bioenergy Program
・ Bioenergy village
・ Bioenhancer
・ Bioenvironmental Engineering
・ Bioequivalence
・ Bioerosion
・ BioEssays
・ BioEthanol for Sustainable Transport
・ Bioethics
・ Bioethics (journal)
Bioevent
・ BioExtract
・ BioFabric
・ Biofabrication
・ BioFach
・ Biofact
・ Biofact (archaeology)
・ Biofact (biology)
・ Biofact (philosophy)
・ Biofacticity
・ Biofar
・ Biofeedback
・ Biofeedback Certification International Alliance
・ Biofertilizer
・ Biofield


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Bioevent : ウィキペディア英語版
Bioevent
A bioevent or bio-event (a shortening of 'biotic event' or 'biological event') is an event recognised in a sequence of sedimentary rocks, where there is a significant change in the biota as recorded by assemblages of fossils over a relatively short period of time. It has been defined as "short-term (hours or days to kyrs) locally, regionally, or interregionally pervasive changes in the ecological, biogeographical, and/or evolutionary character of biotas that are isochronous or nearly so throughout their range". Bioevents either relate to diversification of a particular fossil group or a reduction, these may equate to speciation events or extinction events, or may only represent migration. Records of the appearance and disappearance of particular taxa at a single locality are insufficient to define a bioevent.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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