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We describe two events of water plant extinction in the Hula Valley, northern Israel: the ancient, natural extinction of 3 out of 14 extinct species at Gesher Benot Ya‘aqov, which occurred some 800–700 k.yr., and an anthropogenic, near contemporary extinction of seven species in the artificial drainage of the Hula Lake in the 1950s. We conclude that the considerable fraction of water plants that disappeared...
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