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岛屿物种平衡学说
释义
岛屿物种平衡学说
Encyclopedia
农学
〔害虫生物防治理论〕
释
theory of island species equilibrium
岛屿物种平衡学说
认为由于岛屿面积和隔离程度的限制,新物种的迁入和岛屿上原有物种的灭绝会随时间不断变化,当物种的迁入率和灭绝率相等时岛屿物种的数目将趋于动态平衡并且在一定时间内会保持稳定的理论。
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hand tool
hand towel
hand truck
Handuchun
Handuchun opera of the Sibe people
hand-waving dance
Hand-Waving Songs
hand winch
handwork
hand-woven cotton and pile tapestry with magnolia,crabapple and peony patterns
handwriting
handwriting after drinking
handwriting characteristics
handwriting identification
handwriting input method
handwriting of changing shape
handwriting of destroying the structure
handwriting tablet
handwriting that changes the stroke pattern
handwriting written by an injured patient
handwriting written by the elderly
handwriting written in standing position
handwriting written on different objects
handwritten archival publications
handwritten character recognition
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