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水生生态系统食物链
释义
水生生态系统食物链
Encyclopedia
农学
食物链
释
food chain of aquatic ecosystem
水生生态系统食物链
在水生生态系统中,从植物、细菌和有机物开始,物质和能量通过摄食与被摄食在各营养级的水生生物间依次传递所形成的链状营养关系。当能量在食物链传递时,每经过一个营养级就有一部分能量会损失掉。因此,食物链不可能无限加长,水生生态系统食物链的营养级通常只有4~5级。
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assimilate
assimilation
assimilation and accomodation
assimilation and contamination
assimilation change
assimilation-fractional crystallization
assimilation of barbarians with the Han doctrines
assimilation of members in tissues
assimilative transfer
assimilatory nitrate reduction
assimilatory sulfate reduction
assistance to the vulnerable
assistant commandant of Hunchun
assistant department magistrate
assistant designer
assistant director
assistant drug
assistant list
assistant or aide to the chief official
assistant pastor
assistant sound editor
assistant stage manager
assisted global positioning system
assisted model building with energy refinement
assisted model building with energy refinement, AMBER
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