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food chain of aquatic ecosystem
释义
food chain of aquatic ecosystem
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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Deep processing of agricultural products
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deep-rooted sore
deep-rooted sore of hand and foot
deep-seabed vehicle
deep sea core drilling
Deep Sea Drilling Program
Deep Sea Drilling Project,DSDP
deep-sea drilling technology
deep-sea drill rig sampling
deep-sea ecosystem
deep sea engineering
deep sea exploration
deep-sea exploration equipment
deep-sea gas-tight sampling technique
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deep sea integrated δ18O record
deep-sea long pressure core sampling
deep sea microbes
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deep-sea property-remain sampling technique
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