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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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fruit tree
fruit tree asexual hybridization breeding
fruit tree clonal rootstock
fruit tree container seedling
fruit tree cross breeding
fruit tree cultivation system
fruit tree culture
fruit tree intermediate stock
fruit tree introduction
fruit tree planting density
fruit tree planting technique
fruit tree ploidy breeding
fruit tree propagation
fruit tree propagation by seeds
fruit tree removing rootstock buds
fruit tree rootstock
fruit tree tissue culture seedling
fruit tree training andpruning
fruit tree wild relatives
Fruit Vegetable Fresh Keeping Handbook
fruit vinegar
fruit wine
Frumkin correction
FRUMP natural language understanding system
FRUMP自然语言理解系统
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