论文部分内容阅读
在森林生态系统中,各种生物与非生物之间不断地进行着物质及能量的转化与交换,使它们彼此联系,形成一个有机的综合体。食物链是这种物质及能量转化与交换保持相对平衡的纽带。森林生态系统内各种生物种群在食物链中
In the forest ecosystem, the conversion and exchange of matter and energy between various living beings and non-living beings continuously bring them into contact with each other to form an organic complex. The food chain is the bond between the material and energy conversion and exchange. Various biological species within the forest ecosystem are in the food chain