生态平衡(ecological balance)是指生态系统中的生物和环境之间,以及生物各个种群之间,在一定的时间内通过能量流动、物质循环和信息传递,使彼此之间达到高度适应、协调和统一的状态。这也就是说,当生态系统处于平衡状态时,系统内各组成成分之间保持着一定的比例关系,在生态系统内部 Ecological balance refers to the ecological balance between biological and environmental, as well as biological populations, within a certain period of time through the energy flow, material circulation and information transfer, so that each other to achieve a high degree of adaptation, coordination and Unified status. This means that when the ecosystem is in balance, the components of the system maintain a certain proportion between the ecosystem within