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十五、关于生态环境问题 (一)生态环境与生态革命。所谓生态环境,就是指影响生态系统发展的各种生态要素(包括气候条件、土壤条件、生物条件、地理条件、人为条件等)的总体,同时,也包括自然环境(如森林生态环境、海洋生态环境等)和社会环境(如城市生态环境、工厂生态环境等)中的生态环境部分。其内容大体分三个层次:一是生态因素,二是生态系统,三是生态平衡。从概念的外延上讲,它属于环境中的一部分,即主要由环境中的大气、水、土地、森林、草原、野生动植物、水生生物、自然保护区等因素构成。所谓生态系统则主要是指生物群落与周围环境相互作用,不断进
Fifteen, on the ecological environment (a) the ecological environment and ecological revolution. The so-called ecological environment refers to the overall impact of various ecological factors (including climatic conditions, soil conditions, biological conditions, geographical conditions, man-made conditions, etc.) that affect the development of ecosystems, and also includes the natural environment (such as forest ecology, marine ecology Environment, etc.) and social environment (such as urban ecological environment, factory ecological environment, etc.) in the ecological environment. Its content is roughly divided into three levels: First, ecological factors, the second is the ecosystem, the third is ecological balance. Conceptually, it belongs to the environment as a part of it. It is mainly composed of the atmosphere, water, land, forests, grasslands, wildlife, aquatic organisms and nature reserves in the environment. The so-called ecosystem is mainly refers to the interaction of biological communities and the surrounding environment, keep moving