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自然环境的破坏、公害问题的严重化,造成生活环境的恶化。过去环境污染主要采用理化方法监测。1975年10月,日本爱知县选设了6处“环境指示林”,拟长期调查研究整个森林变化及动植物和环境的相互关系,评价环境指示林所代表的地域环境,供选择人类最适生存环境参考,并作自然保护的一个理论根据。调查范围涉及到社会学、生态学、动植物学和气象学等,为一项综合学科的调查研究。这种以森林(自然生态系的代表)为媒介,调查研究生物共同体结构的生态学方法,对当地环境
The destruction of the natural environment, the serious problem of pollution, resulting in the deterioration of the living environment. In the past, environmental pollution was mainly monitored by physical and chemical methods. In October 1975, Aichi prefecture, Japan, set up six “environmental indicator forests”, intends to conduct a long-term investigation of the entire forest changes and flora and fauna and the interrelationship, evaluation of environmental indicators forest represented by the regional environment for the selection of human optimum Living environment for reference, and make a theoretical basis for the protection of nature. The survey covers sociology, ecology, zoology, botany and meteorology and is a comprehensive study of the subject. This approach to the ecology of forests, a representative of the natural ecosystem, investigates the structure of the biological community,