对昆明石灰岩地区岩溶山地植物的自然环境、植被类型、植物资源进行实地调查。
The field survey on resources, vegetation types and natural environment of the plants of karst mountains in Kunming area has been done.
中国山地环境气象学是研究中国山地与大气、自然环境之间相互作用的一门交叉学科。
The China Mountain Environment Meteorology (CMEM) is a cross subject studying on the interactions among mountain, atmosphere, environment, and human activities.
本文认为，虎患既与人类过分开垦山地导致自然环境恶化有关，又与当时战乱动荡导致社会极度破败有关。
This article argues that the tiger calamities related not only to the environmental deteriorations caused by excessive cultivations, but also to the serious destructions of society caused by war.
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