石灰岩山地是荒山造林的重点和难点。
The limestone mountainous region is the highlight and most difficult point of afforestation.
分析了山东省石灰岩山地的地形、气候、土壤和植被的特点。
The characteristics of the topography, climate, soil and vegetation in Shandong limestone mountainous region are analyzed.
茂兰保护区是我国亚热带地区石灰岩山地天然森林保存面积最大的区域。
Maolan Reserve is the largest maintaining primary forest area in Chinese subtropical limestone mountains.
本文以皖北地区的石灰岩山地为对象，对该地区的植被进行了调查和研究。
The limestone mountain in northern of Anhui was selected and the vegetations was investigated in this paper.
本文以皖北地区的石灰岩山地为对象，对该地区的植被进行了调查和研究。
Investigation on natural secondery growth forest commulities in limestone mountain region of Shexian county;
利用118块野外标准地资料，对晋东南石灰岩山地油松人工林进行了立地类型划分及生长评价。
The division of site types and appraisal of growth were studied with data from 118 sample plots on Chinese pine in the calcareous mountain areas, Shanxi Province.
石灰岩地区的石漠化实质上是石灰岩山地严重的水土流失和生态平衡失调的最终表现，具有很大的危害性。
The petridesert actually is the expression of soil erosion and ecology balance dislocation in karst area. The harmfulness is obvious.
周口店附近的山地多为石灰岩，在水力作用下，形成许多大小不等的天然洞穴。
The mountains around Zhoukoudian are mostly made up of limestone which, under the erosion of dripping water, formed up into caves of various sizes.
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.
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.
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