原始林地 meaning in Chinese

undisturbed woodland
virgin wood land

The undisturbed woodland on hillslopes and the long shoreline are zoned " ca " and " cpa " respectively . scenic coastal area at tai mong tsai ma on shan ozp
山坡上的原始林地和绵延海岸线范围已分别划作自然保育区地带和海岸保护区地带。
Based on the principle of significant effect of soil fertility factors on forest growth , soil physical factors ( natural water content , bulk density , total porosity , capillary porosity , aggregate degree , coarse silt and physical clay ) , chemical factors ( om . total n , alkali - hytrolyzable n , total p , humus and ha / fa ) and biological factors ( urease , acidphosphotase , invertase and microbes ) were selected as evaluation index system of soil fertility . applying principal component analysis , soil ifi of subalpine coniferous forest was calculated
从土壤物理、化学、生物学三方面出发，建立了川西亚高山针叶林不同演替阶段土壤肥力评价指标体系，应用主成分分析，计算出不同演替阶段土壤肥力综合指标值( ifi ) ，各演替阶段大小顺序为： 10年生云杉林地迹地原始林地次生桦木林地30年生云杉林地20年生云杉林地50年生云杉林地60年生云杉林地40年生云杉林地。