primary forest
英 [ˈpraɪməri ˈfɒrɪst]
美 [ˈpraɪmeri ˈfɔːrɪst]
原始森林
双语例句
- The primary vegetation is broad leaf forest and it was denuded in the history.
当地的原始植被为常绿阔叶林和落叶阔叶林，但均遭到严重的破坏。 - This park is one of the last major remnants of the primary tropical forest of West Africa.
这个公园是西非剩下的最后一个重要的原生热带森林。 - ITTO's Classification and Definition on Primary Forest, Degraded Primary Forest, Secondary Forest and Other Categories of Tropical Forests
ITTO对原始林、退化原始林、次生林和其他热带森林类别的界定 - It takes 70,000 years to grow a primary forest.
一片原始森林需要7万年才能长成。 - Species composition and synusia structure of ground bryophyte communities under different aged spruce plantations and primary forest in the upper reaches of the Dadu River, Sichuan
大渡河上游不同林龄云杉人工林与原始林下地表苔藓层片结构与物种组成 - The world's growing population has been a primary cause of rain forest destruction.
世界人口的日益增长是造成热带雨林破坏的一个主要原因。 - Studies on Net Primary Productivity of Forest Ecosystem
森林生态系统净初级生产力模拟研究 - A study on the age structure of primary Korean pine forest in the Xiao Xing an Mountain
小兴安岭五营林区原始红松林年龄结构的研究 - Throughfall and Stemflow in a Primary Spruce Forest in the Subalpine of Western Sichuan
川西亚高山原始云杉林内降雨分配研究 - Based on comparison between primary tropical rain forest and rain forests with Amomum villosum plantation in different disturbance intensity, influences of Amomum planting on species composition, individual abundance, community structure, physiognomy and forest dynamics etc.
通过对各种不同状况的林下种植砂仁的热带雨林片断与同样类型的原始热带雨林的比较研究，探讨了砂仁种植对热带雨林植物多样性各个方面的影响。 - Tree layer coverage is one of the primary numerical characteristics of forest community.
乔木层盖度是森林群落的主要数量特征之一。 - Dry-season dynamics of soil inorganic nitrogen pools in primary Lithocarpus xylocarpus forest and degraded vegetations in Ailao mountain, Yunnan Province
哀牢山木果柯林及其退化植被下土壤无机氮库的干季动态特征 - This study focused on the effects of annual net primary productivity of forest ecosystem and habitat complexity of Huanglong Nature Reserve on the species diversity of small mammals.
本研究主要探讨黄龙自然保护区森林生态系统年净初级生产力水平和栖息地复杂程度对小型兽类物种多样性的影响。 - Effects of Annual Net Primary Productivity of Forest Ecosystem and Habitat Complexity on Species Diversity of Small Mammals
森林生态系统年净初级生产力和生境复杂度对小型兽类物种多样性影响 - The conclusion provides primary bases for forest nonage selection.
这一结论可为林木早期选择提供初步依据。 - The importance values of main species in primary forest stand and the elevation follow the regular patterns.
朗乡林区原生主要林型中主要树种的重要值随海拔高度明显的变化规律。 - A study on biomass of the primary tropical seasonal rain forest in Xishuangbanna
西双版纳原始热带季节雨林生物量研究 - The last is the human activities including destruction of the primary forest, unreasonable reclamation and excessive overgrazing.
三是包括滥樵、乱垦和过牧的人类活动的影响。 - Most studies suggest that selective logging increases the diversity and abundance of generalists or common species with wide distributions but reduces the diversity and abundance of specialists or rare species with limited distributions which require primary forest.
大多数研究认为，在采伐迹地中，分布范围广或广适应种的物种多样性或丰富度将增加，而适应于原始林的专化种或狭生种的物种多样性或丰富度将下降。 - Small mammals of forest type are mainly distributed in shrubland, secondary forests and primary forest, which are clustered into one group.
灌丛、原生林和次生林中主要分布有森林型小型哺乳动物，聚为一类，为森林群落型； - A primary study on the forest carrying-capacity of the coastal shelter-Forest System in Shandong Province
山东沿海防护林体系森林承载能力 - The prediction of current primary forest showed that it was steady during the next 300 year period, the number of trees and the biomass of Korean pine changed very little.
对现实原始林预测显示，森林未来300年变化稳定，红松株数和生物量变化很小。 - This district was very rich in biological resources. There was surviving primary forest in some areas, it was of great importance to research and economy and sightsee as well.
生物资源极其丰富，局部保存有原始森林，具有重要的科研、经济价值； - And it revolved the forest carrying capacity appraisal and the forecast question to limit the forest carrying capacity concept. It analyzed its connotation and the primary factors that influence forest supporting capacity and established the forest carrying capacity evaluation index system.
围绕着森林承载力评价与预测问题，以区域性为指导思想，辨析森林承载力的概念，分析其内涵及影响森林承载力的主要因素，建立了闽江流域森林承载力评价指标体系。 - The primary forest had more lichens species, with unevenness distribution.
原生林中附生地衣种类较多，但分布不均匀。 - Because of the difference of the original forest vegetation and human disturbance and operation of primary mixed broadleaved-Korean pine forest, spatial variability of soil respiration were different.
表明原始林植被（阔叶红松林和谷地云冷杉林）的差异或者原始林（阔叶红松林）经过人为干扰和经营后，使得土壤呼吸展现出了不同的空间变异特征。 - In view of forest restoration and rehabilitation, system of forest landscape element types was set up, mainly including degraded primary forest, secondary forest, degraded forest land and plantation.
从森林景观恢复和森林经营的角度，建立了适用于FLR的森林景观要素分类系统，包括退化原始林、次生林、退化林地、人工林等类型。 - Peak-cluster depression area of karst region were divided into four ecological areas according to artificial disturbance and characteristics of vegetation in the present study, including artificial forest area, secondary forest area, primary forest area and disturbed area.
本研究根据干扰程度和植被特征，将喀斯特峰丛洼地划分为自然保护原始森林区、自然恢复次生林区、综合治理人工林区和人为干扰区4个生态功能区。 - In the primary forest in Mengla natural reserve, orange and blue fruits were significantly preferred to black and red fruits. In the old forest in Wild Elephant Valley natural reserve, red and orange fruits were significantly preferred to blue and black. 3.
在勐腊自然保护区原生林内，橙色和蓝色果实丢失数量显著大于红色和黑色果实；在野象谷自然保护区原生林内，红色和橙色果实丢失数量显著大于蓝色和黑色果实。