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tropical forest ecosystem
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  热带森林生态系统
     Designing the Meteorological Observation Iron Tower of Tropical Forest Ecosystem
     热带森林生态系统气象观测铁塔的设计
短句来源
     Taxonomic diversity of main tropical forest ecosystem nature reserves in Hainan Province, China.
     海南主要热带森林生态系统类型自然保护区物种分类多样性研究
短句来源
     Nevertheless the existence of leaf-eating insects plays a positive role to the tropical forest ecosystem in keeping dynamic balance of the biological communi- ties.
     但食叶昆虫的存在,对热带森林生态系统来说,在维持生物群落动态平衡方面,起着积极作用。
短句来源
  热带林生态系统
     THE SUMMARY REPORT FOR STUDIES ON THE TROPICAL FOREST ECOSYSTEM IN JIANFENGLING REGION, HAINAN ISLAND Ⅲ. Water and Heat Regime, Ⅳ. Material Circulation
     海南岛尖峰岭热带林生态系统研究(续)——Ⅲ.热带林水热状况 Ⅳ.热带林物质循环
短句来源
     THE SUMMARY REPORT FOR STUDIES ON THE TROPICAL FOREST ECOSYSTEM IN JIANFENGLING REGION,HAINAN ISLAND I.BIOLOGICAL GENE POOL I.ECOLOGICAL SERIES
     海南岛尖峰岭热带林生态系统研究 Ⅰ.热带北缘生物基因库 Ⅱ.生态系列研究
短句来源
     THE SUMMARY REPORT FOR STUDIES ON THE TROPICAL FOREST ECOSYSTEM IN JlANFENLING REGION, HAINAN ISLAND V. ECOLOGICAL CONSEQUENCE OF SHIFTING AGRICULTURE; Ⅵ. REGENERATION AND SUCCESSION; Ⅶ. CONCLUSION
     海南岛尖峰岭热带林生态系统研究(续)——Ⅴ.游耕农业的生态后果 Ⅵ.更新与演替 Ⅶ.简要结论
短句来源
     This paper summarized the multidiscipline and comprehensive research on the tropical forest ecosystem in Jianfengling region, Hainan Island, during 1979-1986. The background investigation, permanent observation plots and experimental plots have been adopted.
     本文系1979—1986年采用本底调查、小区实验和定位观测等方法对海南岛尖峰岭热带林生态系统进行多学科综合研究的总报告。
短句来源
  “tropical forest ecosystem”译为未确定词的双语例句
     ④Typhoon storm could obviously accelerate loss of nutrient in tropical forest ecosystem;
     ④台风暴雨能加速森林生态系统养分的丧失;
短句来源
     Biodiversity Research of the Small Mountaineous Fungi During Drought Season in the Tropical Forest Ecosystem of Mon-Rung Nature Conservation Station of Xishuangbanna in Yunnan
     西双版纳勐仑山地小型真菌生物多样性研究
短句来源
     Based on the research achievements of tropical hydrology, the functions of water regulation of tropical forest were discussed in the paper. The influences and regulation functions on rainfall, runoff, soil moisture, underground water and water quality of tropical forest ecosystem were emphatically analysed.
     参照国内外对热带森林水文学的研究成果 ,论述了热带森林调节水分的研究进展 ,重点分析了热带林对降水、径流、土壤水分和地下水以及水质量的调节作用。
短句来源
     Although rubber plantation has social and economic benefit in a certain degree,it has obviously threatened the biodiversity and stability of the tropical forest ecosystem.
     西双版纳橡胶种植获得了巨大的社会效益和经济效益,也对热带森林的稳定性和多样性造成威胁。
短句来源
     the fine-root NPP tended to increase from boreal forest,through cold-temperature,warm-temperature and subtropical forest,to tropical forest ecosystem;
     从北方森林到寒温带、温带、亚热带至热带,细根生产量呈增加趋势;
短句来源
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  tropical forest ecosystem
Maintenance of agriculture and human habitats within the tropical forest ecosystem
      
The savanna ecosystem, however, differed from the tropical forest ecosystem by having a greater proportion of trees outside the irrigation plots having stem water with deuterium levels significantly above background.
      
The effect of the initial lignin and nitrogen contents of the leaves of five tree species, on their decomposition dynamics, was studied in the sub-tropical forest ecosystem existing at Shiroy hills.
      
Lignin and nitrogen in the decomposition of leaf litter in a sub-tropical forest ecosystem at Shiroy hills in north-eastern Indi
      
The Amazon forest is the largest continuous tropical forest ecosystem in the world.
      


On the basis of the studies of Xishuangbanna natural conditions, social economic conditions and the strategic needs of the country, this paper expounds and proves that the chief object to be protected in the Xishuangbanna. Reserve is the tropical forest ecosystem or the tropical biological ecosystem, with woody plants, including precious, unusual, peculiar or ancient plants, animals and micro-organisms, etc, as its major components, the important role played by the Xishuangbanna Nature Reserve...

On the basis of the studies of Xishuangbanna natural conditions, social economic conditions and the strategic needs of the country, this paper expounds and proves that the chief object to be protected in the Xishuangbanna. Reserve is the tropical forest ecosystem or the tropical biological ecosystem, with woody plants, including precious, unusual, peculiar or ancient plants, animals and micro-organisms, etc, as its major components, the important role played by the Xishuangbanna Nature Reserve in local economic and social development is simultaneously studied.

本文在研究西双版纳傣族自治州的自然条件、社会经济条件和国家与人类社会对西双版纳的战略需要的基础上,论述了西双版纳自然保护的主要对象是热带森林生态系统,主要是包括珍贵的、稀有的、特有的、古老的动植物和微生物在内的以木本植物为主体的热带生物系统,以及与其相适应的环境系统的统一整体。并探讨了西版纳自然保护在经济社会发展中的重要作用。

This paper summarized the multidiscipline and comprehensive research on the tropical forest ecosystem in Jianfengling region, Hainan Island, during 1979-1986. The background investigation, permanent observation plots and experimental plots have been adopted. The paper consists of 7 parts: the biological gene pool in northern edge of world tropic; ecological series strudy; water and heat regime of tropical forest; nutrient cycling in tropical forest; ecological consequence of shifting...

This paper summarized the multidiscipline and comprehensive research on the tropical forest ecosystem in Jianfengling region, Hainan Island, during 1979-1986. The background investigation, permanent observation plots and experimental plots have been adopted. The paper consists of 7 parts: the biological gene pool in northern edge of world tropic; ecological series strudy; water and heat regime of tropical forest; nutrient cycling in tropical forest; ecological consequence of shifting cultivation; and regeneration and succession after afforestation. There are 1668 plant species of 798 genus, 198 families more than 4000 identified insect species of 26 orders and 260 species of identified macro-fungi. The ecological series from seashore to mountain top consisted of xerophytic thorn shrub, savanna, tropical semideciduous monsoon forest, tropical evergreen monsoon forest, tropical mountain rain forest and mossy forest have been studied by means of comprehensive and comparative description.

本文系1979—1986年采用本底调查、小区实验和定位观测等方法对海南岛尖峰岭热带林生态系统进行多学科综合研究的总报告。本报告共分7部分:世界热带北缘的丰富的生物基因库;生态系列研究;热带林水热状况;热带林物质循环;游耕农业生态后果;热带林采伐后的更新与演替。长期本底调查查明本区有植物1668种,隶属 198科798属;已知昆虫26目 4000余种,已知大型真菌260种。对由海滨至主峰的滨海有刺灌丛、稀树草原、半落叶季雨林、常绿季雨林、山地雨林,山顶苔藓矮林所构成的生态系列进行了组成、结构、土壤、林分生长等特征及其形成的自然地理环境进行了综合性比较研究。

The following changes have been observed on the land for shifting cultivation in tropical forests: increase of air and soil temperature; decrease of relative humidity; ever worsening erosion due to the increase of surface runoff; decrease of water infiltration, water-holding capacity of soil and soil fertility. Continual cultivation transformed the forest land into xerophytic herb community at last, which was hardly to be reforested. The regeneration and succession process of tropical forest had a lot to do...

The following changes have been observed on the land for shifting cultivation in tropical forests: increase of air and soil temperature; decrease of relative humidity; ever worsening erosion due to the increase of surface runoff; decrease of water infiltration, water-holding capacity of soil and soil fertility. Continual cultivation transformed the forest land into xerophytic herb community at last, which was hardly to be reforested. The regeneration and succession process of tropical forest had a lot to do with human activities. Taking the selective cutting with a maintenance of above 0.4 canopy density is beneficial to the restoration of the forest. Protection of the tropical forest ecosystem should be considered as the main managerial principle of Jianfengling forest region, Hainan Island.

热带林地经游垦后气温和土温增高,相对湿度降低,水土流失加剧,地表迳流加大,土壤入渗量减少,贮水能力减弱,肥力下降。反复烧垦后形成茅草坡,难以恢复。热带林的更新和演替方向视采伐方式及人为活动干扰程度而异,采取保持郁闭度0.4以上的择伐,对森林恢复比较有利,尖峰岭林区今后经营方向应以保护为主。

 
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