荒漠生态系统

  • 网络desert ecosystem
荒漠生态系统荒漠生态系统
  1. 荒漠生态系统对大气CO2浓度升高响应的干湿年差异

    Difference of Desert Ecosystem Responses to Elevated Atmospheric CO_2 Concentration between Dry and Wet Years

  2. 以玉米秆为材料,研究了荒漠生态系统下残茬的腐解率和腐解物的有机C、N、K的含量、养分释放率及C/N的变化。

    Quantitative studies on changes of decomposition rate , C / N ratio , N , K and organic C of corn residue during decomposition in desert ecosystem were carried out in Fukang , Xinjiang .

  3. 因此,无论是生态系统水平还是植物功能型(或物种)水平,荒漠生态系统对未来大气CO2浓度升高的响应都将受降水格局的显著影响。

    Therefore , responses of desert ecosystems to a future elevated CO2 would be markedly influenced by precipitation patterns .

  4. 荒漠生态系统鼠类对土壤和植被的扰动效应

    Disturbance effect of rodents on soil and vegetation in desert ecosystem

  5. 我国荒漠生态系统定位研究的现状与基本思路

    Present situation and thinking for spot research of desert ecosystem in China

  6. 西部地区荒漠生态系统空间分析

    Spatial Pattern Analysis on Desert Ecosystem in Western China

  7. 干旱绿洲&荒漠生态系统景观异质性及其对气候变化的可能响应研究

    The Landscape Heterogeneity of Arid Oasis-Desert Ecosystem and Possible Response to Regional Climate Change

  8. 荒漠生态系统中的非线性动力学问题

    In Desert Ecologic Systems Non-linear Question of Dynamics

  9. 荒漠生态系统是建立新疆平原人工绿洲生态系统的物质基础和生态基础。

    Desert ecosystem is the material and ecological base of artificial oasis in Xinjiang .

  10. 绿洲荒漠生态系统交错带环境演变过程初步研究以新疆吐鲁番盆地为例

    Primary studies of the environmental evolution of ecotone between oasis and desert in Turpan Basin

  11. 生物种群的这种特点,决定了荒漠生态系统中生态过程的特殊性。

    These characters of the biological population determine the particularity of the ecological process in the desert ecosystems .

  12. 荒漠生态系统是荒漠区的典型生态系统,是荒漠区人类环境和社会发展的基础。

    Desert ecosystem is the typical ecosystem in desert regions and the base of developing the environmental and society in desert regions .

  13. 降水是该地区唯一的补给水源,对维持荒漠生态系统的稳定持续发展具有极其重要的作用。

    Precipitation , as the sole source of water replenishment in the semi-arid area , plays a pertinent role in sustaining the desert ecosystem .

  14. 并从水量平衡与水文动态、水热交换与传输以及热量平衡等3个方面,评述了荒漠生态系统水热平衡研究的若干方法。

    Some research work and research methods on the water balance , the water movement and heat transfering and the heat balance are reviewed .

  15. 分析结果表明,绿洲-荒漠生态系统结构和功能、格局与过程之间的联系和反馈是景观异质性的根本本质。

    The results show that the relationship and feedback among the structure , function and process of oasis-desert ecosystem is real essence of landscape heterogeneity .

  16. 强化在景观尺度和生态系统尺度集成研究,以便为管理包括地下水在内的荒漠生态系统提供依据。

    And integrated research at landscape scale and ecosystem scale , which served to provide basis for inland river basin management , also should be furthered .

  17. 多枝柽柳是分布最为广泛的柽柳属植物之一,也是维持干旱区荒漠生态系统的关键植物种。

    Tamarix ramosissima , one of the most widely distributed plants of its genus , belonged to the key species for maintaining desert ecosystems in arid regions of China .

  18. 这些功能菌的变化有助于纤维索物质的分解,从而增加了结皮中营养物质,提高土壤肥力,对荒漠生态系统的恢复具有积极作用。

    These functional bacteria changes contribute to the decomposition of cellulose material , which are helpful in nutrition enhancement and improve soil fertility , and healthy ecosystem recovery in desert .

  19. 利用地理信息系统软件对阜康绿洲-荒漠生态系统的景观结构的异质性、镶嵌结构及其格局变化进行了较全面的分析。

    The GIS technique supported by Arc / info software was used to analyze the heterogeneity of oasis-desert ecosystem and its mosaic of patch structure , landscape change in Fukang transect .

  20. 从草地生态系统、森林生态系统、湿地生态系统、农田生态系统、荒漠生态系统和城市生态系统六个主要方面对甘肃省生态系统的服务功能进行了阐述。

    The ecosystem service functions of Gansu is analyzed from six facts , such as grassplot ecosystem , forest ecosystem , watershed ecosystem , farmland ecosystem , desertification ecosystem and city ecosystem .

  21. 最后,该文对水热平衡理论和研究方法、水热平衡耦合模型以及荒漠生态系统的水热结构优化模式等未来的研究方向和重点问题作了分析。

    At last , the authors analyze the future research directions and research highlights , such as the theory and research methods , coupling model , and optimized water-heat structure of desert ecosystem .

  22. 以资源环境数据库中的植被空间分布信息为本底,结合最新的调查和遥感资料,利用地理信息、遥感技术和统计手段,对中国荒漠生态系统的空间分布格局进行了详细的分析。

    Based on spatial information of vegetation in an environmental database and on associated remote sensing data and survey information , the authors analyze the spatial pattern of desert ecosystems in western China .

  23. 同时,在增水与节水相结合的基础上,保证农业借助水和生态用水、维护和恢复绿洲及荒漠生态系统的结构和功能。

    Meantime , on the basis of water-saving in combination with the increase of water , ensure the water use of agriculture and ecology to maintain and restore the structure and function of the ecological system .

  24. 阐明了把握荒漠生态系统信息传递的特征及过程对认识干旱环境形成机制、演变规律及发展趋势,构建退化生态系统重建及恢复模式的重要意义。

    The characteristics and process of the information transmission are also expounded , which is of significant importance for understanding the formation mechanism , evolution pattern , and developing trend as well as for setting up models for restoration and rebuilding of the degraded ecosystem .

  25. 掌握土壤因子及土壤呼吸的空间变化,对了解荒漠生态系统过程、土壤微生物与有机质的相互作用及全球气候变化的研究都具有重要的意义。

    The objective of this study was to investigate spatial change of soil characteristics and soil respiration in scrubland , the changes were critical to understand the ecosystem process of desert , interaction between soil microbial and soil characteristics , study of global climate change .

  26. 生物土壤结皮是退化生态系统植被演替与生态恢复的重要基础,但目前主要集中在荒漠生态系统,缺乏对草甸草原生物土壤结皮的研究。

    The biological soil crusts are a basis of vegetation succession and ecosystem restoration in degraded terrestrial ecosystems . However , previous investigations mainly converged upon that in the extreme environment & desert ecosystem , whereas lacking the issues in better circumstance , like of meadow steppes .

  27. 为探讨施肥条件下土壤酶活性及其与土壤肥力的关系,对国家林业局云南元谋荒漠生态系统定位研究站3年生印楝林的土壤酶、土壤化学性质和微生物因子进行了测定和分析。

    To search the correlation between soil enzyme activities and soil fertility under fertilization conditions , the indexes of soil enzyme , soil chemical property and soil microbes in 3-years Azadirachta indica plantation were detected and analyzed in Yunnan Yuanmou Desert Ecosystem Located Research Station of State Forestry Administration .

  28. 荒漠林地生态系统:在夜间的11个小时内,各林地生态系统都是碳源,即净释放CO2。

    A.Desert forestland ecosystem : All forestland ecosystems are carbon source , i.e. net discharge of CO2 during the 11 hours at night .

  29. 荒漠河岸生态系统退化与物种多样性恢复研究

    Degeneration and Restoration of Species Diversity of a Desert Riparian Ecosystem

  30. 荒漠绿洲生态系统的运行机制及退化的监控研究

    Operation Mechanism of Desert Oases Ecosystem and Its Degeneration Monitoring