典型草原

  • 网络steppe;typical steppe;true steppe;Typical Grassland
典型草原典型草原
  1. 刈割对典型草原地带羊草(Leymuschinensis)的影响

    Effect of Mowing on Leymus chinensis in Typical Steppe Region

  2. NDVI与典型草原区和沙地植被区的相关性最好;

    NDVI has the best correlation with typical steppe and sand grassland ;

  3. 内蒙古典型草原土壤N2O产生的机理探讨

    Study on the mechanism of N2O production in typical grassland soils of Inner Mongolia

  4. 放牧对温带典型草原含碳温室气体CO2、CH4通量特征的影响

    Effects of Grazing on Carbon Dioxide and Methane Fluxes in Typical Temperate Grassland in Inner Mongolia , China

  5. 内蒙古典型草原区植被NPP对气候变化的响应

    Net Primary Production in Response to Climate Changes in Inner Mongolia Steppe

  6. 基于NOAA/AVHRRNDVI监测中国北方典型草原的生长季及变化

    Monitoring growing season of typical steppe in northern China based on noaa / avhrr NDVI data

  7. 典型草原土壤全N、速效N和速效P含量以及速效P/全P和C/N比值低于高山草原,但速效N/全N比值和全P含量高于后者。

    The total and available nitrogen , available phosphorus and the ratio of available phosphorus to total phosphorus and of organic carbon to nitrogen were all higher in alpine grassland than in arid grassland .

  8. 内蒙古典型草原细菌群落结构的PCR-DGGE检测

    PCR-DGGE detection bacterial community structure in the Inner Mongolia steppe with two different DNA extraction methods

  9. F/C<1,说明其生产效率较典型草原低,而高于同地区的芦苇种群及陕北黄土高原的禾草群落;

    F / C < 1 implied that its production efficiency was lower than that in typical grassland , but higher than that of Phragmites communis population in the same area and that of grass communty on Yellow Plateau in the north of Shannxi ;

  10. 利用透光密闭箱对内蒙古半干旱典型草原大针茅草原土壤-植被系统温室气体N2O和CH4通量在不同年份进行了较长期的原位观测研究。

    Using transparent closed chamber technique , the in situ measurements of N2O and CH4 fluxes in temperate typical semi-arid grasslands-Stipa grandis soil-vegetation ecosystem were conducted in different years in Inner Mongolia .

  11. 典型草原撂荒地Shannon-Wiener多样性指数的平均值为1.5481,是天然草地的55%,草甸草原带撂荒地Shannon-Wiener多样性指数的平均值为1.3492,是天然草地的50%。

    The average of Shannon-Wiener diversity index was 1.5481 in typical steppe abandoned land , which was only 55 % of natural grassland , while it was 1.3492 in meadow steppe abandoned steppe .

  12. 应用直接测量与叶片面积-干重系数相结合的综合测定法,研究了内蒙古典型草原地区3类草原植物群落与2类沙地植物群落叶面积指数(LAI)的动态特征。

    The synthetic methods by the integration of the direct measure and leaf area dry weight coefficient were used to study dynamic characteristics of LAI for 3 steppe communities and 2 sandy lands communities in typical steppe region of Inner Mongolia .

  13. 锡林郭勒盟草甸草原区、典型草原区、荒漠草原区和沙地植被区实测草地牧草产量与三种不同植被指数的相关性存在一定差别,其中EVI与草甸草原区的相关性最好;

    The grassland biomasses of meadow steppe , typical steppe , desert steppe and sand grassland have different correlations with three types of vegetation indices , EVI has the best correlation with meadow steppe ;

  14. 冷蒿(Artemisiafrigida)种群伴随着典型草原退化演替的各个阶段,对其所在群落的结构和功能具有重要的影响。

    Artemisia frigida populations are present in every stage of degraded succession of Chinese Inner Mongolia steppe . They have important effects on community structure and function , but spatial pattern of Artemisia frigida populations are poorly understood .

  15. 结果表明,(1)对于中国北方典型草原区而言,利用植被指数NDVI监测草地的植被盖度是比较适宜的,它优于植被指数RVI,也比植被指数NDGI的效果好。

    The results of the comparison show : ( 1 ) For the monitoring of the vegetation fractional coverage of grassland of the temperate typical steppe of North China , it is appropriate to use vegetation index NDVI , which is more effective and relevant than RVI and NDGI ;

  16. 本文参照Constanza等的思路与方法,以内蒙古典型草原生态系统有机物生产为基础,分别采用市场价值法、替代市场法等估算其主要服务功能的经济价值。

    Referring to the methodology of constanza et al , and based on the biomass of Inner Mongolia steppe , authors of this paper assessed the total value of the steppe ecosystem services by various economic calculative methods .

  17. 呼伦贝尔典型草原自然降雨和冰雪的融化对土壤水分的影响深度为0~90cm,在该范围内的土壤水分明显受降雨的影响。90cm以下土壤在年内变化幅度较小,含水量在3%~5%之间。

    Secondly , the precipitation and the thaw of ice and snow affect the soil water that from 0 cm soil layer to 90 cm soil layer , and under 90 cm soil layer , the soil water change range smaller during a year .

  18. 内蒙古典型草原几种优势植物生态适应对策研究

    Ecological Adaptation Strategies of Dominant Species in Inner Mongolia Typical Steppe

  19. 人为干扰对典型草原生态系统土壤养分状况的影响

    Impact of Human Disturbances on Soil Nutrient Contents of Typical Grasslands

  20. 典型草原抗风蚀能力的实验研究

    Experimental Research on the Anti - Wind Erosion of Typical Grasslands

  21. 典型草原地区旅游发展对植被的环境影响

    The Environmental Influence of Tourism on Vegetation in Typical Grassland Areas

  22. 内蒙古典型草原土壤的氟含量

    Fluorine content in soil of the typical steppe in Inner Mongolia

  23. 典型草原区牧户羔羊育肥模式研究

    Study on the pattern of household fattening lamb in Typical Steppe

  24. 内蒙古温带典型草原八种植物的资源分配策略及其对氮素水平的响应

    Resource Allocation Strategies of Eight Grassland Species as Influenced by Nitrogen Rate

  25. 不同改良措施对典型草原退化草地植物群落影响的研究

    Study on the Effect of Improving Typical Degraded Grassland by Different Methods

  26. 内蒙古典型草原露水资源研究初探

    The Elementary Study of Dew Resource in Typical Steppe in Inner Mongolia

  27. 半干旱典型草原区封育草地土壤结构特征研究

    Soil Structural Properties of Enclosed Steppe in the Semiarid Area

  28. 火烧对典型草原改良的效果

    Fire effects on improving pasture in the typical steppe region

  29. 5个禾本科牧草品种在典型草原区耐旱适应性比较试验

    Comparison test of drought tolerance on Five Forage breeds in Typical Grassland

  30. 典型草原划区轮牧和自由放牧制度的比较研究

    Comparison between Rotational and Continuous Grazing Systems in Typical Steppe