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the northwest of shanxi
相关语句
  晋西北
    THE PRICIPAL TYPES OF VEGETATION AND ITS RATIONAL UTILIZATION IN THE NORTHWEST OF SHANXI
    晋西北主要植被类型及其合理利用问题
短句来源
    PRELIMINARY ANALYSIS TO POTENTIAL CLIMATE PRODUCTIVITY AND ECOLOGICAL ADAPTATION OF MAIN CROPS ON LOESS HILLY IN THE NORTHWEST OF SHANXI
    晋西北黄土丘陵沟壑区主要农作物生产潜力及其生态适应性初探
短句来源
    A PRELIMINARY STUDY ON THE INFLUENCE OF ACTIVITIES ON ECOLOGICAL ENVIRONMENT IN THE NORTHWEST OF SHANXI PROVINCE
    人类活动对晋西北地区生态环境影响的初步研究
短句来源
  晋西北
    THE PRICIPAL TYPES OF VEGETATION AND ITS RATIONAL UTILIZATION IN THE NORTHWEST OF SHANXI
    晋西北主要植被类型及其合理利用问题
短句来源
    PRELIMINARY ANALYSIS TO POTENTIAL CLIMATE PRODUCTIVITY AND ECOLOGICAL ADAPTATION OF MAIN CROPS ON LOESS HILLY IN THE NORTHWEST OF SHANXI
    晋西北黄土丘陵沟壑区主要农作物生产潜力及其生态适应性初探
短句来源
    A PRELIMINARY STUDY ON THE INFLUENCE OF ACTIVITIES ON ECOLOGICAL ENVIRONMENT IN THE NORTHWEST OF SHANXI PROVINCE
    人类活动对晋西北地区生态环境影响的初步研究
短句来源
  “the northwest of shanxi”译为未确定词的双语例句
    Something about the Boundary between the Forest Region and the Steppe Region and the Distribution of the ForestSteppe Zone in the Northwest of Shanxi Province
    关于晋西北部森林与草原的界线及森林草原带的划分
短句来源
    , is located in the northwest of Shanxi Province. North China. Based on the field investigation and 198 quadrats (20 x 20cm2)as well as identification of more than 600 speimens of Bryophytes from the forest regions in Guancenshan Mountain,the vertical distribution and community-types of Bryophytes are studied and discussed in detail in this paper.
    在详细野外调查和区系研究的基础上.本文通过对198个苔藓植物样方(20×20cm2)的分析,首次报道了山西省管涔山林区苔藓植物垂直分布和群落类型的基本特征,为进一步深入研究提供了第一手参考资料.
短句来源
    The Fen River rises in Guancen mountain within the boundaries of Ninwu county in the northwest of Shanxi.
    汾河发源于山西宁武县境内的管涔山,是黄河水系的干流之一。
短句来源
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The northwest of Shanxi, including nine counties, is on Loess Plateau. There are hill lands, meso mountains and low mountains, basins and valley plains in topography. The characteristic features of the climate is continental——cool and rainy in summer, very cold and dry in winter. The principal soil are gray-cinnamonic soil, mountain gray-cinnamonic soil, brown forest soil and subalpine meadow soil.There are seven vegetation types: the cold-temperate coniferous, the deciduous broad-leaved forest, the deciduous...

The northwest of Shanxi, including nine counties, is on Loess Plateau. There are hill lands, meso mountains and low mountains, basins and valley plains in topography. The characteristic features of the climate is continental——cool and rainy in summer, very cold and dry in winter. The principal soil are gray-cinnamonic soil, mountain gray-cinnamonic soil, brown forest soil and subalpine meadow soil.There are seven vegetation types: the cold-temperate coniferous, the deciduous broad-leaved forest, the deciduous broad-leaved bush-wood, the bush-grass land, the steppe and the meadow. They include 26 formations, each of which is described in composition, structure and distribution.Because of the destruction of vegetation for a long time on Loess Plateau, the ecological equilibrium was broken, the water and soil were lost in large quantities. Natural vegetation, as we know, plays an important role in harnessing the Loess Plateau. So we must take strong measures to protect and develope vegetation, including not only forest but also bush-wood and herbosa.

本文对晋西北植被的生态环境、主要植被类型和分布作了初步论述。记述了7个植被型,26个群系,并附有植被类型分布图。最后,对植被的合理利用问题提出了初步建议。

The Northwest of Shanxi Province, a part of the Loess Plateau, consists of hills and upland. The primary vegetation there had disappeared for a long time. The analysis of present vegetation is made in this paper. According to our analysis the demarcation line between the forest region and the steppe region in the Northwest of Shanxi Province is as follows:(Nanxu——Hengshan Mountain Range——)Luya Mountain——Zijin Mountain——Kehuzhai. Quercetum is typical in the south of this line, and the Bothriochloa...

The Northwest of Shanxi Province, a part of the Loess Plateau, consists of hills and upland. The primary vegetation there had disappeared for a long time. The analysis of present vegetation is made in this paper. According to our analysis the demarcation line between the forest region and the steppe region in the Northwest of Shanxi Province is as follows:(Nanxu——Hengshan Mountain Range——)Luya Mountain——Zijin Mountain——Kehuzhai. Quercetum is typical in the south of this line, and the Bothriochloa ischaemum communities belong to the forest region vegetation. The area from this line to the Great Wall, belongs to the forest-steppe zone, and the north side of the Great Wall belongs to the steppe zone.

晋西北部是山西主要黄土覆盖区。本文根据黄土丘陵现状植被分析,论证了山西境内森林与草原的界线在晋西北部的位置:芦芽山→紫金山→克虎寨。紫金山以北至长城沿线为森林草原地带。

The maximum potential productivity (sun-light and temperature factors; Ymp) and the natural rainfall potential productivity (sun-light, temperature and water factors; Yw) were calculated for the main grain crops (millet, potato, corn, sorghum and pea etc) on the Loess HillY Region in the Northwest of Shanxi, by the agriculture ecology way, which was recommended by FAO.The maximum potential productivity (Ymp) was 362-687 kg/mu, and the water potential productivity (Yw) was 47-90% of Ymp, but the local actual...

The maximum potential productivity (sun-light and temperature factors; Ymp) and the natural rainfall potential productivity (sun-light, temperature and water factors; Yw) were calculated for the main grain crops (millet, potato, corn, sorghum and pea etc) on the Loess HillY Region in the Northwest of Shanxi, by the agriculture ecology way, which was recommended by FAO.The maximum potential productivity (Ymp) was 362-687 kg/mu, and the water potential productivity (Yw) was 47-90% of Ymp, but the local actual productivity was only 7.4-35% of Yw, It shows that the main factors of Ymp restrain were not just water deficency but also ineffictive utilization of water. Therefore, the ecological adaptation on the main crops and some highyield measures were proposed.

本文对晋西北黄土丘陵沟壑区主要农作物的最大生产潜力(光、热)和自然降水生产潜力(光、热、水)进行了估算,通过与实际生产力的比较,提出了主要农作物的增产潜力及其生态适应性措施。

 
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