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- Mu Us sand land 毛乌素沙地
- DESERTIFICATION OF Mu Us REGION SINCE 2000a B.P. 2000a B.;P
- Studies on the Water Transport Characters in SPAC System of Mu Us Sandy Land in Ningxia. 宁夏毛乌素沙地SPAC系统中水分运移特征的研究。
- Evaluation result shows that desertification in Mu Us Sandy Land is very serious. 对毛乌素沙地评价结果表明,毛乌素沙地荒漠化十分严重。
- There was a high percent of mesophyte in Otindag Sand Land as well. 中生植物在该区占有相当大的比例,体现了该区地理位置和地理环境的特殊性。
- Regulation of clonal growth of Hippophae rhamnoides L. Subsp sinensis population in Mu Us sandland. 毛乌素沙地中国沙棘无性系生长调节。
- The genet characters and the ramet population characters of the rhizomatous shrub,Hedysarum laeve,in Mu Us Sandland were investigated. 通过对毛乌素沙地常见的豆科根茎灌木羊柴的基株和分株种群的调查研究,揭示植物的克隆生长的生态适应意义。
- Study on the initial planting density and its adjustment of Pinus sylvestris var. Mongolica Litvin. Artificial forest in the sand land. 沙地樟子松人工林初植密度及其调控研究。
- The windblown sandy desertification is distributed mainly at the edge of above deserts, such as sand-covered loess areas at the south of Mu Us Shadi desert. 风沙型沙质荒漠化主要分布在上述沙地的边缘地带,如毛乌素沙地以南的覆沙黄土区等。
- The main results are that the area for fixed sand land and semifixed sand land decrease,and the mobile sand land increase,and the salinate fields also shrunk. 结果表明,该地区固定半固定沙地面积均有所减少,流动沙地扩大,同时盐碱地大大萎缩。
- The order of effects of other three factors on yield of winter wheat was: soil type>sowing date>variety.The yield in shoaly land was higher than that in sand land. 其他因素产量效应的大小顺序为土壤类型>播期>品种,滩地产量显著高于砂地;
- The exhibition will gather looks after the household the craft, the federation, Czechoslovakia prosperously, to permit the standard, the US sand, Hua, the day Yuan Ming and Qing Dynasties, Mr. 展会将汇聚顾家工艺、联邦、捷隆、允典、美度沙、华诺、天元明清、鲁艺文君、点石、高意等知名品牌。
- It exists 38 sedimentary cycles of palaeo-aeolian sands to its overlying fluvio-lacustrine facies or/and palaeosols in the Salawusu River valley of the southeast depression of the Mu Us Desert since 150 ka B.P. . 毛乌素沙漠东南部边缘萨拉乌苏河流域150 ka B.;P以来存在38个由风成砂丘与河湖相和古土壤构成的沉积旋迥。
- Shrub and tree planting plays an important role in combating desertification in China?s Mu Us Sandland,an ecotone sensitive to both the environmental fluctuations and anthropogenic disturbances. 毛乌素沙地作为一个生态过渡带对环境波动及人为干扰十分敏感,植树造林对于防治沙漠化具有重要意义。
- Yongding River sand land is the largest area of wind-sand land sand and is one of the most severe wind sand damage region in Beijing,Which has important influence to eco-entironment in Beijng. 永定河沙地是北京市面积最大的风沙化土地和风沙危害最严重的地区之一,对北京市的生态环境有重要影响。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- sand land in north of Zhangwu County 彰武北部沙地
- Preliminary Study on Soil Moisture Content in Dried Layer of Sand Dunes in the Mu Us Sandland 毛乌素沙地沙丘干沙层水分特征初步研究
- Pinus sylvestris var. mongolica on sand land 沙地樟子松
- Study on some characteristics of evaporation of sand dune and evapotranspiration of grassland in Mu Us desert 毛乌素沙地水分蒸发和草地蒸散特征的比较研究
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries