干燥的荒漠草原几乎寸草不生。
我国岩画主要分布在北方干旱荒漠草原区。
Drawing on rock is distributed mainly over the mountain rock of dry-grassland and desert-grassland area in north-China.
放牧干扰是影响荒漠草原土壤健康的主要因子。
Grazing interrupt is the primary factor in effecting the health of desert-grassland.
目的掌握阿拉善荒漠草原植物病害的种类及区系。
Objective Handle plant disease type and region in Alashan desert grassland.
确定内蒙古荒漠草原地带性和隐域性林草优化配置模式。
The mode of optimization disposition for regional and intrazonal forest and grass has been determined in Inner.
共和盆地地处半干旱地区，地带性植被为荒漠草原和草原类型。
The zonal vegetations of the semiarid Gonghe Basin are desert steppe and steppe type.
植被为落叶阔叶林向森林草原、草原、荒漠草原植被型的过渡区。
Vegetation transites from deciduous broadleaf trees to forest steppe, steppe and desert steppe.
结果表明，质量最好的草地是山地草甸，质量最差的是干荒漠和荒漠草原。
The results showed that mountain land meadow was the best in quality, and the drought desert and desert grassland were the worst.
然而，在尼日尔——沿着西非荒漠草原的一个国家，那里生长着大片的树木。
Yet in Niger, one of the nations along the Sahel, millions of trees are now growing.
位居干旱气候区的内蒙古高原中北部的荒漠草原地带，面临着严重荒漠化的威胁。
The desert steppe zone in the arid land of northern Inner Mongolia plateau is confronted with serious desertification.
其植被垂直带结构为荒漠、山地荒漠草原、山地灌丛草原、山地草原和嵩草高山草甸。
The main vertical zonal vegetation types could be categorized into desert, mountain desert steppe, mountain shrub steppe, mountain steppe and Ko-bresia alpine meadow.
在短花针茅荒漠草原对比研究了划区轮牧和自由放牧两种放牧制度对草地土壤理化性状的影响。
The comparative studies on the influence of rotational grazing and continuous grazing on the physical and chemical characters of soil was conducted in desert steppe of Stipa breviflora.
利用扫描电子显微镜对我区草甸草原、典型草原及荒漠草原中30种主要植物的花粉粒进行了观察。
Pollen grains collected from 30 grassland species covering the meadon plants, typical grassland plants and dessrt steppe plants were examined by scanning electron microscope.
植树活动早就了绿色的尼日尔荒漠草原是非洲的一个地区，它北接撒哈拉沙漠，南边却是更加肥沃的土地。
The sehell Sahel is the area of Africa that lines lies between the sehelre Sahara desert to the north and more fortal fertile land to the south.
荒漠草原某些区域又退化严重，且人类活动所建立的城市、耕地和工厂、矿区面积正在迅速增大，侵占着苏尼特荒漠草原。
But some areas of desert-steppe go to the bad, and city, field, factory, mineral area increase very quickly, they occupy many desert-steppe areas.
典型草原与荒漠草原花粉组合存在着明显的区别，典型草原区藜科花粉百分比一般低于25%，荒漠草原区一般高于25%。
The differences between typical steppe and desert steppe are obvious. Chenopodiaceae pollen percentages are usually less than 25% in typical steppes and more than 25% in desert steppes.
内蒙古荒漠草原是温带草原中最干旱的一个类型，为草原区自然条件最严酷、草场生产力最低、生态系统最脆弱的一个地区。
As a most drought type in temperate steppe, the desert steppe in Inner Mongolia is a district with harshest natural condition, lowest productivity and weakest ecosystem in steppe districts.
苏尼特草原主要类型变化是荒漠草原与典型草原之间的相互转换。较好的草原类型和水域正在退变为荒漠草原，面积急剧减小；
The main change of Sunite steppe is between Typical steppe and Desert-steppe, many better steppe types and water degenerate to desert-steppe, the area shrink;
径流含沙量与土壤前期水分之间的关系呈近似一元二次方程抛物线变化，荒漠草原坡面土壤流失最少的前期最优土壤含水量值为17.5%。
The relationship of sediment content and antecedent soil moisture showed the parabolic trend. In desert grassland, the soil moisture is 17.5% in the early time of surface soil loss.
一个相关的研究发现，强烈的气候对撒哈拉以南非洲农业的影响并不是随处可见。考虑到上世纪80年代，西非荒漠草原的大范围干旱对农业的巨大作用，这个发现不会让人太惊讶。
A related study shows strong climate effects on sub-Saharan agriculture in Africa not seen elsewhere, which is not perhaps surprising given the huge effect of the 1980s droughts across the Sahel.
森林、灌丛、草甸、草原到荒漠呈带状更迭。
The changes are manifested in belts from forest, bush, meadow and steppe to desert.
但后来，这片土地干涸殆尽，昔日青翠的大草原变为茫茫荒漠。
But then the Sahara dried out, turning from a green savannah into an inhospitable desert.
地区的生态系统，例如草原、荒漠和落叶林又被称为生物带。
Regional ecosystem types, such as grass land, desert, and deciduous forest, are called biomes.
当地牧民面临着灌溉庄稼的难题和草原荒漠化的挑战。
Local herdsmen face the challenge of irrigating their crops and desertification of the grassland.
草原带以上高寒荒漠不存在，高寒草旬则有一定发育。
Above the steppe zone there is no alpine desert, but alpine meadow.
草原带以上高寒荒漠不存在，高寒草旬则有一定发育。
Above the steppe zone there is no alpine desert, but alpine meadow.
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