浑善达克沙地是我国北方干旱半干旱区的主要沙地和严重荒漠化地区之一。
Otindag Sandland is one of the main sandlands and among the most seriously desertificated region in semiarid area of China.
干旱半干旱区降水少，土壤水分亏缺，林木成活率低、保存率低、生长缓慢。
In the arid and semi arid area, the precipitation is little, soil moisture insufficient and low survival rate, low preserved rate and slow growing of trees.
土壤热通量在地表能量交换中扮演着重要角色，干旱半干旱区土壤热通量更加重要。
Soil heat flux plays an important role in energy flux exchange between land and atmosphere, especially in arid and semi-arid region.
黑河流域属于干旱半干旱区内陆河流域，冰川、戈壁、沙漠以及绿洲等自然景观并存。
The Heihe River basin (HRB) belongs to the arid inland basin, and contains many natural landscapes, such as glacier, the Gobi, desert and the oasis and so on.
通过水分梯度实验发现丛生禾草针茅对水分胁迫的耐性高于根茎型禾草羊草，表明了针茅类植物对干旱半干旱区的高度适应性。
On moisture gradient, the patience of bunchgrass stipa to water stress is more strong than rhizomatous grass, which shows stipa plants more adapt to develop in the arid and semi arid areas.
沙漠边缘的半干旱土地处于非常脆弱的生态平衡之中，而这些半干旱区域对于持续增加的环境压力的适应能力极其有限。
The semiarid lands bordering the deserts exist in a delicate ecological balance and are limited in their potential to adjust to increased environmental pressures.
风沙土是形成于干旱区、半干旱区的一种特殊性质的土。
Aeolian sandy soil is a kind of specific soil formed in arid or semiarid area. It has specific engineering property.
干旱与半干旱区域的广大面积含有对农作物足以造成不利关系的高浓度溶性盐。
Extensive areas of the arid and semiarid regions have soils containing concentrations of soluble salts sufficient to adversely affect plant growth.
干旱区和半干旱区的造林主要受水分条件的限制。
The afforestation in arid and semiarid is restricted by water condition.
风沙土是形成于干旱区、半干旱区的一种特殊性质的土。
Aeolian sandy soil is a kind of specific soil formed in arid or semiarid area.
低山丘陵半干旱区气候干旱、土地贫瘠、水土流失严重，加上人类活动的长期负面影响，使得该地区生态环境不断恶化。
Due to fewer rainfall, lean soil, serious soil and water loss and the long term negative effect of human activity, the ecological environment in hilly semi arid area is being degraded.
四川西北部有理县等18个县属于干旱区或半干旱区，具有安哥拉山羊所要求的生态条件，可供引种时选用。
There are 18 counties in North-West Region of Sicbuan possessing the ecological factors that are necessary to the Angora goat and could be selected for the introduction.
我国干旱、半干旱区陆面能量平衡及其局地大气环流的年代际变率，是全球气候系统年代际变率的必然结果。
The interdecadal variability of surface energy balance and its related regional atmospheric circulation results from that of the global climate system.
旱区包括干旱区和半干旱区。
乌兰布和沙漠是我国八大沙漠之一，处于我国北方半干旱与干旱区的转折位置上，进一步沙质荒漠化的潜在危险性。
Ulanbuhe desert is one of the eight largest deserts in China. It is located on the transitional zone between semi-drought and drought area, and could be easily desertified further.
乌兰布和沙漠是我国八大沙漠之一，处于我国北方半干旱与干旱区的转折位置上，进一步沙质荒漠化的潜在危险性。
Ulanbuhe desert is one of the eight largest deserts in China. It is located on the transitional zone between semi-drought and drought area, and could be easily desertified further.
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