Excessive firewood consumption caused the vegetation system deterioration, the unbalance of species in each oasis system, appearing as various differences in the residents' firewood structure.
薪柴高消费引起各绿洲植被系统质量劣化，植被系统物种失衡，表现为垦区之间居民薪柴结构存在多种差别。
Bohe and Jinghe watershed; oasis; vegetation coverage; nature; humanities.
博尔塔拉河、精河流域；绿洲；植被盖度；自然；人文。
The outer space of oasis play a great role in transferring between oasis and desert, of all, vegetation is a important part in ecological system and index displaying the certain landscape.
绿洲外缘地区，是绿洲与荒漠相互转化活动程度最剧烈、表现最突出的地区，而植被是生态系统的重要组成部分和景观状况的重要指针。
Oasis marginal decline of the natural vegetation and land desertification have a direct relationship with groundwater level.
绿洲边缘天然植被的衰败和土地的荒漠化与绿洲地下水水位的下降有着直接的关系。
The outer space of oasis plays an important role in transferring between oasis and desert. Vegetation is an important part in ecological system and indicating certain landscapes.
绿洲外缘地区是绿洲与荒漠相互转化活动程度最剧烈、表现最突出的地区，而植被是生态系统的重要组成部分和景观状况的重要指标。
Tamarix community is an important vegetation type distributing on flood land and sandy land in Ejin oasis at the lower reaches of Heihe River.
柽柳群落是黑河下游额济纳绿洲重要的荒漠河岸林，有河滩和沙地两个亚群系。
The eco-tone between oasis and desert is a important zone for vegetation restoration. The key for vegetation restoration is to know the soil water content of dune.
绿洲-漠交错带是植被恢复的一个重要区域，而植被恢复的关键又是了解沙丘土壤水分的变化规律。
The results indicate: lower latitude, smaller horizontal scale, lower humidity and some vegetation with small stoma resistance are good to develop oasis.
结果表明，能使绿洲扩大的主要条件是低纬度、小尺度，并具有低水汽、较高温度的环境以及较小气孔阻力的植被。
Therefore, the herbage vegetation is more sensitive to precipitation than the shrub in desert-oasis.
因而草本植被对降水的敏感性大于灌木。
Therefore, the herbage vegetation is more sensitive to precipitation than the shrub in desert-oasis.
因而草本植被对降水的敏感性大于灌木。
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