在沙漠人工植被区，影响土壤呼吸的主要因子是水分，其次是温度与植物群落类型和发育阶段。
Soil water plays the dominant role on soil respiration in re-vegetated desert area, while temperature and the type and phrase of plant community are secondary.
涞源县植被属华北植物区系，现有植被大部分为灌草丛，其次是天然次生林和人工林，森林覆盖率为18.24%。
Vegetation is Laiyuan County of North China flora, the majority of existing vegetation for irrigation in the bushes, followed by natural secondary forest and plantation, forest coverage is 18.24%.
在沙坡头人工植被固沙区，微生物结皮是伴随着植被区环境的日趋稳定而出现的。
In artificial vegetation-fixed sandy dunes, microbiotic crusts always occur with stabilizing of the environmental conditions in vegetation regions.
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