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Vertical Distributions in Number of Soil Microorganism in Stabilized Sand Dune with Artemisia ordosica in the Hobq of NeiMongol
Author(s): 
Pages: 198-200
Year: Issue:  2
Journal: ACTA SCIENTIARUM NATURALIUM UNIVERSITATIS NEIMONGOL

Keyword:  内蒙古固定沙丘土壤微生物垂直分布;
Abstract: 对内蒙古库布齐沙带东段油蒿(Artemisia ordosica)固定沙丘土壤微生物数量的垂直分布进行了研究.1) 好气性细菌和真菌数量的垂直分布是结皮层(0~0.5 cm)>0.5~10 cm>30~40 cm>60~70 cm,在0~10 cm,油蒿固定沙丘与流动沙丘比值:好气性细菌数量为13.7∶1,真菌数量为15.2∶1;2) 芽孢细菌和放线菌数量的垂直分布是0.5~10 cm>30~40 cm>结皮层(0~0.5 cm)>60~70 cm,在0~10 cm,油蒿固定沙丘与流动沙丘比值:芽孢细菌数量为12.2∶1,放线菌数量为19.3∶1;3) 厌气性细菌数量的垂直分布是0.5~10 cm>结皮层(0~0.5 cm)>30~40 cm>60~70 cm,在0~10 cm,油蒿固定沙丘与流动沙丘比值为12.2∶1.结果表明,土壤微生物数量分布与库布齐油蒿固定沙丘的发育,形成有密切的关系.
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