【摘 要】
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Microcoleus vaginatus Gom is the dominant cyanobacterial species in biological soil crusts (BSCs) and plays a critical role in forming BSCs.Four inoculum do
【机 构】
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KeyLaboratoryofBiogeographyandBioresourcesinAridLand,XinjiangInstituteofEcologyandGeography,CAS,Urum
【出 处】
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第三届全国藻类分类及多样性学术研讨会
论文部分内容阅读
Microcoleus vaginatus Gom is the dominant cyanobacterial species in biological soil crusts (BSCs) and plays a critical role in forming BSCs.Four inoculum dosages of M.vaginatus (0.5, 1, 3, and 7 g·m-2) were inoculated across a sand surface and subjected to five moisture treatments (0, 1, 2, 3, 4 L·m-2).Microalgal biomass,microbial biomass, and enzyme activities (invertas, alkaline phosphatase, and urease)were subsequently determined.Microalgal biomass, microbial biomass composed of carbon (C) and nitrogen (N), as well as alkaline phosphatase (ALP) and urease activity were all increased by increasing inoeulum dosages and moisture, whereas invertase activity decreased with higher moisture content.7 g m-2 inoculum and 3 L m-2 moisture was the optimal treatment for M.vaginatus to recover BSCs.
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