The Quantitative Characters of Soil Microbes under Different Vegetations in an Eutrophic Lake Wetland

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Abstract:

There was varying degrees of correlation between the number of soil microbial and soil physicochemical properties, there existed a significant positive correlation (P<0.05) between the number of soil microbial and soil organic matter, total nitrogen; while there existed a significant negative correlation(P<0.01) between the number of soil microbial and pH, which showed that the salinization was the key factor that affected the distribution of soil microbial quantity.The study on variation of the number of soil microbial and soil physicochemical properties of the four kinds of plant community at WuLiangSuHai wetlands, reveals that: Chenopodiacea (Suaeda glauca Bunge) plots, Zygophyllaceae (Nitraria tangutorum Bobr) plots, Artificial Tamarix plots and Artificial Elaeagnus angustifolia plots. The results showed that: 0-20cm of the topsoil, the soil microbial population of them was different, Bacteria, Actinomycete and Fungi on the Artificial tamarix soil was significantly higher than other plant. The number of microbe in Chenopodiacea (Suaeda glauca Bunge)plots soil was the lowest.

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178-183

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February 2013

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