Relationship Quantitative Analysis of Vegetation Biomass and Edaphic Factors in Mongolian Plateau

doi:10.11924/j.issn.1000-6850.casb16040039

Abstract

Abstract: Vegetation is related to soil closely in terrestrial ecosystem, the study of the relationship between them has important ecological significance. Mongolian plateau was used as an example, samples were collected, vegetation biomass and soil factor data were measured, soil and vegetation condition were quantitatively analyzed, and the relationship between vegetable biomass and soil factors was studied by the correspondence analysis method to find out the key soil factor that affected vegetation biomass. The results showed that (1) soil organic matter of Mongolian plateau was high in total with a polarized distribution, the content of available phosphorus and potassium was high while the total nitrogen content was low, the soil was mainly neutral and alkaline, and the area of alkaline soil was slightly bigger than that of neutral soil, the soil texture was mainly loam; (2) the vegetation biomass distributed in balance, and the vegetation biomass of grassland was higher than that of bare land; (3) the vegetation biomass was mainly affected by soil organic matter and total nitrogen content, vegetation biomass showed a positive correlation with them.

CLC Number:

P237

张韵婕,,, and 吴春生. Relationship Quantitative Analysis of Vegetation Biomass and Edaphic Factors in Mongolian Plateau[J]. Chinese Agricultural Science Bulletin, 2017, 33(2): 93-100.

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