[1]LEI Siyue,ZHAO Wenhui,YANG Yahui,et al.Spatial Distribution Characteristics of Soil Nutrients and Vegetation Growth Status in Different Slopes[J].Research of Soil and Water Conservation,2019,26(01):86-91,105.
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Spatial Distribution Characteristics of Soil Nutrients and Vegetation Growth Status in Different Slopes
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
26
Number of periods:
2019 01
Page number:
86-91,105
Column:
Public date:
2019-02-28
- Title:
- Spatial Distribution Characteristics of Soil Nutrients and Vegetation Growth Status in Different Slopes
- Keywords:
- terrain; slope; vegetation community; soil nutrients; Loess Plateau
- CLC:
- S158.3
- DOI:
- -
- Abstract:
- Topography and soil are important factors affecting vegetation communities, and vegetation growth and soil nutrient content varied with topography. Zaozhuanggou watershed of Wuqi County was selected as the research area, the quadrat method was used in vegetation community and the surface soil of 0-20 cm was collected to determine the contents of soil organic matter, total nitrogen and total phosphorus in different slopes. The relationship between the vegetation and soil nutrient changes on the different slopes was analyzed, in order to understand the hilly-gully loess plateau terrain effect on vegetation restoration mechanism and provide the scientific basis and guidance for the local ecosystem restoration. The results showed that there were no significant differences in species diversity, richness and aboveground biomass of grassland vegetation communities in different slopes, but all indexes decreased in the order:lower slope > middle slope > upper slope, it was the same as the changes in soil nutrients content. In lower slope, the soil nutrient contents are the largest, and the vegetation growth is best; however, the SOM, TD, Margalef and above-ground biomass are all the lowest in groove slope. The growth status of vegetation and soil nutrients in different slopes are basically the same, and there is a correlation between them.
- References:
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1900-01-01