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- W2349326543 abstract "Community characteristics and soil catalase,sucrase,urease and phosphatase activity and distribution in the natural recovery process of vegetation on secondary grassland of abandoned land area of different eras(1,2,3,4,5,8,15,24,31a)in the downstream of Shiyang river were investigated and analyzed by the method use space instead of time.The results indicate that 34 species of plant can be found in the 9investigation samples during 31 asuccession after abandoned.The vegetation communities of annual herbaceous as constructive species and Perennial herbaceous with individual bush plants as associated species gradually succession to single shrub community.Strong continuity and graduality showed in the process of succession.Besides,most of the soil enzyme from different depth(0-10 cm,10-20 cm,20-30 cm,30-40cm)of abandoned lands of different eras show significant differences(P0.01)on the activity.The soil enzyme activity decreased with the increase of soil depth,and that of surface occupies a large proportion in the total enzyme activity of the 4layer.With the time of succession increased,the general trend of soil enzyme activity declined in a fluctuant way same as that of species richness and diversity index.Soil enzyme activity and vegetation restoration is an interactive process with a feedback between them.Furthermore,the change of soil enzyme activity is slow,and has correlation with crops grew the last year." @default.
- W2349326543 created "2016-06-24" @default.
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- W2349326543 date "2014-01-01" @default.
- W2349326543 modified "2023-09-25" @default.
- W2349326543 title "Natural vegetation restoration and change of soil enzyme activity on secondary grassland of abandoned land area in the downstream of Shiyang River" @default.
- W2349326543 hasPublicationYear "2014" @default.
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