Soil Seed Bank and Vegetation Space of Wetland in Succession in a Confined Tianjin Region
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Soil Seed Bank and Vegetation Space of Wetland in Succession in a Confined Tianjin Region
Bulletin of Soiland Water ConservationVol. 31, Issue 4, Pages: 219-224(2012)
作者机构:
1. 南开大学环境科学与工程学院,天津,300071
2. 天津师范大学城市与环境科学学院,天津,300387
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Published:2012
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MO Xun-qiang, WANG Xiu-ming, MENG Wei-qing, et al. Soil Seed Bank and Vegetation Space of Wetland in Succession in a Confined Tianjin Region[J]. Bulletin of Soiland Water Conservation, 2012, 31(4): 219-224.
DOI:
MO Xun-qiang, WANG Xiu-ming, MENG Wei-qing, et al. Soil Seed Bank and Vegetation Space of Wetland in Succession in a Confined Tianjin Region[J]. Bulletin of Soiland Water Conservation, 2012, 31(4): 219-224.DOI:
Soil Seed Bank and Vegetation Space of Wetland in Succession in a Confined Tianjin Region
Soil seed banks are of great importance for wetland vegetation restoration. The community succes-sions of the vegetation restored from soil seed banks in a confined space were observed and recorded during the field experiments. Sorensen similarity coefficient(SSC)
species composition and corresponding diversity indices(including Shannon-Wiener index
Simpson index
Pielou index and Margalef index) and vegetation coverage indices were calculated and compared at each stage of the vegetation succession to access the status of re-vegetation. According to the measured data
it was found that the SSCs of the original aboveground vegetation and the restored vegetation in 2008
2009 and 2010 were relatively low
with the lowest SSC of 0.25. The diversity indices showed a trend of decreasing at the beginning and then increased
and finally reached a state similar to that of the original aboveground vegetation. In addition
the vegetation coverage in-dices were higher than 90 %
which satisfy the common requirements of wetland vegetation restoration.