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- W2358069408 abstract "In this paper,the basic characteristics of soil seed bank and the relationship between soil seed bank and standing vegetation in four types of degraded areas and a natural wetland in Yeyahu Wetland Nature Reserve of Beijing were investigated in May 2010.The discard fishpond,cultivation of the clover field,abandonment of the clover field and natural degraded wetland as the experimental fields.While the natural wetland as the positive control.The results showed that there were 60 species belonging to 23 families and 46 genuses in the total 5 soil seed banks.During these,Compositae,Poaceae and Cyperaceae have the highest germination rate,11 species,10 species and 8 species respectively.The average density of soil seed bank in 4 degraded areas was 6 885 seeds/m2.And the average density of soil seed bank in natural wetland was 16 083 seeds/m~2.According to the analysis of variance,the density differences in 5 soil seed banks were extremely remarkable(n= 300,F=4.828,p=0.0010.05).The vertical distributions of different part soil seed banks were regular.In terms of the sum of 5 sites,the densities of the soil seed bank in 0-6 cm layer were obviously higher than those in 6-12 cm layer.The similarity coefficient between soil seed bank and standing vegetation was low at each site;but it was more stabile in soil seed bank than standing vegetation.According to this study,there were a huge amount of plant seeds including wetland plants seeds in the degraded wetlands,which provide security to the restoration of Yeyahu wetlands.The potential plant seeds could make it possible to recover the wetland ecosystems during the water delivery.It is necessary,therefore,that measures be taken to restore water resources,rid of jamming and enhance the systemic protection for the conservation of soil seed banks of degraded wetland in Yeyahu Wetland Nature Reserve of Beijing." @default.
- W2358069408 created "2016-06-24" @default.
- W2358069408 creator A5066953708 @default.
- W2358069408 date "2011-01-01" @default.
- W2358069408 modified "2023-09-22" @default.
- W2358069408 title "Characteristics of Soil Seed Banks in Different Areas of Degraded Vegetation of the Yeyahu Wetlands of Beijing" @default.
- W2358069408 hasPublicationYear "2011" @default.
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