Notice of RetractionThe influences on the fluctuations of Karelinia caspica community under surface water-overflowing disturbance, western China

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

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The main purpose of this study is to examine the fluctuation characteristics of natural Karelinia caspica community from the year of 2007 to 2008 in desert riparian forest under surface water-overflowing disturbance in the lower reaches of the Tarim River, China. According to the representative sampling method method, sampling sites were conducted and investigated. In this paper, community structure, species diversity and dominant species were chosen as the indictors which could reflect the characteristics of community fluctuation. And then the fluctuation process of K. caspica community was studied. The main results are shown as follows. The species composition is changed a lot in K. caspica community under surface water-overflowing disturbance. The Sorensen similarity coefficient of plant species is 12.50% in community under the disturbance and non-disturbance, indicating that species composition is very similar and main structure of the community hasn´t changed on these two different treatments. Species numbers and richness are increased in community under the effect of the disturbance. On the other hand, community structure transform simple into power to complex. Under the disturbance, species diversity of K. caspica community has great change. And the species richness, species evenness and species diversity are increased obviously while ecological dominance of species is appreciably decreased in K. caspica community. Based on the data, the dominant species is selected from community. During the fluctuation - rocess of community, species composition and community structure transform simple into complex significantly in K. caspica community under disturbance. Species diversity is increased during the process of community change. It shows that the surface water supplement is an effective measure to make K. caspica community positively fluctuate.