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Effect of two species of transplanted trees on ecology restoration on wasteland.
Pages: 49-52
Year: Issue:  4
Journal: Rural Eco-Environment

Keyword:  primary ecological restorationwastelandplant speciescommunityhydroelectric project;
Abstract: Early patterns of community composition and structure under 10-year-old tree plantations on the wasteland of Geheyan hydroelectric project were evaluated.Undamaged natural secondary forests and unmanaged wasteland near the project were also investigated in order to provide contrasts for further analysis.There were 75 species invaded and established on the wasteland other than the two planted,including 26 species of shrubs and 50 species of herbs under 35 families and 68 genera.Different planted species brought about diverse preliminary forest community under the plantation.61 species appeared under the plantation of Sabina chinensis,a native species,including 30 herbaceous species and 16 woody species and 14 vine species,whereas only 42 species under the plantation of Pinus elliottii,an exotic species,by contrast,including 34 herbaceous species,3 vein species and 5 woody species.The species diversity under Sabina chinensis increased more quickly than that under Pinus elliottii,especially on the shrub layer.The difference in species composition resulted in different community structure.It is necessary for us to get more information on tree species to be planted,not only their biological features but also their ecological characteristics before making plantation scenarios.
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