Editors-in-Chief:  Weilun Yin, Beijing Forestry University, China Klaus v. Gadow, University of Göttingen, Germany
Volume 5 Issue 3
Dec.  2019
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Abstract
Li Jingwen, Zhang Huarong, Li Junqing. Effect of Isolation of Hainan Island from the Mainland on the Genetic Variation of Podocarpus imbricatus[J]. Forest Ecosystems, 2003, 5(3): 6-9.
Citation: Li Jingwen, Zhang Huarong, Li Junqing. Effect of Isolation of Hainan Island from the Mainland on the Genetic Variation of Podocarpus imbricatus[J]. Forest Ecosystems, 2003, 5(3): 6-9.
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Effect of Isolation of Hainan Island from the Mainland on the Genetic Variation of Podocarpus imbricatus

  • College of Resources and Environment, Beijing Forestry University, Beijing 100083, P. R. China

Funds: 

Supported by the National Natural Science Foundation of China (Grant No.39830310)

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  • Received Date: 02 March 2003
  • Rev Recd Date: 19 July 2003
    Graphical Abstract
    • Abstract
  • Random amplified polymorphic DNA (RAPD) markers were used to analyze genetic variation of Podocarpus imbricatus
     in Hainan Island and Mainland of China. Two populations of Dacrydium pierrei
     were used as comparison materials. Both Podocarpus imbricatus
     and Dacrydium pierrei
     showed a low level of genetic diversity. However, Podocarpus imbricatus
     showed higher genetic diversity and higher population differentiation than Dacrydium pierrei
    . The geographic range may affect the genetic diversity of Podocarpus imbricatus
     and Dacrydium pierrei
     significantly. The UPGMA cluster tree showed that populations of Podocarpus imbricatus
     in Hainan Island and Guangxi Zhuang Autonomous Region were closer than those in Yunnan Province, indicating possible gene flow between Hainan Island and Guangxi Zhuang Autonomous Region. The young geological history of Hainan Island and the three times of unification and separation between Hainan Island and the Mainland may give the two species more possibilities of gene flow.
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