Editors-in-Chief:  Weilun Yin, Beijing Forestry University, China Klaus v. Gadow, University of Göttingen, Germany
SHI Juan, LUO You-qing, WU Hai-wei, YAN Xiao-su, JIANG Ping, CHEN Wei-ping. Impact of invasion of pine wood nematode on the growth of dominant shrub Pleioblastus amarus in Pinus massoniana communities[J]. Forest Ecosystems, 2009, 11(1): 61-63. DOI: 10.1007/s11632-009-0004-7
Citation: SHI Juan, LUO You-qing, WU Hai-wei, YAN Xiao-su, JIANG Ping, CHEN Wei-ping. Impact of invasion of pine wood nematode on the growth of dominant shrub Pleioblastus amarus in Pinus massoniana communities[J]. Forest Ecosystems, 2009, 11(1): 61-63. DOI: 10.1007/s11632-009-0004-7

Impact of invasion of pine wood nematode on the growth of dominant shrub Pleioblastus amarus in Pinus massoniana communities

Funds: 

This study was supported by the State Key Development Program for Basic Research of China ("973" Project) (2009CB119200), the National Project of Science and Technology for the 11th Five-Year Plan in China (Grant No. 2006BAD08A15), and the "948" Project of State Forestry Administration, P. R. China (2006-4-37).

More Information
  • Received Date: 17 October 2008
  • Rev Recd Date: 25 November 2008
  • When pine trees are invaded by pine wilt diseases, the severely infected pine trees will die and fall down, or they will be removed when found to be damaged by the disease. It gives rise to the invasion of other species in these empty niches originally occupied by pine trees, i.e., competing surrounding trees or understory shrubs will invade the empty niches during the following years. As a result, the spatial distribution and pattern of the main tree species in a pine forest will change, and a niche variety in the main population will occur. In the end, the direction of the succession and restoration of the pine forest ecosystem will be affected. In our study, a Pinus massoniana
    forest with the dominant shrub, Pleioblastus amarus
    , was invaded by pine wood nematode and was clear cut. Selecting this community as our research object, we studied the effect of the invasion of the pine wood nematode on the growth of the dominant shrub, P. amarus
    , in this Pinus massoniana
    forest. Our results show that, after the attacked pine trees were removed, the niche was occupied by Pleioblastus amarus
    and other shrubs, which benefited the growth of P. amarus
    to its climax. Growth of P. amarus
    at the climax stage was greater compared with the unhealthy pine forest and the control group.
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