Volume 25 Issue 3
Jun.  2018
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ZHANG Ming-ru, WEN Guo-sheng, YAN Wen-hong, HOU ping, ZHAI Ming-pu, ZHANG Jin. Growth strategy of Rhus typhina clonal ramets in the hilly area of the Taihang Mountains[J]. Journal of Zhejiang A&F University, 2008, 25(3): 282-288.
Citation: ZHANG Ming-ru, WEN Guo-sheng, YAN Wen-hong, HOU ping, ZHAI Ming-pu, ZHANG Jin. Growth strategy of Rhus typhina clonal ramets in the hilly area of the Taihang Mountains[J]. Journal of Zhejiang A&F University, 2008, 25(3): 282-288.

Growth strategy of Rhus typhina clonal ramets in the hilly area of the Taihang Mountains

  • Received Date: 2007-05-10
  • Rev Recd Date: 2007-11-02
  • Publish Date: 2008-06-10
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Growth strategy of Rhus typhina clonal ramets in the hilly area of the Taihang Mountains

Abstract: To understand the growth strategies of clonal ramets from Rhus typhina, an exotic tree species, in the shrub-grassland of the hilly area of the Taihang Mountains in north China, a relevant analysis was conducted on the heterogeneous growth characteristics of R. typhina clonal ramets in two different habitats, farmland and shrub-grassland, using a continuous quadrat method. The major results for clonal ramets of R. typhina were as follows:1) the front part of the lateral root diameter was two times larger than the back, and growth rates of crown width were faster than the height;2) there was a power function relationship for crown width and tree height, with the heterogeneous growth of the front and back parts of the lateral root diameter more stable on farmland than in the shrub-grassland; and 3) ramets on farmland were 31 times greater than in the shrub-grassland ecotype. A growth strategy with much faster lateral branch and leaf growth than tree height, enabled clonal ramets of R. typhina to form a dominant synusium resulting in gradual disappearance of the native deciduous shrub and grass synusiums.

ZHANG Ming-ru, WEN Guo-sheng, YAN Wen-hong, HOU ping, ZHAI Ming-pu, ZHANG Jin. Growth strategy of Rhus typhina clonal ramets in the hilly area of the Taihang Mountains[J]. Journal of Zhejiang A&F University, 2008, 25(3): 282-288.
Citation: ZHANG Ming-ru, WEN Guo-sheng, YAN Wen-hong, HOU ping, ZHAI Ming-pu, ZHANG Jin. Growth strategy of Rhus typhina clonal ramets in the hilly area of the Taihang Mountains[J]. Journal of Zhejiang A&F University, 2008, 25(3): 282-288.

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