Volume 29 Issue 5
Sep.  2012
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WEI Xiao-hui, SUN Yu-jun, MA Wei. A height growth model for Cunninghamia lanceolata based on Richards’ equation[J]. Journal of Zhejiang A&F University, 2012, 29(5): 661-666. doi: 10.11833/j.issn.2095-0756.2012.05.004
Citation: WEI Xiao-hui, SUN Yu-jun, MA Wei. A height growth model for Cunninghamia lanceolata based on Richards’ equation[J]. Journal of Zhejiang A&F University, 2012, 29(5): 661-666. doi: 10.11833/j.issn.2095-0756.2012.05.004

A height growth model for Cunninghamia lanceolata based on Richards’ equation

doi: 10.11833/j.issn.2095-0756.2012.05.004
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  • Corresponding author: SUN Yu-jun
  • Received Date: 2011-11-15
  • Rev Recd Date: 2012-04-15
  • Publish Date: 2012-10-20
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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A height growth model for Cunninghamia lanceolata based on Richards’ equation

doi: 10.11833/j.issn.2095-0756.2012.05.004
    Corresponding author: SUN Yu-jun

Abstract: To establish a height growth model for Chinese fir (Cunninghamia lanceolata) on a Chinese fir plantation in Fujian Province at the Sanming Citys Jiangle State-owned Forest Farm using Richards equation,field survey data from 15 sample plots were used to simulate the tree diameter-tree height curve,the tree diameter-cumulative tree number (%) curve,and the tree height-cumulative tree number curve (%). Then data were analyzed with distributive rules for stand relative diameter (dR) and relative height (hR) using statistical software SPSS 20 for P = 0.95. Results for present stand structure were r = 0.993 with parameters A = 28.606,B = 1.094,k = 0.031,and m = -0.466. These parameters estimated values were fit to the Chinese fir growth rhythm. Richards growth equation could greatly improve forest survey indicators for tree height simulation and could provide basic data to help achieve optimal allocation of forest resources.[Ch,3 fig. 3 tab. 30 ref.]

WEI Xiao-hui, SUN Yu-jun, MA Wei. A height growth model for Cunninghamia lanceolata based on Richards’ equation[J]. Journal of Zhejiang A&F University, 2012, 29(5): 661-666. doi: 10.11833/j.issn.2095-0756.2012.05.004
Citation: WEI Xiao-hui, SUN Yu-jun, MA Wei. A height growth model for Cunninghamia lanceolata based on Richards’ equation[J]. Journal of Zhejiang A&F University, 2012, 29(5): 661-666. doi: 10.11833/j.issn.2095-0756.2012.05.004

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