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XU Yuanke, ZHAO Changgao, LIAO Yujun, LIN Jian, WU Chuanbo, WU Chuping, WANG Zhigao. Ananalysis of the population quantitative characteristics of Carpinus tientaiensis and its associations with other tree species[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210307
Citation: XU Yuanke, ZHAO Changgao, LIAO Yujun, LIN Jian, WU Chuanbo, WU Chuping, WANG Zhigao. Ananalysis of the population quantitative characteristics of Carpinus tientaiensis and its associations with other tree species[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210307

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Ananalysis of the population quantitative characteristics of Carpinus tientaiensis and its associations with other tree species

doi: 10.11833/j.issn.2095-0756.20210307
  • Received Date: 2021-04-21
  • Accepted Date: 2022-02-23
  • Rev Recd Date: 2022-02-21
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Ananalysis of the population quantitative characteristics of Carpinus tientaiensis and its associations with other tree species

doi: 10.11833/j.issn.2095-0756.20210307

Abstract:   Objective  With an analysis of the population and community characteristics of Carpinus tientaiensis, an extremely small population as well as its interactions with other trees species, this study is aimed to explore its endangerment mechanisms so as to propose workable protection strategies.   Method  Sampling method was first used to investigate the community characteristics in Shangshantou, Jingning She Nationality Autonomous County of Zhejiang Province, and indicators including the importance value, species abundance, distribution of the diameters at breast height (DBH) and inter-specific associations were analyzed.   Result  C. tientaiensis is one of the main dominant species in the community with the largest DBH 74.6 cm, ranking the third in importance value and accounting for 10.6% of the total tree species number, while 17.79% of the total basal area. Individuals with DBH of 1−4 cm and above 30 cm accounted for 90.00% and 66.11% of the total trees in the community respectively, while those with DBH of 4−20 cm only took up 7.91%. Strong inter-specific associations between C. tientaiensis and other species were found by means of association coefficient and percentage of co-occurrence whereas χ2 test indicated that C. tientaiensis was in intense competition against 5 other tree species.   Conclusion  Although C. tientaiensis, is one of the dominant species in the community, it has displayed population regeneration limitation with individuals with DBH at 4−20 cm found, thus faced with strong competition from other species. It was suggested that intermediate felling measures should be taken to reduce the competitive pressure of C. tientaiensis and necessary light environment should be provided for seedling settlement and tree growth. [Ch, 4 fig. 1 tab. 24 ref.]

XU Yuanke, ZHAO Changgao, LIAO Yujun, LIN Jian, WU Chuanbo, WU Chuping, WANG Zhigao. Ananalysis of the population quantitative characteristics of Carpinus tientaiensis and its associations with other tree species[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210307
Citation: XU Yuanke, ZHAO Changgao, LIAO Yujun, LIN Jian, WU Chuanbo, WU Chuping, WANG Zhigao. Ananalysis of the population quantitative characteristics of Carpinus tientaiensis and its associations with other tree species[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210307
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