Regeneration Characteristics of Rhus Typhina in Urban Forest
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    Abstract:

    [Objective] To survey the regeneration characteristics of Rhus typhina in urban forest in Tianjin City, in order to provide basis for ecological invasion and restoration of urban forest.[Methods] The regeneration characteristics of R. typhina in urban forests in Tianjin City were investigated, and compared with the existing natural regeneration data. Based on the characterization of five aggregative intensity indices, the quantitative characteristics, inter-annual variation of diameter structure and spatial pattern of regeneration seedlings of R. typhina in urban forest were studied.[Results] ① The annual density of regeneration seedlings fluctuated between 3~8 plants/m2, the one year old seedlings were majority, and the age structure showed a typical pyramid type. The population belonged to the growth type, and the regeneration ability was strong. ② The regeneration seedlings at the low level of diameter and height accounted for the vast majority of the total. ③ The regeneration seedlings of R. typhina showed a typical aggregation distribution.[Conclusion] The regeneration ability of R. typhina in urban forests is strong, and the invasion is still significant. It is necessary to take effective measures to monitor and control it.

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李茗蕊,莫训强,崔爽,李萍.城市森林中火炬树的更新特性[J].水土保持通报英文版,2018,38(5):109-114,121

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History
  • Received:May 08,2018
  • Revised:May 22,2018
  • Online: November 10,2018