Title page for etd-0915100-134356


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URN etd-0915100-134356
Author De-Chih Liao
Author's Email Address m8525619@student.nsysu.edu.tw
Statistics This thesis had been viewed 5581 times. Download 3552 times.
Department Biological Sciences
Year 1999
Semester 2
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title Woody Floristic Composition of the Secondary Forest Permanent Plot of Nanjenshan Area
Date of Defense 2000-07-29
Page Count 74
Keyword
  • secondary forest
  • permanent plot
  • distribution pattern
  • PCA
  • Abstract   The purpose of this study is to understand the composition of the secondary forest of Nanjenshan area. A 5-ha plot was established at altitudes 200-264m on the north ridge of Nanjenshan. All free-standing woody plantsin the plot with DBH≧1cm were identified, measured, tagged and mapped.
      A total of 108 tree species belonging to 40 families and 77 genera was recorded. The dominant species are Acacia confusa, Lagerstroemia subcostata, Psychotria rubra, Ficus septica及Dendrocnide meyeniana. The dominant families are Fabaceae, Moraceae, Euphorbiaceae, Rubiaceae及Lythraceae.
      TWINSPAN analysis reveales four groups. Group 1 is dominanted by Acacia confusa, Glochidion philippicum and Psychotria rubra. Group 2 is dominanted by Acacia confusa, Psychotria rubra and Lagerstroemia subcostata. Group 3 is dominanted by Acacia confusa, Psychotria rubra and Glochidion rubrum. Group 4 is dominanted by Acacia confusa, Lagerstroemia subcostata and Dendrocnide meyeniana.
      There are four kind of distribution pattern in this plot. Machilus obovatifolia and Osmanthus marginatus occurred on the hilltop; Dendrocnide meyeniana and Ficus virgata occurred on the middle-woody site; Zanthoxylum ailanthoides and Wendlandia uvariifolia only occurred along the steamside; Acacia confusa and Psychotria rubra were commonly distributed over the plot.
    Advisory Committee
  • Yuen-Po Yang - co-chair
  • Chang-Sheng Kuoh - co-chair
  • Ho-Yih Liu - advisor
  • Files
  • doc1.pdf
  • indicate access worldwide
    Date of Submission 2000-09-15

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