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应用生态学报 ›› 1998, Vol. 9 ›› Issue (6): 592-596.

• 研究论文 • 上一篇    下一篇

武夷山甜槠群落钙、镁的累积和循环

李振基1, 林益明1, 杨志伟1, 林鹏1, 何建源2, 汪家社2   

  1. 1. 厦门大学生物学系, 厦门361005;
    2. 武夷山国家级自然保护区管理局, 武夷山354315
  • 收稿日期:1995-05-15 修回日期:1998-05-15 出版日期:1998-11-25 发布日期:1998-11-25
  • 基金资助:

    福建省自然科学基金(C92004);武夷山国家级自然保护区管理局资助项目

Accumulation and cycling of Ca and Mg in Castanopsis eyrei community in Wuyishan Mountains

Li Zhenji1, Lin Yiming1, Yang Zhiwei1, Lin Peng1   

  1. Department of Biology, Xiamen University, Xiamen 361005
  • Received:1995-05-15 Revised:1998-05-15 Online:1998-11-25 Published:1998-11-25

摘要: 对51年生甜槠群落Ca、Mg含量及其生物循环研究表明,甜槠群落现存量中,Ca、Mg总量分别为1029.96和231.34kg·hm-2;其中地上部分分别为801.40和159.68kg·hm-2, 地下部分分别为228.56和71.66kg·hm-2.该群落Ca、Mg生物循环中,年吸收量分别为63.17和18.68kg·hm-2, 年存留量分别为31.77和11.41kg·hm-2, 年归还量分别为31.40和7.27kg·hm-2;Ca、Mg的富集率分别为1.66和2.14.

关键词: 甜槠群落, Ca、Mg累积, 生物循环, 存活率, 石榴品种, 发育历期, 繁殖, 生命表参数, 井上蛀果斑螟

Abstract: Studies on a 51 years old Castanopsis eyrei community in Wuyishan Mountains show that the standing had a storage of 1029.96kg·hm-2 Ca and 231.34kg·hm-2 Mg, 801.40kg·hm-2 Ca and 159.68kg·hm-2 Mg in aboveground part, and 228.56kg·hm-2 Ca and 71.66kg·hm-2 Mg in underground part.The annual uptake was 63.17kg·hm-2 Ca and 18.68kg·hm-2 Mg, annual retention was 31.77kg·hm-2 Ca and 11.41kg·hm-2 Mg, and annual return was 31.40 kg·hm-2 Ca and 7.27kg·hm-2 Mg.The enrichment ratios of Ca and Mg were 1.66 and 2.14, respectively.

Key words: Castanopsis eyrei community, Accumulation of Ca and Mg, Biological cycling, developmental duration, Assara inouei Yamanaka, fecundity, pomegranate variety, life table parameter, survival rate