| 不同潮位的桐花树（Aegiceras corniculatum）亚种群的遗传结构 |
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| 引用本文： | 黎中宝,林鹏,林益明.不同潮位的桐花树（Aegiceras corniculatum）亚种群的遗传结构[J].厦门大学学报(自然科学版),2001,40(5):1107-1111. |
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| 作者姓名： | 黎中宝 林鹏 林益明 |
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| 作者单位： | 1. 厦门大学生命科学学院;集美大学水产生物技术研究所
2. 厦门大学生命科学学院, |
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| 基金项目： | 教育部博士学科点专项科研基金资助项目(1999038410) |
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| 摘 要： | 用等位酶分析技术研究了海南东寨港红树林分布区内位于高潮带和低潮带桐花树亚种群的遗传多样性和遗传分化。结果表明，不同潮位的桐花树种亚种群维持着较高的遗传多样性，观察杂合度为0．235，预期杂合度为0．186，不同潮位的桐花树亚种群的遗传分化很低，亚种群间的遗传分化为FST＝0．058，表明总的遗传变异中有94．2％来自亚种群内。基因流顺畅，Nm=4.06。亚种群间的遗传一致度和遗传距离分别为0．976和0．024。
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| 关 键 词： | 等位酶 遗传结构 基因流 桐花树 亚种群 遗传多样性 遗传分化 红树植物 |
| 文章编号： | 0438-0479(2001)05-1107-05 |
| 修稿时间： | 2000年6月22日 |
The Genetic Structure of Aegiceras corniculation Subpopulations in Different Tides |
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| LI Zhong bao,LIN Peng,Lin Yi ming.The Genetic Structure of Aegiceras corniculation Subpopulations in Different Tides[J].Journal of Xiamen University(Natural Science),2001,40(5):1107-1111. |
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| Authors: | LI Zhong bao LIN Peng Lin Yi ming |
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| Abstract: | The genetic variation and genetic differentiation are investigated by using allo zyme technic in A. corniculation in high tide and low tide in Dongzaigang Ha rbour of Hainan Province. The results showed that A. corniculation subpopula tion maintained relatively high level of genetic variation; The observed heteroz ygosity ( H o) was 0.235, and the expected heterozygosity ( H e) was 0.186; The genetic differentiation in A. corniculation in different tides was low, F ST = 0.058 , which showed that 94.2% of total heterozygosity came fr om intra subpopulation, and the genetic distance and genetic identity between s ubpopulation was 0.024 and 0.976 respectively, gene flow ( N m) was smooth, which was 4.06. |
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| Keywords: | allozyme genetic structure gene flow tides Aegiceras corniculation |
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