竹叶眼子菜种群遗传多样性与群落物种多样性关系的研究

Njeri Henry Kariuki; 樊香绒; 李伟; 张俊杰; 李修岭; 陈媛媛

doi:10.11913/PSJ.2095-0837.2020.20241

竹叶眼子菜种群遗传多样性与群落物种多样性关系的研究

Njeri Henry Kariuki^1,3,4,
樊香绒^1,5,6,
李伟^1,2,
张俊杰⁷,
李修岭^8, ,,
陈媛媛^1,2, ,

1. 中国科学院武汉植物园水生植物与流域生态重点实验室, 武汉 430074;
2. 中国科学院核心植物园植物生态学协同中心, 中国科学院, 武汉 430074;
3. 中国科学院大学, 北京 100049;
4. 中国科学院中非联合研究中心, 武汉 430074;
5. 西藏大学理学院, 拉萨 850000;
6. 西藏大学青藏高原生态环境研究中心, 拉萨 850000;
7. 武昌首义学院, 武汉 430064;
8. 临沂大学水土保持与环境保护重点实验室, 山东临沂 276000

基金项目:

中国科学院武汉植物园科研骨干人才计划（Y855291B01）。

详细信息

作者简介:
Njeri Henry Kariuki: Henry Kariuki Njeri (1990-),男,硕士研究生,研究方向为植物学(E-mail:kariukiwestnd@gmail.com);樊香绒(1988-),女,博士研究生,研究方向为分子生态学(E-mail:bestxiangrong@163.com)。

通讯作者:
李修岭,E-mail:lixiuling@lyu.edu.cn

陈媛媛,E-mail:yychen@wbgcas.cn

中图分类号: Q948.8;Q347
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出版历程
- 收稿日期: 2019-07-02
- 修回日期: 2019-08-26
- 网络出版日期: 2022-10-31
- 发布日期: 2020-04-27

Study on the relationship between genetic diversity and species diversity of Potamogeton wrightii Morong between conserved and disturbed submerged plant communities

1. Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China;
2. Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Wuhan 430074, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China;
4. Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan 430074, China;
5. College of Science, Tibet University, Lhasa 850000, China;
6. Research Center for Ecology and Environment of Qinghai-Tibetan Plateau, Tibet University, Lhasa 850000, China;
7. Wuchang Shouyi University, Wuhan 430064, China;
8. Shandong Provincial Key Laboratory of Water and Soil Conservation & Environmental Protection, Linyi University, Linyi, Shandong 276000, China

Funds:

This work was supported by a grant from the Talent Program of Wuhan Botanical Garden, Chinese Academy of Sciences (Y855291B01).

摘要

摘要: 以洪湖中的沉水植物群落及其优势种竹叶眼子菜（Potamogeton wrightii Morong）为研究对象，利用AFLP分子标记结合野外调查的方法，分析保护区（干扰较小）与非保护区（干扰较大，敞水区）中沉水植物群落的物种多样性与竹叶眼子菜遗传多样性之间的相关性。结果显示：洪湖沉水植物群落物种丰富度（S）和物种多样性辛普森指数（D）在保护区和非保护区均未发现显著性差异；竹叶眼子菜的重要值（IV）在保护区（5.2%~23.2%）较非保护区（8.5%~73.3%）稳定。竹叶眼子菜的遗传多样性在两个区未发现显著差异，其遗传多样性与群落物种多样性这两个指标在保护区、非保护区及全湖水平均不相关，说明沉水植物群落的物种多样性和竹叶眼子菜的遗传多样性对不同环境干扰的响应有所差异。
- 沉水植物群落 /
- 物种多样性 /
- 遗传多样性 /
- 竹叶眼子菜
Abstract: Community surveys and genetic analyses (based on AFLP markers) were carried out to compare the species diversity (SD) of submerged plant communities, genetic diversity (GD) of dominant species Potamogeton wrightii Morong, and species-genetic diversity correlation (SGDC) between conserved and disturbed areas in Honghu Lake. Results showed that there were no significant differences in the Simpson index or species richness of the submerged plant communities or genetic diversity (H_e) of P. wrightii in the conserved and disturbed areas. The importance values (IV) of this species changed in a large range (8.5% - 73.3%) in the disturbed area but remained relatively stable in the conserved area (5.2% - 23.2%). No correlation was found between SD and GD in the conserved area, disturbed area, or entire Honghu Lake, indicating that nonparallel evolutionary factors have affected SD and GD.
- Submerged plant community /
- Species diversity /
- Genetic diversity /
- Potamogeton wrightii

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