武夷山亚热带常绿阔叶林物种多样性的尺度效应

doi:10.11934/j.issn.1673-4831.2016.05.010

生态与农村环境学报 ›› 2016, Vol. 32 ›› Issue (5): 750-756.doi: 10.11934/j.issn.1673-4831.2016.05.010

武夷山亚热带常绿阔叶林物种多样性的尺度效应

陈婷婷^1,2, 徐辉³, 马方舟², 陈水飞², 徐海根², 方炎明⁴, 杨青³, 徐鲜钧³, 丁晖²

1. 南京信息工程大学应用气象学院, 江苏南京 210044;
2. 环境保护部南京环境科学研究所/国家环境保护生物安全重点实验室, 江苏南京 210042;
3. 福建省武夷山生物研究所, 福建武夷山 354300;
4. 南京林业大学南方现代林业协同创新中心/生物与环境学院, 江苏南京 210037

收稿日期:2015-11-25 出版日期:2016-09-25 发布日期:2016-10-08
通讯作者: 丁晖,E-mail:nldinghui@sina.com E-mail:nldinghui@sina.com
作者简介:陈婷婷(1990-),女,江苏盐城人,硕士生,主要从事植物群落物种多样性研究。E-mail:cttfighting@163.com
基金资助:
环保公益性行业科研专项（201309039）；中央级科学事业单位修缮购置专项“全国生物多样性野外监测示范基地修缮项目一期”；环境保护部事业费项目“生物多样性保护专项”；福建省省属公益类科研院所基本科研专项（2014R1010-1）

Scale Effects on Species Diversity of Subtropical Evergreen Broad-Leaved Forest on Wuyi Mountains

CHEN Ting-ting^1,2, XU Hui³, MA Fang-zhou², CHEN Shui-fei², XU Hai-gen², FANG Yan-ming⁴, YANG Qing³, XU Xian-jun³, DING Hui²

1. College of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China;
2. Research Center for Nature Conservation and Biodiversity/State Environmental Protection Key Laboratory on Biosafety, Nanjing Institute of Environmental Sciences, Ministry of Environmental Protection, Nanjing 210042, China;
3. Wuyi Mountains Biological Institute of Fujian Province, Wuyishan 354300, China;
4. Southern Modern Forestry Collaborative Innovation Center/College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China

Received:2015-11-25 Online:2016-09-25 Published:2016-10-08

摘要/Abstract

摘要：

武夷山存留着典型的中亚热带原生性森林生态系统，为进一步探索该区域物种多样性的形成和维持机制，探讨了样地内物种多样性指数的空间分布格局及其尺度效应。以福建武夷山9.6 hm²森林动态监测样地内的乔木（≥1 cm）为研究对象，分别在7个取样尺度（5 m×3 m、10 m×6 m、20 m×12 m、40 m×24 m、80 m×48 m、133.3 m×80 m、200 m×120 m）上，计算其Simpson多样性指数、Shannon-Wiener多样性指数和Pielou均匀度指数，并采用方差、变异系数描述其空间变异特征以及各指数与取样尺度的关系。结果表明，3种指数均与取样尺度相关，且表现出较强的区域性分布特征。此外，物种多样性的多寡不仅与空间尺度密切相关，其分布特征也具有尺度推演规律。因此，今后在对植物群落物种多样性进行分析时，应慎重进行物种多样性尺度推演，同时应考虑因取样尺度和取样区域的不同而带来的空间差异。

关键词: 取样尺度, 尺度效应, 物种多样性指数, 空间变异

Abstract:

Scale effect is of fundamental ecological significance to exploration of structural variation and dynamics of plant communities. As the Wuyishan preserves certain patches of natural primary forest ecosystems typical of the central subtropics, exploration was carried out in that region of mechanisms of the formation and maintenance of the species diversity, and spatial distribution of the species diversity index in the region and its scale effects. Based on trees ≥1 cm in DBH within the forest dynamics monitoring zone, 9.6 hm² in area on the Wuyishan, Fujian Province, Simpson index, Shannon-Wiener index and Pielou's evenness index were calculated using seven sampling scales (5 m×3 m, 10 m×6 m, 20 m×12 m, 40 m×24 m, 80 m×48 m, 133.3 m×80 m, 200 m×120 m). Variance and coefficient of variation was used to describe spatial variability, as well as relationships between these indices and sampling scale. Results show that all the indices are related with scale, and feature significantly regional distribution. In addition, species diversity is not only related to spatial scale, and its distribution also follows the rule of scale deduction. Therefore, in analyzing species diversity of plant communities in future, attention should be paid to the rule of scale deduction and spatial variability brought about by sampling scale and areas.

Key words: sampling scale, scale effect, species diversity index, spatial variability

中图分类号:

Q948
X826

陈婷婷, 徐辉, 马方舟, 陈水飞, 徐海根, 方炎明, 杨青, 徐鲜钧, 丁晖. 武夷山亚热带常绿阔叶林物种多样性的尺度效应[J]. 生态与农村环境学报, 2016, 32(5): 750-756.

CHEN Ting-ting, XU Hui, MA Fang-zhou, CHEN Shui-fei, XU Hai-gen, FANG Yan-ming, YANG Qing, XU Xian-jun, DING Hui. Scale Effects on Species Diversity of Subtropical Evergreen Broad-Leaved Forest on Wuyi Mountains[J]. Journal of Ecology and Rural Environment, 2016, 32(5): 750-756.

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武夷山亚热带常绿阔叶林物种多样性的尺度效应

Scale Effects on Species Diversity of Subtropical Evergreen Broad-Leaved Forest on Wuyi Mountains

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