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应用生态学报 ›› 2018, Vol. 29 ›› Issue (2): 343-351.doi: 10.13287/j.1001-9332.201802.037

• 长白山论坛专栏 • 上一篇    下一篇

庙岛群岛典型植物群落物种、功能、结构多样性及其对环境因子的响应

郑丽婷1,2,3, 苏田1,2,3, 刘翔宇1,2,3, 尹芳1,2,3, 郭超1,2,3, 妥彬1,2,3, 阎恩荣1,2,3*   

  1. 1华东师范大学生态与环境科学学院, 上海 200241;
    2浙江普陀山森林生态系统定位观测研究站, 浙江舟山 316100;
    3浙江天童森林生态系统国家野外科学观测研究站, 浙江宁波 315114
  • 收稿日期:2017-09-01 出版日期:2018-02-18 发布日期:2018-02-18
  • 通讯作者: E-mail: eryan@des.ecnu.edu.cn
  • 作者简介:郑丽婷, 女, 1993年生, 博士研究生. 主要从事植物功能生物地理学研究. E-mail: ltzheng12@163.com
  • 基金资助:

    本文由国家自然科学基金项目(31670438,31770467)和国家海洋局海洋公益性行业科研专项(201505009)资助

Species, functional, structural diversity of typical plant communities and their responses to environmental factors in Miao Archipelago, China.

ZHENG Li-ting1,2,3, SU Tian1,2,3, LIU Xiang-yu1,2,3, YIN Fang1,2,3, GUO Chao1,2,3, TUO Bin1,2,3, YAN En-rong1,2,3*   

  1. 1School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China;
    2Putuo Forest Ecosystem Research and Observation Station, Zhoushan 316100, Zhejiang, China;
    3Tiantong National Forest Ecosystem Observation and Research Station, Ningbo 315114, Zhejiang, China
  • Received:2017-09-01 Online:2018-02-18 Published:2018-02-18
  • Contact: E-mail: eryan@des.ecnu.edu.cn
  • Supported by:

    This work was supported by the National Natural Science Foundations of China (31670438, 31770467) and the Special Found for National Oceanic Administration in the Public Interest (201505009).

摘要: 海岛植被在全球生物多样性研究中起重要作用,研究海岛植被多样性对于理解海陆相互作用下植物群落的多样性维持机制有重要意义.本研究以庙岛群岛的麻栎群落、刺槐群落、黑松群落、荆条群落4种典型植物群落为对象,采用物种多样性指数、功能多样性指数和结构多样性指数,在群落尺度上探讨了海岛典型植物群落物种、功能、结构多样性间的关系及其对环境因子的响应.结果表明: 黑松群落的物种丰富度与Rao指数高于刺槐群落与麻栎群落,而结构多样性却较低;荆条灌丛的物种、结构多样性均低于森林群落,而功能多样性高于部分森林群落.物种丰富度与Rao指数以及树高多样性间呈显著正相关,与功能均匀度呈显著负相关.结构多样性主要由坡度决定且与坡度呈负相关;功能均匀度与坡度呈正相关,而功能异质性、功能离散度和物种多样性则更多地受土壤理化性质的影响,与土壤容重及土壤总碳呈正相关,与土壤含水率呈负相关.总体而言,庙岛群岛的植物群落多样性格局既有与大陆植被相似的特征,但也有其海岛特殊性.

Abstract: Island vegetation plays an important role in biodiversity research across the world. The study of plant diversity in island is helpful for understanding the mechanism of plant diversity maintenance under land-sea interaction. Here, four typical plant communities (Quercus acutissima community, Robinia pseudoacacia community, Pinus thunbergii community and Vitex negundo community) in Miao Archipelago were selected to examine the species, functional and structural diversities and their responses to environmental factors at the community scale by using species diversity indices, functional diversity indices, as well as structural diversity indices. The results showed that the species richness and Rao index of P. thunbergii community was higher than that of Q. acutissima community and R. pseudoacacia community, but the structural diversity was lower. The species diversity and structural diversity of V. Negundo shrub were lower than that of forest community, but the functional diversity was higher than some forest communities. The relationship between the diversity of typical plant communities in island area illustrated a significant positive correlation between species richness with Rao index and tree height diversity, however the correlation with functional evenness was significantly negative. The structural diversity and functional evenness were determined by slope with negative and positive relationships, respectively. Functional heterogeneity, functional divergence and species diversity were affected largely by soil physical and chemical properties, displaying the positive relationship with soil bulk density and soil total carbon content, and a negative relationship with soil water content. In conclusion, diversity pattern of plant community in Miao Archipelago reflected not only the characteristics in mainland vegetation but also the special nature of the sea island.