植物生态学报 ›› 2016, Vol. 40 ›› Issue (5): 523-532.DOI: 10.17521/cjpe.2015.0359

• 综述 • 上一篇    

叶附生苔植物物种多样性分布格局及生态成因

姜炎彬1, 邵小明2,*   

  1. 1华中农业大学资源与环境学院, 武汉 430070
    2中国农业大学资源与环境学院, 生物多样性与有机农业北京市重点实验室, 北京 100193
  • 出版日期:2016-05-10 发布日期:2016-05-25
  • 通讯作者: 邵小明
  • 基金资助:
    国家自然科学基金(31300356)和中央高校基本科研业务费专项基金(2662014BQ025)。

Diversity and distribution pattern of epiphyllous liverworts and its ecological determinants

Yan-Bin JIANG1, Xiao-Ming SHAO2,*   

  1. 1College of Resources and Environments, Huazhong Agricultural University, Wuhan 430070, China

    2Beijing Key Laboratory of Biodiversity and Organic Farming, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
  • Online:2016-05-10 Published:2016-05-25
  • Contact: Xiao-Ming SHAO

摘要:

叶附生苔植物(以下简称叶附生苔)是一类附生在维管植物叶片表面的、一般只出现在热带雨林和常绿阔叶林中的苔类植物。它们具有重要的生态功能, 如影响碳、氮、水循环, 对气候变化和森林破碎化反应敏感, 可用作环境变化的指示植物。该文对叶附生苔的形态特性、物种多样性的研究历史和进展、地理分布格局, 以及对环境的要求(附主和生境的特性)等进行了综述, 探讨了叶附生苔多样性分布格局形成的可能原因, 即环境(空气湿度高、林冠层发育好、干扰少)和适应特征(无性繁殖、形体微小)的选择。根据全球叶附生苔研究进展状况及所存在的问题提出未来可开展的研究方向, 如叶附生苔的形成原因、与附主间的物质交换和能量流动机制、在森林生态系统中的生态功能、气候变化指示作用研究等, 大尺度上的研究也值得关注。

关键词: 苔藓植物, 物种多样性, 地理分布, 环境

Abstract:

Epiphyllous liverworts form a special group of bryophytes that primarily grow on leaves of understory vascular plants, occurring in constantly moist and warm evergreen forest in tropical and subtropical regions. Epiphyllous liverworts may influence ecosystem processes including carbon, nitrogen and water cycles. Furthermore, they are very sensitive to climate change and forest fragmentation, and can be used as bioindicators for changes in ecological conditions and escalating loss of biodiversity. In this paper, we reviewed studies on morphological traits, species diversity, geographical distribution and environmental conditions (including characteristics of hosts and habitats) of epiphyllous liverworts, discussed the possible reasons for the mechanisms underlying the diversity pattern of epiphyllous liverworts. According to these studies, we proposed that further ecological studies on epiphyllous liverworts should be more focused on their formation, mechanisms of matter exchange and energy flux, ecological functions in forest ecosystem, the response to climate changes and their broader-scale ecology.

Key words: bryophytes, species diversity, geographical distribution, environment