植物生态学报 ›› 2017, Vol. 41 ›› Issue (5): 585-596.DOI: 10.17521/cjpe.2016.0062

• 综述 • 上一篇    

草原生态系统植物地下生物量分配及对全球变化的响应

严月1,2,3,,A;*, 朱建军2,3,,A;*, 张彬2,3,4, 张艳杰1, 鲁顺保1,3,,A;,A;*, 潘庆民2,3,,A;,A;*   

  1. 1江西师范大学鄱阳湖湿地与流域研究教育部重点实验室/江西省亚热带植物资源保护与利用重点实验室/江西师范大学生命科学学院, 南昌 330022
    2中国科学院内蒙古草业研究中心, 北京 100093
    3中国科学院植物研究所植被与环境变化国家重点实验室, 北京 100093
    4内蒙古农业大学生态环境学院, 呼和浩特 010018
  • 出版日期:2017-05-10 发布日期:2017-06-22
  • 通讯作者: 严月,朱建军,鲁顺保,潘庆民
  • 作者简介:

    * 通信作者Author for correspondence (E-mail:sunzhiqiang1956@sina.com)

  • 基金资助:
    基金项目 国家自然科学基金(31360136、31560168、30770380和31660072)和江西省自然科学基金(20151BAB204007和20161BAB204175)

A review of belowground biomass allocation and its response to global climatic change in grassland ecosystems

Yue YAN1,2,3,*, Jian-Jun ZHU2,3,*, Bin ZHANG2,3,4, Yan-Jie ZHANG1, Shun-Bao LU1,3,**, Qing-Min PAN2,3,**   

  1. 1Key Laboratory of Poyang Lake Wetland and Watershed Research, Ministry of Education, Key Laboratory of Protection and Utilization of Subtropic Plant Resources of Jiangxi Province, College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China

    2Inner Mongolia Research Center for Prataculture, Chinese Academy of Sciences, Beijing 100093, China

    3State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

    4College of Ecology and Environmental Science, Inner Mongolia Agricultural University, Hohhot 010018, China
  • Online:2017-05-10 Published:2017-06-22
  • Contact: Yue YAN,Jian-Jun ZHU,Shun-Bao LU,Qing-Min PAN
  • About author:

    KANG Jing-yao(1991-), E-mail: kangjingyao_nj@163.com

摘要:

草原生态系统植物生物量在地上和地下器官之间的分配是联系地上生产力与地下碳固持的枢轴环节。由于地下生物量的准确测定是正确分析生物量分配的基础, 该文首先系统分析了植物地下生物量的测定方法及其优缺点; 在此基础上, 综述了当前草地生态系统地下生物量分配对全球气候变化主要驱动因子(降水、CO2浓度、温度和氮沉降)的响应, 并提出了今后相关研究中需解决的主要问题, 以期为开展全球变化背景下草地生态系统碳循环的研究提供参考。

关键词: 根冠比, 地下生物量, 降水格局, 大气温度, CO2浓度, 氮沉降

Abstract:

Biomass allocations between aboveground and belowground organs provide pivotal information for connecting aboveground productivity and belowground carbon sequestration. As accurate measurement of belowground biomass is essential for determining the biomass allocation, we first reviewed the methods in quantifying belowground biomass and their merits. We then presented the major advances on plant biomass allocations between aboveground and belowground organs, as well as the potential drivers such as precipitation, warming, atmospheric CO2 concentration, and nitrogen deposition. We finally provided a list of challenges in studying belowground biomass allocation for the future. This review has important implications for studies on carbon cycling in grassland ecosystems under the changing climate.

Key words: root/shoot ratio, belowground biomass, precipitation regime, air temperature, CO2 concentration, nitrogen deposition