. Lake Sci.(湖泊科学), 2009, 21(5):732-740
http://www.jlakes.org. E-mail: jlakes@niglas.ac.cn
©2009 by Journal of Lake Sciences
湖北太白湖孢粉记录揭示的近 1500 年以来长江中下游地区的气候变
化与人类活动
*
∗
仝秀芳
1,2
, 肖霞云
2**
, 羊向东
2
, 王苏民
2
, 萧家仪
1
(1: 南京师范大学地理科学学院, 南京 210046)
(2: 中国科学院南京地理与湖泊研究所湖泊与环境国家重点实验室, 南京 210008)
摘 要: 太白湖 TN1 孔总长 153cm 岩芯的孢粉组合与炭屑指标, 揭示了近 1500 年以来太白湖流域的植被经历了 7 个阶段的
变化, 对引起植被发生这种变化的主导因素探讨认为, 520-1310AD 期间, 植被变化主要受气候变化的控制, 人类活动的影响
相对较弱; 1310-1710AD 期间, 人类活动对植被的影响强度增加, 为以自然控制为主向人类活动驱动为主转化的过渡期;
1710AD 以来, 植被变化以人类活动驱动为主, 反映的气候信号相对较弱. 在孢粉组合所反映的气候变化中, 具有
520-720AD、1050-1310AD 和自 1950AD 以来的三个暖期和 720-1050AD、1310-1710AD 期间的两个冷期.
关键词: 孢粉; 炭屑; 气候变化; 人类活动; 太白湖
Climatic changes and human activities revealed by pollen records in Lake Taibai, Hubei
Province, the middle and lower reaches of the Yangtze River region over the past 1500 years
TONG Xiufang
1,2
, XIAO Xiayun
2
, YANG Xiangdong
2
, WANG Sumin
2
& XIAO Jiayi
1
(1: Department of Geographical Science, Nanjing Normal University, Nanjing 210046, P. R . C h i n a )
(2: State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of
Sciences, Nanjing 210008, P. R . C h i n a )
Abstract: Pollen analysis and charcoal indices of a 153-cm-long lake sediment core from Lake Taibai (TN1 core) in Hubei Province
disclosed seven stages of the vegetational changes in Lake Taibai drainage area over the past 1500 years. During 520-1310AD, the
vegetational changes were mainly controlled by the climatic changes and the influence of human activities on vegetation was
relatively weak. Stage of 1310-1710AD, the influencing intensity of human activities on vegetation gradually increased, and the
stage was a transitional period of main factors from natural control to human activities drive. Since 1710AD, the vegetational changes
were controlled by human activities and the climatic signal from the vegetational changes was relatively weak. According to the
pollen assemblage, the climatic changes with three warm periods of 520-720AD, 1050-1310AD and since 1950AD and two cold
periods of 720-1050AD and 1310-1710AD could be speculated.
Keywords: Pollen; charcoal; climatic changes; human activities; Lake Taibai
长江中下游是我国浅水湖泊最集中的地区, 自然环境优越, 资源丰富, 是人类活动最活跃的场所之
一, 也是我国社会经济发展的命脉地区. 因此, 该区环境的优劣与气候变化决定了人们的生活方式与质
量, 进而影响到整个社会的稳定与国家的经济发展. 目前, 长江中下游地区环境问题非常严重(湖泊水环
境恶化、生物资源贫化、生态系统退化等), 科学的湖泊管理和资源的可持续利用, 迫切需要我们从历史
演化的角度研究湖泊生态环境由自然控制为主到人类活动驱动为主的过程, 确定导致生态系统退化和转
* 中国科学院知识创新工程重要方向项目(KZCX2-YW-319)和国家自然科学基金项目(40702029)联合资助. 2008-12-01 收
稿; 2009-02-05 收修改稿. 仝秀芳, 女, 1982 年生, 硕士研究生; E-mail: tonghong210@163.com.
** 通讯作者; E-mail: xyxiao@niglas.ac.cn.