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全新世南极南海典型岛屿对全球变化的生态响应与对比

项目名称: 全新世南极南海典型岛屿对全球变化的生态响应与对比
项目类型: 国家自然科学基金项目
项目负责人: 孙立广
项目成员:
项目编号: 40730107
父项目编号:
规划期:
立项时间:
预期结束: 2008-01-01
实际结束: 2011-12-31
金额(万元): 170
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项目简介

   选择南极和南海若干典型岛屿含动植物残体的海鸟、海豹生物粪土层作为研究生态环境变化的载体,应用多学科交叉的南极无冰区生态地质学研究方法,探索高低纬度地区全新世以来典型岛屿生态系统在气候变化和海平面波动过程中的演化;探讨影响生态系统演变的自然因素和人为因素;查明生态系统内部主要种群的消长关系和先后次序。本项目将结合前期研究结果,将经向和纬向上典型岛屿的生态记录组合成时空上相关的网络,进行南极半岛企鹅海豹数量变化沿经线的对比、环南极纬向上的对比,以确定海洋动物迁徙路线对冰盖进退、气候变化的响应。同时进行南极和南海海鸟生态演变与气候变化的对比,进而建立全新世高低纬度地区岛屿对全球变化的生态响应模型和典型剖面。并与冰芯、黄土和海洋沉积物的气候记录进行对比,为研究和预测未来气候与生态环境变化提供科学依据,推动《全新世生态地质学》这门新兴学科的发展,并在国际极地年(IPY)期间作出有亮点的成果。

introduction

   The sediment sequences influenced by the sea birds and seals from the islands of South China Sea and Antarctica were selected as the carrier for studying the environmental change, using the methods of interdiscipline and eco-geology for Antarctic ice-free regions. The goals of the present study are mainly to explore eco-system evolvement of typical islands in the process of the climate change and seal level fluctuation, discuss the natural and anthropogenic factors influencing the ecosystem evolution, and find out the relations of growth and decline and the sequence of main plant or animal community in ecosystem. On the other hand, combined with the results of our previous researches, the spatial and temporal distributions of ecological records for the typical islands along the directions of longitude and latitude were synthesized as a network. Meanwhile, we compared the change of penguin and seal populations in Antarctic peninsula along the direction of longitude and latitude in order to discover the possible route of sea animal migration in response to climate change and ice-sheet advance or retreat. According to the comparison between the climate change and the seabird ecosystem evolvement in the Antarctic and South China Sea, the ecological model and typical profiles of the ecosystem evolvement in response to the climate change have been built. Finally, we compared the results with the climate records of ice-core, loess and marine sediments to provide the evidence of studying and forecasting the changes of climate and environment, and this may be helpful for building the new subject of Holocene Eco-geology and providing the striking production during international polar year(IPY).


相关论文

期刊 标题 作者
科学通报 2014 59 Paleodietary changes by penguins and seals in association with Antarctic climate and sea ice extent 黄涛; 孙立广; Wang Yuhong ; Steven D. Emslie
SCIENTIFIC REPORTS 2013 3 Penguin tissue as a proxy for relative krill abundance in East Antarctica during the Holocene 黄涛; 孙立广; 龙南晔; 王玉衡
极地研究 2010 21 Feasibility of using reflectance spectroscopy for the analysis of bioelement concentrations in Antarctic ornithogenic sediments 刘晓东; 孙静; 孙立广; 刘文齐; 王玉红
极地研究 2012 24 东南极拉斯曼丘陵湖泊沉积生物标志物记录及其环境气候意义 刘毅; 罗宇涵; 孙松; 何毓新; 柳中晖; 孙立广
极地研究 2011 23 生物硅在东南极湖泊古初级生产力研究中的应用 姜珊; 刘晓东; 徐利强; 孙立广
极地研究 2011 23 西南极菲尔德斯半岛海豹粪土沉积物有机地球化学特征 黄婧; 孙立广; 王新明; 王玉宏
极地研究 2011 22 Organic geochemical characterization on a seal excrement sediment core from Fildes Peninsula, Western Antarctica 黄婧; 孙立广; 王新明; 黄涛
Polar Biology 2010 33 The ecosystem evolution of penguin colonies in the past 8,500 years on Vestfold Hills, East Antarctica 黄婧; 孙立广; 王新民
极地研究 2009 20 Temporal and spatial variations of a tmospheric methane concentration and δ 13 C-CH 4 near the surface on the Millor Peninsula, East Antarctica 刘雅淑; 朱仁斌; 李香兰; 徐华; 孙立广
科学通报 2009 22 20世纪南极法尔兹半岛海豹数量变化及其影响因素 杨奇超; 孙立广; 孔德明; 黄涛; 王玉宏
极地研究 2009 21 东南极戴维斯站企鹅粪土沉积物有机地球化学特征 黄婧; 王新明; 孙立广
Antarctic Science 2009 21 Penguin occupation in the Vestfold Hills 黄涛; 孙立广; 朱仁斌
Polar Biology 2010 33 The ecosystem evolution of penguin colonies in the past 8,500 years on Vestfold Hills, East Antarctica Wen Huang; Yuhong Wang; 黄婧; 孙立广; 王新民
Atmospheric Environment 2013 67 Sea ice in the Arctic Ocean: Role of shielding and consumption of methane 何鑫; 孙立广; 谢周清

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