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The Ecological and Environmental Significance of Biomarkers and Their Research Prospects

YANG Ming-sheng1a,1b,2,ZHANG Hu-cai2,LI Bin3(1a.School of Environmental and Chemical Engineering,Nanchang University,Nanchang 330031,China;1b.Key Laboratory of Poyang Lake Environment and Resource Utilization,Ministry of Education,Nanchang University,Nanchang 330047,China;2.State Key Laboratory of Lake Science and Environment,Nanjing Institute of Geography and Limnology,CAS,Nanjing 210008,China;3.Key Laboratory of Western China's Environmental Systems(Ministry of Education),College of Earth and Environment Sciences,Lanzhou University,Lanzhou 730000,China)  
Biomarkers,the remnant of organisms formed in the stratum in the geological period after the lengthy geological reformation,could still remain their original C-structure to a varying extent.Based on sampling with high resolution,the biomarkers can reveal paleo-biological and paleo-environmental changes of ten years period,one hundred years period or one thousand years period.This paper summarizes the latest progress of biomarkers study on lacustrine sediments,marine sediments,soil,peat sediments,loess,glacier,aerosol and cave stalagmite,reviews the main achievements and basic problems,and shows the prospects in this field.
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