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Position: Home > Articles > Mechanisms of stable carbon isotope fractionation by phytoplankton and its environmental applications Chinese Journal of Ecology 2017,36 (5) 1436-1443

浮游植物稳定碳同位素分馏机制及环境应用

作  者:
韩琼;王宝利
单  位:
天津大学表层地球系统科学研究院
关键词:
浮游植物;碳循环;同位素分馏;生态系统
摘  要:
浮游植物驱动水体碳循环,是解释全球碳生物地球化学过程的关键因素。相对于陆地植物,浮游植物碳在合成过程中的分馏机制较为复杂。为了系统了解藻类碳同位素分馏过程及其同位素在环境中的应用,本文调研了国内外的相关研究进展,并以蓝藻、绿藻和硅藻为代表,阐述了浮游植物碳浓缩及其同位素分馏的机制。此外,本文还总结了目前藻类碳同位素信号的变化范围及其影响因素,并探讨了藻类碳同位素在古海洋、水生食物网与水体碳循环研究中的应用。
译  名:
Mechanisms of stable carbon isotope fractionation by phytoplankton and its environmental applications
作  者:
HAN Qiong;WANG Bao-li;Institute of Surface Earth System Science,Tianjin University;
关键词:
phytoplankton;;carbon cycle;;isotope fractionation;;ecosystem
摘  要:
Phytoplankton drives aquatic carbon cycle and is a key factor to understand the global carbon biogeochemical cycle.Compared with terrestrial plants,mechanisms of stable carbon isotope fractionation in algal photosynthesis are more complicated.In order to systematically understand the algal carbon isotope fractionation and its environmental application,the current relevant studies were surveyed.Taking cyanobacteria,green algae and diatoms as examples,this paper reviewed their carbon concentrating and carbon isotope fractionation mechanisms.Besides,this paper also summarized the range of algal δ13C and its influencing factors,and discussed the application of algal carbon isotope in the scientific fields of paleoceanography,aquatic food web and carbon cycle.

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