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Experimental Verification of Stable Isotope and Trace Metal Incorporation in Living Planktonic Foraminifera

Experimental Verification of Stable Isotope and Trace Metal Incorporation in Living Planktonic Foraminifera
活体浮游有孔虫中稳定同位素和微量金属掺入的实验验证
批准号：
9115674
负责人：
David Lea
金额：
$0.0万
依托单位：
University of California-Santa Barbara
依托单位国家：
美国
项目类别：
Continuing grant
财政年份：
1992
资助国家：
美国
项目状态：
已结题
起止时间：
1992-01-01 至 1996-12-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9115674&HistoricalAwards=false
关键词：
ExperimentalVerificationStableIsotopeTrace

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中文摘要
翻译
将研究四种具有重要古生态意义的活浮游有孔虫的方解石壳对稳定同位素和微量金属的吸收。具体目标包括量化共生体光合作用和有孔虫呼吸对贝壳内同位素组成的影响，并确定微量金属的掺入是否与海水浓度成正比，以及温度可能在多大程度上影响这种掺入。
英文摘要
The uptake of stable isotopes and trace metals into the calcite shells of four paleo-ecologically important species of living planktonic foraminifera will be studied. Specific objectives include quantifying the effects of symbiont photosynthesis and foraminifera respiration on isotopic composition within the shell, and determining whether incorporation of trace metals is proportional to seawater concentrations and to what extent temperature may affect this incorporation.
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