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首页> 外文期刊>Limnology and Oceanography >The record of nitrate utilization and productivity limitation provided by δ~15N values in lake organic matter-A study of sediment trap and core sediments from Baldeggersee, Switzerland
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The record of nitrate utilization and productivity limitation provided by δ~15N values in lake organic matter-A study of sediment trap and core sediments from Baldeggersee, Switzerland

机译:湖泊有机质中δ〜15N值提供的硝酸盐利用和生产力极限的记录-来自瑞士Baldeggersee的沉积物陷阱和核心沉积物研究

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摘要

The response of nitrogen isotopic composition of organic matter to changes in nitrate utilization, N-limitation and lake productivity was studied in Baldeggersee, a small eutrophic lake in central Switzerland. Nitrogen isotope ratios were measured on organic matter accumulation in sediment traps, collected daily from March 1995 through October 199, and on individually sampled light and dark annual laminate from a 108-yr sediment core sequence (1885-1993).
机译:在瑞士中部的一个富营养化小型湖泊Baldeggersee中研究了有机物的氮同位素组成对硝酸盐利用率,N限制和湖泊生产力变化的响应。从1995年3月至199年10月每天收集的沉积物捕集阱中的有机物积累,以及从108年沉积物核心序列(1885-1993年)中单独采样的浅色和深色年积层中,测量氮同位素比率。

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