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首页> 外文期刊>Trends in Ecology & Evolution >delta N-15 as an integrator of the nitrogen cycle [Review]
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delta N-15 as an integrator of the nitrogen cycle [Review]

机译:Delta N-15作为氮循环的积分器[评论]

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摘要

Natural abundances of the rare stable isotope of nitrogen, N-15, are now being used widely in research on N cycling in organisms and ecosystems. N-15 natural abundances are used in fundamentally different ways from traditional N-15 tracers by integrating N cycle processes via hi isotope fractionations and the mixing of various N-containing pools. This approach of using N-15 natural abundances still requires certain technical and conceptual advances before it can be used routinely in ecological research. Here,the basis of the natural abundance N-15 approach and opportunities for applying It In ecology are reviewed, and recent progress towards overcoming some of the key technical problems and in revealing large-scale patterns in N cycle processes is discussed. [References: 48]
机译:氮的稀有稳定同位素N-15的天然丰度现已广泛用于生物体和生态系统中N循环的研究。 N-15天然丰度的使用与传统N-15示踪剂有根本不同,其方式是通过高同位素分馏和各种含氮池的混合来整合N个循环过程。这种使用N-15自然丰度的方法在将其常规用于生态研究之前仍然需要一定的技术和概念上的进步。在此,回顾了自然丰度N-15方法的基础以及将其应用于生态学的机会,并讨论了克服一些关键技术问题和揭示N循环过程中大规模模式的最新进展。 [参考:48]

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