Quantitatively relating ¹³C/¹²C, ²H/¹H and ¹⁸O/¹⁶O ratios of plant α‐cellulose and ²H/¹H of n‐alkanes to environmental conditions and metabolic status should ideally be based on the leaf, the plant organ most sensitive to environmental change. The fact that leaf organic matter is composed of isotopically different heterotrophic and autotrophic components means that it is imperative that one be able to disentangle the relative heterotrophic and autotrophic contributions to leaf organic matter.

中文翻译：

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叶片从异养到自养的转变记录在叶内有机质的 C、H 和 O 同位素模式中。

定量与¹³ C / ¹² C，² H / ¹ H和¹⁸ O / ¹⁶植物α纤维素的O比和² H / ¹ h的Ñ烷烃环境条件和代谢状态应理想地基于所述叶，所述对环境变化最敏感的植物器官。叶片有机质由同位素不同的异养和自养成分组成这一事实意味着必须能够解开对叶片有机质的相对异养和自养贡献。