新疆北部草地典型灌木的碳氮特征
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Carbon and nitrogen traits of typical shrubs in grassland of northern Xinjiang, China
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图1. 叶、枝、茎中C、N含量及C:N的频数分布图。 |
Fig. 1. Frequency distributions of the C and N contents and C:N in leaves, branches and stem. CV, coefficient of variation; SD, standard deviation. |
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