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原文連結
論文資訊
- 類型：已發表論文
- 日期：2013
摘要
The leaf 經濟s spectrum (LES) describes global interspecific correlations between leaf traits. Despite recent theoretical advances, the 生物 scale at which LES correlations emerge and the physiological and climatic causes of these correlations remains partially unknown. Here, we test an extant theory based on universal trade-offs in leaf venation 網絡s that predicts that (i) the LES primarily originates within individuals; (ii) minor vein density drives LES trait correlations; and (iii) between individuals, LES correlations reflects variation in minor vein density driven by water availability. To test these predictions, we sample leaves within and between clones of Populus tremuloides across a wide 氣候 gradient. We show that predictions i) and iii) are supported but ii) is only partially supporte
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