News Release

变暖对树木生叶的效应

Peer-Reviewed Publication

Proceedings of the National Academy of Sciences

Early Leafing in Warmed Plots Compared to the Surrounding Forest. Late Spring Snow Shower Accentuate

image: Early leafing in warmed plots compared to the surrounding forest. Late spring snow shower accentuates the visual effect. view more 

Credit: Image credit: Artur Stefanski.

对在实验地块气温升高1.7摄氏度和3.4摄氏度的10个树木物种的一项研究发现,考虑到早春的变暖比晚春更能让生叶提前,变暖对树木生叶的效应有显著的年度变异;此外,这组作者发现,与晚春相比,第一个和最后一个树木物种在早春生叶有更大的时间差,这提示很可能让春天的到来加快的气候变化,可能导致不合时宜的生叶的风险增加,以及物种之间的相互作用的改变。

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