Different Growth and Physiological Responses of Six Subtropical Tree Species to Warming.
Different Growth and Physiological Responses of Six Subtropical Tree Species to Warming.
复制标题
六种亚热带树种对变暖的不同生长和生理响应
DOI：
10.3389/fpls.2017.01511
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发表时间：
2017
影响因子：
5.6
通讯作者：
Liu J
中科院分区：
文献类型：
--
作者：
Li Y;Zhou G;Liu J
量化气候变暖下种间植物生长和生理的变化将有助于解释亚热带森林群落结构的转变。我们通过将幼苗和土壤从高海拔地区转移到低海拔地区，评估了3年气候变暖（约1°C，2012 - 2015年）对六种亚热带树种的植物生长和生理参数的影响。我们发现土壤/空气温度的升高对六种共存物种有不同的影响。与其他物种相比，变暖增加了木荷和马尾松的生物量，但降低了它们的比叶面积和内在水分利用效率。变暖使所有物种的叶片非结构性碳水化合物减少。我们的研究结果表明，气候变暖将对亚热带树木的生理和生长产生物种特异性影响，这可能导致这些森林的竞争平衡和组成发生变化。
Quantifying changes in interspecific plant growth and physiology under climate warming will facilitate explanation of the shifts in community structure in subtropical forest. We evaluated the effects of 3 years climate warming (ca. 1°C, 2012–2015) on plant growth and physiological parameters of six subtropical tree species by translocating seedlings and soil from a higher to a lower elevation site. We found that an increase in soil/air temperature had divergent effects on six co-occurring species. Warming increased the biomass of Schima superba and Pinus massoniana, whereas it decreased their specific leaf area and intrinsic water use efficiency compared to other species. Warming decreased the foliar non-structural carbohydrates for all species. Our findings demonstrated that a warmer climate would have species-specific effects on the physiology and growth of subtropical trees, which may cause changes in the competitive balance and composition of these forests.
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