Response of radial growth to warming and CO2 enrichment in southern Northeast China: a case of Pinus tabulaeformis
Response of radial growth to warming and CO2 enrichment in southern Northeast China: a case of Pinus tabulaeformis
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东北南部径向生长对变暖和CO2富集的响应——以油松为例
DOI：
10.1007/s10584-015-1356-8
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发表时间：
2015-03
期刊：
影响因子：
4.8
通讯作者：
Chen Zhenju
中科院分区：
文献类型：
--
作者：
Chen Zhenju
中国东北南部经历了明显的暖干气候。为大气CO2施肥和气候变暖对油松生长的影响提供了年轮学证据。这项研究的结果表明，温度升高有一个负面的影响，松树生长在生长季节的主要部分，并在一年中的其余部分的增长弱的积极影响。每月的气温解释了。1901 - 2009年油松年径向生长量总方差的20%。在年降雨量为500-700 mm的这一地区，油松所能忍受的最大温度升高约3-5 °C。我们的研究结果表明，有一个成比例的反应，升温最高只有1 °C的升温，并表明在森林生态系统的演替的复杂性方面的适应和进化的地方松树种群在快速变暖的条件下。此外，大气CO2浓度的增加对树木生长有积极影响。这种影响可以用传统的树木年代学方法检测到。
The southern part of northeast China has experienced a marked warming and drying climate. We provide dendrochronological evidence for atmospheric CO2 fertilization and the impacts of warming on Chinese pine (Pinus tabulaeformis) growth. The results of this study show that increased temperature has a negative effect on pine growth during a major part of the growing season and a weakly positive effects on growth during the remaining portion of the year. The monthly temperatures explain ca. 20 % of the total variance in the annual radial growth of Chinese pine from 1901 to 2009. An increase of approximately 3–5 °C is the maximum that Chinese pine can tolerate in this region with an annual rainfall of 500–700 mm. Our results suggest a that there is a proportional response to warming only up to a maximum of 1 °C warming, and indicate the complexitiesof succession in forest ecosystems in terms of adaptation and evolution in local pine populations under a rapid warming condition. In addition, increasing atmospheric CO2 concentrations have a positive effect on tree growth. This effect can be detected with conventional dendrochronological methods.
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影响因子：
4
作者：
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通讯作者：
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影响因子：
5.2
作者：
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通讯作者：
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影响因子：
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作者：
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