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| Tree growth and its climate signal along latitudinal and altitudinal gradients: comparison of tree rings between Finland and the Tibetan Plateau | |
| Lyu, Lixin; Suvanto, Susanne1; Nojd, Pekka1; Henttonen, Helena M.; Makinen, Harri1; Zhang, Qi-Bin | |
| 2017 | |
| 发表期刊 | BIOGEOSCIENCES
 |
| ISSN | 1726-4170 |
| 卷号 | 14期号:12页码:3083-3095 |
| 摘要 | Latitudinal and altitudinal gradients can be utilized to forecast the impact of climate change on forests. To improve the understanding of how these gradients impact forest dynamics, we tested two hypotheses: (1) the change of the tree growth-climate relationship is similar along both latitudinal and altitudinal gradients, and (2) the time periods during which climate affects growth the most occur later towards higher latitudes and altitudes. To address this, we utilized tree-ring data from a latitudinal gradient in Finland and from two altitudinal gradients on the Tibetan Plateau. We analysed the latitudinal and altitudinal growth patterns in tree rings and investigated the growth-climate relationship of trees by correlating ring-width index chronologies with climate variables, calculating with flexible time windows, and using daily-resolution climate data. High latitude and altitude plots showed higher correlations between tree-ring chronologies and growing season temperature. However, the effects of winter temperature showed contrasting patterns for the gradients. The timing of the highest correlation with temperatures during the growing season at southern sites was approximately 1 month ahead of that at northern sites in the latitudinal gradient. In one out of two altitudinal gradients, the timing for the strongest negative correlation with temperature at low-altitude sites was ahead of treeline sites during the growing season, possibly due to differences in moisture limitation. Mean values and the standard deviation of tree-ring width increased with increasing mean July temperatures on both types of gradients. Our results showed similarities of tree growth responses to increasing seasonal temperature between latitudinal and altitudinal gradients. However, differences in climate-growth relationships were also found between gradients due to differences in other factors such as moisture conditions. Changes in the timing of the most critical climate variables demonstrated the necessity for the use of daily-resolution climate data in environmental gradient studies. |
| 学科领域 | Evolutionary Biology |
| DOI | 10.1111/eva.12436 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS关键词 | SPRUCE PICEA-ABIES ; RADIAL INCREMENT VARIATION ; NORWAY SPRUCE ; SCOTS PINE ; L. KARST. ; NORTHERN-HEMISPHERE ; FROST HARDINESS ; SOUTHERN ; RESPONSES ; TEMPERATURE |
| WOS记录号 | WOS:000394573700001 |
| 出版者 | COPERNICUS GESELLSCHAFT MBH |
| 文献子类 | Article |
| 出版地 | GOTTINGEN |
| EISSN | 1726-4189 |
| 资助机构 | National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31361130339, 31330015, 31300409] ; Academy of FinlandAcademy of Finland [257641, 265504] |
| 作者邮箱 | lixinlv@ibcas.ac.cn ; harri.makinen@luke.fi ; qbzhang@ibcas.ac.cn |
| 作品OA属性 | Green Published, gold |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ibcas.ac.cn/handle/2S10CLM1/22121 |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 2.Aalto Univ, Nat Resources Inst Finland, Biobased Business & Ind, POB 16200, Espoo 00076, Finland 3.Henttonen, Helena M.] Nat Resources Inst Finland, Econ & Soc, POB 2, Helsinki 00791, Finland |
| 推荐引用方式 GB/T 7714 | Lyu, Lixin,Suvanto, Susanne,Nojd, Pekka,et al. Tree growth and its climate signal along latitudinal and altitudinal gradients: comparison of tree rings between Finland and the Tibetan Plateau[J]. BIOGEOSCIENCES,2017,14(12):3083-3095. |
| APA | Lyu, Lixin,Suvanto, Susanne,Nojd, Pekka,Henttonen, Helena M.,Makinen, Harri,&Zhang, Qi-Bin.(2017).Tree growth and its climate signal along latitudinal and altitudinal gradients: comparison of tree rings between Finland and the Tibetan Plateau.BIOGEOSCIENCES,14(12),3083-3095. |
| MLA | Lyu, Lixin,et al."Tree growth and its climate signal along latitudinal and altitudinal gradients: comparison of tree rings between Finland and the Tibetan Plateau".BIOGEOSCIENCES 14.12(2017):3083-3095. |
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