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| DOI | 10.3390/f15010167 |
| Tracheids vs. Tree Rings as Proxies for Dendroclimatic Reconstruction at High Altitude: The Case of Pinus sibirica Du Tour | |
| 发表日期 | 2024 |
| EISSN | 1999-4907 |
| 起始页码 | 15 |
| 结束页码 | 1 |
| 卷号 | 15期号:1 |
| 英文摘要 | Siberian pine (Pinus sibirica Du Tour) is a widespread and long-lived species in the northern hemisphere, which makes it a good potential proxy for climatic data. However, the tree-ring growth of this species weakly correlates with climatic conditions, which prevents its use in dendroclimatic reconstruction. It was proposed to use the measurements of tracheid characteristics as model predictors to reconstruct the smoothed temperature of the key periods in tree growth. In this study, algorithms for preprocessing tracheids and temperature data, as well as for model cross-validation, were developed to produce reliable high-resolution (weekly-based) temperature reconstructions. Due to the developed algorithms, the key time periods of Siberian pine growth were identified during the growing season-early June (most active cell development) and mid-July (setting new buds for the next growing season). For these time periods, reliable long-term temperature reconstructions (R-2 > 0.6, p < 10(-8)) were obtained over 1653-2018. The temperature reconstructions significantly correlated (p < 10(-8)) with independent reanalysis data for the 19th century. The developed approach, based on preprocessing tracheid and temperature data, shows new potential for Siberian pine in high-resolution climate reconstructions and can be applied to other tree species that weakly respond to climate forcing. |
| 英文关键词 | wood anatomy; cell measurements; radial cell diameter; cell wall thickness; tracheidograms; tree-ring response; poorly sensitive to climate; temperature reconstruction |
| 语种 | 英语 |
| WOS研究方向 | Forestry |
| WOS类目 | Forestry |
| WOS记录号 | WOS:001151945400001 |
| 来源期刊 | FORESTS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/297005 |
| 作者单位 | Siberian Federal University; Nanjing University; Siberian Federal University; Russian Academy of Sciences; Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences; Sukachev Institute of Forest, Siberian Branch, Russian Academy of Sciences |
| 推荐引用方式 GB/T 7714 | . Tracheids vs. Tree Rings as Proxies for Dendroclimatic Reconstruction at High Altitude: The Case of Pinus sibirica Du Tour[J],2024,15(1). |
| APA | (2024).Tracheids vs. Tree Rings as Proxies for Dendroclimatic Reconstruction at High Altitude: The Case of Pinus sibirica Du Tour.FORESTS,15(1). |
| MLA | "Tracheids vs. Tree Rings as Proxies for Dendroclimatic Reconstruction at High Altitude: The Case of Pinus sibirica Du Tour".FORESTS 15.1(2024). |
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