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| DOI | 10.1007/s00484-024-02706-5 |
| Physiological meaning of bimodal tree growth-climate response patterns | |
| 发表日期 | 2024 |
| ISSN | 0020-7128 |
| EISSN | 1432-1254 |
| 英文摘要 | Correlation coefficients are widely used to identify and quantify climate signals in proxy archives. Significant relationships between tree-ring chronologies and meteorological measurements are typically applied by dendroclimatologists to distinguish between more or less relevant climate variation for ring formation. While insignificant growth-climate correlations are usually found with cold season months, we argue that weak relationships with high summer temperatures not necessarily disprove their importance for xylogenesis. Here, we use maximum latewood density records from ten treeline sites between northern Scandinavia and southern Spain to demonstrate how monthly growth-climate correlations change from narrow unimodal to wide bimodal seasons when vegetation periods become longer and warmer. Statistically meaningful relationships occur when minimum temperatures exceed 'biological zero' at around 5 degrees C. We conclude that the absence of evidence for statistical significance between tree growth and the warmest summer temperatures at Mediterranean sites is no evidence of absence for the physiological importance of high summer temperatures for ring formation. Since correlation should never be confused with causation, statistical values require mechanistic understanding, and different interpretations are needed for insignificant correlations within and outside the growing season. |
| 英文关键词 | Climate change; Dendrochronology; Global warming; Forest ecology; Tree rings |
| 语种 | 英语 |
| WOS研究方向 | Biophysics ; Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences ; Physiology |
| WOS类目 | Biophysics ; Environmental Sciences ; Meteorology & Atmospheric Sciences ; Physiology |
| WOS记录号 | WOS:001236072700001 |
| 来源期刊 | INTERNATIONAL JOURNAL OF BIOMETEOROLOGY
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/293407 |
| 作者单位 | University of Cambridge; Czech Academy of Sciences; Global Change Research Centre of the Czech Academy of Sciences; Masaryk University Brno; Johannes Gutenberg University of Mainz |
| 推荐引用方式 GB/T 7714 | . Physiological meaning of bimodal tree growth-climate response patterns[J],2024. |
| APA | (2024).Physiological meaning of bimodal tree growth-climate response patterns.INTERNATIONAL JOURNAL OF BIOMETEOROLOGY. |
| MLA | "Physiological meaning of bimodal tree growth-climate response patterns".INTERNATIONAL JOURNAL OF BIOMETEOROLOGY (2024). |
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