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Beyond maximum density: multi-parameter insights into Scots pine climate sensitivity
,
Frederick Reinig ,
Edurne Martinez Del Castillo ,
Max C A Torbenson ,
Oliver Konter,
Rob Wilson ,
Paul J Krusic ,
Neil Loader ,
Hakan Grudd ,
Emily Reid ,
Kayleigh Letherbarrow ,
Jan Esper
Trees, Volume: 39, Issue: 5, Start page: 101
Swansea University Author:
Neil Loader
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© The Author(s) 2025. This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
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DOI (Published version): 10.1007/s00468-025-02681-3
Abstract
As one of Eurasia's most widely distributed conifer species, Pinus sylvestris L. is frequently used in dendroclimatological reconstructions based on tree-ring width (TRW) and maximum latewood density (MXD). However, the climatic signals of additional parameters such as earlywood/latewood densit...
| Published in: | Trees |
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| ISSN: | 0931-1890 1432-2285 |
| Published: |
Springer Nature
2025
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa70569 |
| Abstract: |
As one of Eurasia's most widely distributed conifer species, Pinus sylvestris L. is frequently used in dendroclimatological reconstructions based on tree-ring width (TRW) and maximum latewood density (MXD). However, the climatic signals of additional parameters such as earlywood/latewood density (EWD/LWD) or minimum density (MND) are often overlooked, leaving their skill unexplored. Here, we investigate the growth responses of multiple P. sylvestris tree-ring parameters to ongoing climate change at two sites with contrasting climatic conditions using well-replicated density data from Scotland and Sweden. Correlations with mean, minimum, and maximum temperatures are strongest for LWD and MXD at both sites, with coefficients ranging from 0.5 to 0.7 for July, August, and the June–August season (p < 0.05). A significant (p < 0.05) negative correlation between MND and July temperatures was identified in the Swedish Torneträsk (TOR) data (p < 0.05), which diminished since the late twentieth century. A comparable inverse MND temperature signal and change into the twenty-first century is not reflected in northern Scotland’s overall wetter and warmer site, suggesting a fundamental physiological change in tree-ring formation under global warming. A shift in the sensitivity of tree growth at northern European sites could reduce the effectiveness of proxies from such locations, posing implications for high-resolution climate reconstructions. |
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| Keywords: |
Wood density; X-ray densitometry; Pinus sylvestris; Climate change; Scotland; Sweden |
| College: |
Faculty of Science and Engineering |
| Funders: |
Open Access funding enabled and organized by Projekt DEAL. Supported by the ERC Advanced Grant “Monostar” (AdG 8822727). MCAT and JE received funding from the Czech Science Foundation grant HYDRO8 (23-08049S) and the co-funded EU project AdAgriF (# CZ.02.01.01/00/22_008/0004635). NJL was supported by UKRI grant EP/X025098/1. |
| Issue: |
5 |
| Start Page: |
101 |