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Battipaglia G, Kabala JP, Pacheco-Solana A, Niccoli F, Bräuning A, Campelo F, Cufar K, de Luis M, De Micco V, Klisz M, Koprowski M, Garcia-Gonzalez I, Nabais C, Vieira J, Wrzesiński P, Zafirov N, Cherubini P. Intra-annual density fluctuations in tree rings are proxies of air temperature across Europe. Sci Rep 2023; 13:12294. [PMID: 37516810 PMCID: PMC10387074 DOI: 10.1038/s41598-023-39610-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 07/27/2023] [Indexed: 07/31/2023] Open
Abstract
Intra-Annual Density Fluctuations (IADFs) are an important wood functional trait that determine trees' ability to adapt to climatic changes. Here, we use a large tree-ring database of 11 species from 89 sites across eight European countries, covering a climatic gradient from the Mediterranean to northern Europe, to analyze how climate variations drive IADF formation. We found that IADF occurrence increases nonlinearly with ring width in both gymnosperms and angiosperms and decreases with altitude and age. Recently recorded higher mean annual temperatures facilitate the formation of IADFs in almost all the studied species. Precipitation plays a significant role in inducing IADFs in species that exhibit drought tolerance capability, and a growth pattern known as bimodal growth. Our findings suggest that species with bimodal growth patterns growing in western and southern Europe will form IADFs more frequently, as an adaptation to increasing temperatures and droughts.
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Affiliation(s)
- G Battipaglia
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania 'L. Vanvitelli', Via Vivaldi 43, 81100, Caserta, Italy.
| | - J P Kabala
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania 'L. Vanvitelli', Via Vivaldi 43, 81100, Caserta, Italy
| | - A Pacheco-Solana
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania 'L. Vanvitelli', Via Vivaldi 43, 81100, Caserta, Italy
- The Earth Institute, Tree-Ring Laboratory, Lamont-Doherty Earth Observatory of Columbia University, New York, 10964, USA
| | - F Niccoli
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania 'L. Vanvitelli', Via Vivaldi 43, 81100, Caserta, Italy
| | - A Bräuning
- Institute of Geography, Friedirich-Alexander University Erlangen-Nürnberg, Wetterkreuz 15, 91058, 91054, Erlangen, Bavaria, Germany
| | - F Campelo
- Department of Life Sciences, Centre for Functional Ecology, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - K Cufar
- Department of Wood Science and Technology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva Ulica 101, 1000, Ljubljana, Slovenia
| | - M de Luis
- Department of Geography and Regional Planning. Environmental Sciences Institute (IUCA), University of Zaragoza, Calle Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - V De Micco
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055, Portici, Italy
| | - M Klisz
- Dendrolab IBL, Department of Silviculture and Forest Tree Genetics, Forest Research Institute, Braci Leśnej 3, Sękocin Stary, 05-090, Raszyn, Poland
| | - M Koprowski
- Department of Ecology and Biogeography, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Ul. Lwowska 1, 87-100, Torun, Poland
| | - I Garcia-Gonzalez
- BIOAPLIC, Departamento de Botánica, EPSE, Universidade de Santiago de Compostela, Campus Terra, 27002, Lugo, Spain
| | - C Nabais
- Department of Life Sciences, Centre for Functional Ecology, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - J Vieira
- Department of Life Sciences, Centre for Functional Ecology, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
- ForestWISE, Collaborative Laboratory for Integrated Forest and Fire Management, Quinta de Prados, 5001-801, Vila Real, Portugal
| | - P Wrzesiński
- Dendrolab IBL, Department of Silviculture and Forest Tree Genetics, Forest Research Institute, Braci Leśnej 3, Sękocin Stary, 05-090, Raszyn, Poland
| | - N Zafirov
- Department of Plant Pathology and Chemistry, University of Forestry, Sofia, Bulgaria
| | - P Cherubini
- Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, 8903, Birmensdorf, Switzerland
- Department of Forest and Conservation Sciences, Faculty of Forestry, University of British Columbia, 2004-2424 Main Mall, Vancouver, BC, V6T 1Z4, Canada
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