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Article

Impact of Climate, Stand Growth Parameters, and Management on Isotopic Composition of Tree Rings in Chestnut Coppices

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Dipartimento per la Innovazione nei Sistemi Biologici, Università Degli Studi Della Tuscia, Agroalimentari e Forestali (DIBAF) Via San Camillo de Lellis snc, 01100 Viterbo, Italy
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Università Della Campania “L. Vanvitelli”—Dipartimento di Scienze Ambientali Biologiche e Farmaceutiche (DISTABIF), via Vivaldi 43, 81100 Caserta, Italy
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Consiglio per la ricerca in agricoltura e l’analisi dell’economia agraria, Centro di Ricerca Foreste e Legno (CREA-FL), 52100 Arezzo, Italy
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Author to whom correspondence should be addressed.
Forests 2019, 10(12), 1148; https://doi.org/10.3390/f10121148
Received: 2 November 2019 / Revised: 9 December 2019 / Accepted: 12 December 2019 / Published: 16 December 2019
Research Highlights: Chestnut trees’ (Castanea sativa Mill.) growth and their responses to climate are influenced by stand-characteristics and managements. This study highlighted that chestnut tree-ring growth is not particularly influenced by climate, while minimum temperature showed a positive relation with both intrinsic water-use efficiency (WUEi) and δ¹8O. Background and Objectives: The aim is to check the responses of chestnut trees to climate conditions and the role of stand structure and management. Materials and Methods: Stands with 12–14-year-old shoots were studied using dendrochronological and isotopic (δ18O and δ13C) approaches. Correlations with climate parameters were investigated and principal component analysis was performed using site-characteristics and tree growth parameters as variables. Results: Correlations between tree-ring width (TRW), tree-ring δ18O, and δ13C-derived intrinsic water-use efficiency (WUEi) revealed stand-dependent effects. The highest Correlations were found between climate and tree-rings’ isotopic composition. Chestnut was sensitive to high-minimum temperature in March and April, with a negative relationship with TRW and a positive relationship with WUEi. δ18O signals were not significantly different among stands. Stand thinning had a positive effect on WUEi after 1–2 years. Stand competition (indicated by shoots/stump and stumps/ha) positively influenced both WUEi and δ¹8O. View Full-Text
Keywords: tree-ring width; climate change; water-use efficiency; δ13C; δ18O; chestnut tree physiology tree-ring width; climate change; water-use efficiency; δ13C; δ18O; chestnut tree physiology
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MDPI and ACS Style

Marini, F.; Battipaglia, G.; Manetti, M.C.; Corona, P.; Romagnoli, M. Impact of Climate, Stand Growth Parameters, and Management on Isotopic Composition of Tree Rings in Chestnut Coppices. Forests 2019, 10, 1148. https://doi.org/10.3390/f10121148

AMA Style

Marini F, Battipaglia G, Manetti MC, Corona P, Romagnoli M. Impact of Climate, Stand Growth Parameters, and Management on Isotopic Composition of Tree Rings in Chestnut Coppices. Forests. 2019; 10(12):1148. https://doi.org/10.3390/f10121148

Chicago/Turabian Style

Marini, Francesco, Giovanna Battipaglia, Maria C. Manetti, Piermaria Corona, and Manuela Romagnoli. 2019. "Impact of Climate, Stand Growth Parameters, and Management on Isotopic Composition of Tree Rings in Chestnut Coppices" Forests 10, no. 12: 1148. https://doi.org/10.3390/f10121148

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