Tree growth-climate relationships in a forest-plot network on Mediterranean mountains

Nikolaos M. Fyllas, Anastasia Christopoulou, Alexandros Galanidis, Chrysanthi Z. Michelaki, Panayiotis G. Dimitrakopoulos, Peter Z Fule, Margarita Arianoutsou

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In this study we analysed a novel tree-growth dataset, inferred from annual ring-width measurements, of 7 forest tree species from 12 mountain regions in Greece, in order to identify tree growth – climate relationships. The tree species of interest were: Abies cephalonica, Abies borisii-regis, Picea abies, Pinus nigra, Pinus sylvestris, Fagus sylvatica and Quercus frainetto growing across a gradient of climate conditions with mean annual temperature ranging from 5.7 to 12.6 °C and total annual precipitation from 500 to 950 mm. In total, 344 tree cores (one per tree) were analysed across a network of 20 study sites. We found that water availability during the summer period (May–August) was a strong predictor of interannual variation in tree growth for all study species. Across species and sites, annual tree growth was positively related to summer season precipitation (PSP). The responsiveness of annual growth to PSP was tightly related to species and site specific measurements of instantaneous photosynthetic water use efficiency (WUE), suggesting that the growth of species with efficient water use is more responsive to variations in precipitation during the dry months of the year. Our findings support the importance of water availability for the growth of mountainous Mediterranean tree species and highlight that future reductions in precipitation are likely to lead to reduced tree-growth under climate change conditions.

Original languageEnglish (US)
Pages (from-to)393-403
Number of pages11
JournalScience of the Total Environment
Volume598
DOIs
StatePublished - Nov 15 2017

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mountain
climate
Water
water availability
Availability
Climate change
mountain region
summer
climate conditions
water use efficiency
annual variation
water use
climate change
Temperature
temperature

Keywords

  • Climate change
  • Dendroecology
  • Latitudinal gradient
  • Tree-rings
  • Water availability
  • Water use efficiency

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

Cite this

Fyllas, N. M., Christopoulou, A., Galanidis, A., Michelaki, C. Z., Dimitrakopoulos, P. G., Fule, P. Z., & Arianoutsou, M. (2017). Tree growth-climate relationships in a forest-plot network on Mediterranean mountains. Science of the Total Environment, 598, 393-403. https://doi.org/10.1016/j.scitotenv.2017.04.145

Tree growth-climate relationships in a forest-plot network on Mediterranean mountains. / Fyllas, Nikolaos M.; Christopoulou, Anastasia; Galanidis, Alexandros; Michelaki, Chrysanthi Z.; Dimitrakopoulos, Panayiotis G.; Fule, Peter Z; Arianoutsou, Margarita.

In: Science of the Total Environment, Vol. 598, 15.11.2017, p. 393-403.

Research output: Contribution to journalArticle

Fyllas, NM, Christopoulou, A, Galanidis, A, Michelaki, CZ, Dimitrakopoulos, PG, Fule, PZ & Arianoutsou, M 2017, 'Tree growth-climate relationships in a forest-plot network on Mediterranean mountains', Science of the Total Environment, vol. 598, pp. 393-403. https://doi.org/10.1016/j.scitotenv.2017.04.145
Fyllas, Nikolaos M. ; Christopoulou, Anastasia ; Galanidis, Alexandros ; Michelaki, Chrysanthi Z. ; Dimitrakopoulos, Panayiotis G. ; Fule, Peter Z ; Arianoutsou, Margarita. / Tree growth-climate relationships in a forest-plot network on Mediterranean mountains. In: Science of the Total Environment. 2017 ; Vol. 598. pp. 393-403.
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