Site- and species-specific responses of forest growth to climate across the European continent

Flurin Babst, Benjamin Poulter, Valerie M Trouet, Kun Tan, Burkhard Neuwirth, Robert Wilson, Marco Carrer, Michael Grabner, Willy Tegel, Tom Levanic, Momchil Panayotov, Carlo Urbinati, Olivier Bouriaud, Philippe Ciais, David Frank

Research output: Contribution to journalArticle

169 Citations (Scopus)

Abstract

Aim: To evaluate the climate sensitivity of model-based forest productivity estimates using a continental-scale tree-ring network. Location: Europe and North Africa (30-70°N, 10°W-40°E). Methods: We compiled close to 1000 annually resolved records of radial tree growth for all major European tree species and quantified changes in growth as a function of historical climatic variation. Sites were grouped using a neural network clustering technique to isolate spatiotemporal and species-specific climate response patterns. The resulting empirical climate sensitivities were compared with the sensitivities of net primary production (NPP) estimates derived from the ORCHIDEE-FM and LPJ-wsl dynamic global vegetation models (DGVMs). Results: We found coherent biogeographic patterns in climate response that depend upon (1) phylogenetic controls and (2) ambient environmental conditions delineated by latitudinal/elevational location. Temperature controls dominate forest productivity in high-elevation and high-latitude areas whereas moisture sensitive sites are widespread at low elevation in central and southern Europe. DGVM simulations broadly reproduce the empirical patterns, but show less temperature sensitivity in the boreal zone and stronger precipitation sensitivity towards the mid-latitudes. Main conclusions: Large-scale forest productivity is driven by monthly to seasonal climate controls, but our results emphasize species-specific growth patterns under comparable environmental conditions. Furthermore, we demonstrate that carry-over effects from the previous growing season can significantly influence tree growth, particularly in areas with harsh climatic conditions - an element not considered in most current-state DGVMs. Model-data discrepancies suggest that the simulated climate sensitivity of NPP will need refinement before carbon-cycle climate feedbacks can be accurately quantified.

Original languageEnglish (US)
Pages (from-to)706-717
Number of pages12
JournalGlobal Ecology and Biogeography
Volume22
Issue number6
DOIs
StatePublished - Jun 2013

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forest growth
climate
net primary production
productivity
vegetation
tree growth
primary productivity
environmental conditions
climate feedback
environmental factors
tree ring
carbon cycle
Southern European region
Northern Africa
growth rings
continent
Central European region
neural networks
growing season
temperature

Keywords

  • Climate impacts
  • Dendroclimatology
  • DGVM
  • Forest ecology
  • Forest productivity
  • LPJ
  • NPP
  • ORCHIDEE
  • Terrestrial carbon cycle
  • Tree-ring

ASJC Scopus subject areas

  • Ecology
  • Global and Planetary Change
  • Ecology, Evolution, Behavior and Systematics

Cite this

Site- and species-specific responses of forest growth to climate across the European continent. / Babst, Flurin; Poulter, Benjamin; Trouet, Valerie M; Tan, Kun; Neuwirth, Burkhard; Wilson, Robert; Carrer, Marco; Grabner, Michael; Tegel, Willy; Levanic, Tom; Panayotov, Momchil; Urbinati, Carlo; Bouriaud, Olivier; Ciais, Philippe; Frank, David.

In: Global Ecology and Biogeography, Vol. 22, No. 6, 06.2013, p. 706-717.

Research output: Contribution to journalArticle

Babst, F, Poulter, B, Trouet, VM, Tan, K, Neuwirth, B, Wilson, R, Carrer, M, Grabner, M, Tegel, W, Levanic, T, Panayotov, M, Urbinati, C, Bouriaud, O, Ciais, P & Frank, D 2013, 'Site- and species-specific responses of forest growth to climate across the European continent', Global Ecology and Biogeography, vol. 22, no. 6, pp. 706-717. https://doi.org/10.1111/geb.12023
Babst, Flurin ; Poulter, Benjamin ; Trouet, Valerie M ; Tan, Kun ; Neuwirth, Burkhard ; Wilson, Robert ; Carrer, Marco ; Grabner, Michael ; Tegel, Willy ; Levanic, Tom ; Panayotov, Momchil ; Urbinati, Carlo ; Bouriaud, Olivier ; Ciais, Philippe ; Frank, David. / Site- and species-specific responses of forest growth to climate across the European continent. In: Global Ecology and Biogeography. 2013 ; Vol. 22, No. 6. pp. 706-717.
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AU - Neuwirth, Burkhard

AU - Wilson, Robert

AU - Carrer, Marco

AU - Grabner, Michael

AU - Tegel, Willy

AU - Levanic, Tom

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AB - Aim: To evaluate the climate sensitivity of model-based forest productivity estimates using a continental-scale tree-ring network. Location: Europe and North Africa (30-70°N, 10°W-40°E). Methods: We compiled close to 1000 annually resolved records of radial tree growth for all major European tree species and quantified changes in growth as a function of historical climatic variation. Sites were grouped using a neural network clustering technique to isolate spatiotemporal and species-specific climate response patterns. The resulting empirical climate sensitivities were compared with the sensitivities of net primary production (NPP) estimates derived from the ORCHIDEE-FM and LPJ-wsl dynamic global vegetation models (DGVMs). Results: We found coherent biogeographic patterns in climate response that depend upon (1) phylogenetic controls and (2) ambient environmental conditions delineated by latitudinal/elevational location. Temperature controls dominate forest productivity in high-elevation and high-latitude areas whereas moisture sensitive sites are widespread at low elevation in central and southern Europe. DGVM simulations broadly reproduce the empirical patterns, but show less temperature sensitivity in the boreal zone and stronger precipitation sensitivity towards the mid-latitudes. Main conclusions: Large-scale forest productivity is driven by monthly to seasonal climate controls, but our results emphasize species-specific growth patterns under comparable environmental conditions. Furthermore, we demonstrate that carry-over effects from the previous growing season can significantly influence tree growth, particularly in areas with harsh climatic conditions - an element not considered in most current-state DGVMs. Model-data discrepancies suggest that the simulated climate sensitivity of NPP will need refinement before carbon-cycle climate feedbacks can be accurately quantified.

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