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Growth and yield of mixed versus pure stands of Scots pine (Pinus sylvestris L.) and European beech (Fagus sylvatica L.) analysed along a productivity gradient through Europe

Hans Pretzsch, M del Río, Ch Ammer, A Avdagic, I Barbeito, K Bielak, G Brazaitis, L Coll, G Dirnberger, L Drössler, et al. (2015) EUROPEAN JOURNAL OF FOREST RESEARCH. 134(5). p.927-947
abstract
Mixing of complementary tree species may increase stand productivity, mitigate the effects of drought and other risks, and pave the way to forest production systems which may be more resource-use efficient and stable in the face of climate change. However, systematic empirical studies on mixing effects are still missing for many commercially important and widespread species combinations. Here we studied the growth of Scots pine (Pinus sylvestris L.) and European beech (Fagus sylvatica L.) in mixed versus pure stands on 32 triplets located along a productivity gradient through Europe, reaching from Sweden to Bulgaria and from Spain to the Ukraine. Stand inventory and taking increment cores on the mainly 60-80 year-old trees and 0.02-1.55 ha sized, fully stocked plots provided insight how species mixing modifies the structure, dynamics and productivity compared with neighbouring pure stands. In mixture standing volume (+12 %), stand density (+20 %), basal area growth (+12 %), and stand volume growth (+8 %) were higher than the weighted mean of the neighbouring pure stands. Scots pine and European beech contributed rather equally to the overyielding and overdensity. In mixed stands mean diameter (+20 %) and height (+6 %) of Scots pine was ahead, while both diameter and height growth of European beech were behind (-8 %). The overyielding and overdensity were independent of the site index, the stand growth and yield, and climatic variables despite the wide variation in precipitation (520-1175 mm year(-1)), mean annual temperature (6-10.5 A degrees C), and the drought index by de Martonne (28-61 mm A degrees C-1) on the sites. Therefore, this species combination is potentially useful for increasing productivity across a wide range of site and climatic conditions. Given the significant overyielding of stand basal area growth but the absence of any relationship with site index and climatic variables, we hypothesize that the overyielding and overdensity results from several different types of interactions (light-, water-, and nutrient-related) that are all important in different circumstances. We discuss the relevance of the results for ecological theory and for the ongoing silvicultural transition from pure to mixed stands and their adaptation to climate change.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
Light interception, Risk distribution, Stress gradient hypothesis, Modulation of growth curves, Overdensity, Overyielding, SPRUCE PICEA-ABIES, LONG-TERM EXPERIMENTS, NORWAY SPRUCE, SPECIES FORESTS, STRUCTURAL COMPLEXITY, TEMPERATE FORESTS, PLANT-COMMUNITIES, MODELING APPROACH, CROWN PLASTICITY, TREE DIVERSITY
journal title
EUROPEAN JOURNAL OF FOREST RESEARCH
Eur. J. For. Res.
volume
134
issue
5
pages
927 - 947
Web of Science type
Article
Web of Science id
000359473300015
JCR category
FORESTRY
JCR impact factor
2.041 (2015)
JCR rank
11/66 (2015)
JCR quartile
1 (2015)
ISSN
1612-4669
DOI
10.1007/s10342-015-0900-4
language
English
UGent publication?
yes
classification
A1
copyright statement
I have retained and own the full copyright for this publication
id
6885079
handle
http://hdl.handle.net/1854/LU-6885079
date created
2015-07-27 10:16:27
date last changed
2017-10-26 08:16:40
@article{6885079,
  abstract     = {Mixing of complementary tree species may increase stand productivity, mitigate the effects of drought and other risks, and pave the way to forest production systems which may be more resource-use efficient and stable in the face of climate change. However, systematic empirical studies on mixing effects are still missing for many commercially important and widespread species combinations. Here we studied the growth of Scots pine (Pinus sylvestris L.) and European beech (Fagus sylvatica L.) in mixed versus pure stands on 32 triplets located along a productivity gradient through Europe, reaching from Sweden to Bulgaria and from Spain to the Ukraine. Stand inventory and taking increment cores on the mainly 60-80 year-old trees and 0.02-1.55 ha sized, fully stocked plots provided insight how species mixing modifies the structure, dynamics and productivity compared with neighbouring pure stands. In mixture standing volume (+12 \%), stand density (+20 \%), basal area growth (+12 \%), and stand volume growth (+8 \%) were higher than the weighted mean of the neighbouring pure stands. Scots pine and European beech contributed rather equally to the overyielding and overdensity. In mixed stands mean diameter (+20 \%) and height (+6 \%) of Scots pine was ahead, while both diameter and height growth of European beech were behind (-8 \%). The overyielding and overdensity were independent of the site index, the stand growth and yield, and climatic variables despite the wide variation in precipitation (520-1175 mm year(-1)), mean annual temperature (6-10.5 A degrees C), and the drought index by de Martonne (28-61 mm A degrees C-1) on the sites. Therefore, this species combination is potentially useful for increasing productivity across a wide range of site and climatic conditions. Given the significant overyielding of stand basal area growth but the absence of any relationship with site index and climatic variables, we hypothesize that the overyielding and overdensity results from several different types of interactions (light-, water-, and nutrient-related) that are all important in different circumstances. We discuss the relevance of the results for ecological theory and for the ongoing silvicultural transition from pure to mixed stands and their adaptation to climate change.},
  author       = {Pretzsch, Hans and del R{\'i}o, M and Ammer, Ch and Avdagic, A and Barbeito, I and Bielak, K and Brazaitis, G and Coll, L and Dirnberger, G and Dr{\"o}ssler, L and Fabrika, M and Forrester, DI and Godvod, K and Heym, M and Hurt, V and Kurylyak, V and L{\"o}f, M and Lombardi, F and Matovi\'{c}, B and Mohren, F and Motta, R and den Ouden, J and Pach, M and Ponette, Q and Sch{\"u}tze, G and Schweig, J and Skrzyszewski, J and Sramek, V and Sterba, H and Stojanovi\'{c}, D and Svoboda, M and Vanhellemont, Margot and Verheyen, Kris and Wellhausen, K and Zlatanov, T and Bravo-Oviedo, A},
  issn         = {1612-4669},
  journal      = {EUROPEAN JOURNAL OF FOREST RESEARCH},
  keyword      = {Light interception,Risk distribution,Stress gradient hypothesis,Modulation of growth curves,Overdensity,Overyielding,SPRUCE PICEA-ABIES,LONG-TERM EXPERIMENTS,NORWAY SPRUCE,SPECIES FORESTS,STRUCTURAL COMPLEXITY,TEMPERATE FORESTS,PLANT-COMMUNITIES,MODELING APPROACH,CROWN PLASTICITY,TREE DIVERSITY},
  language     = {eng},
  number       = {5},
  pages        = {927--947},
  title        = {Growth and yield of mixed versus pure stands of Scots pine (Pinus sylvestris L.) and European beech (Fagus sylvatica L.) analysed along a productivity gradient through Europe},
  url          = {http://dx.doi.org/10.1007/s10342-015-0900-4},
  volume       = {134},
  year         = {2015},
}

Chicago
Pretzsch, Hans, M del Río, Ch Ammer, A Avdagic, I Barbeito, K Bielak, G Brazaitis, et al. 2015. “Growth and Yield of Mixed Versus Pure Stands of Scots Pine (Pinus Sylvestris L.) and European Beech (Fagus Sylvatica L.) Analysed Along a Productivity Gradient Through Europe.” European Journal of Forest Research 134 (5): 927–947.
APA
Pretzsch, Hans, del Río, M., Ammer, C., Avdagic, A., Barbeito, I., Bielak, K., Brazaitis, G., et al. (2015). Growth and yield of mixed versus pure stands of Scots pine (Pinus sylvestris L.) and European beech (Fagus sylvatica L.) analysed along a productivity gradient through Europe. EUROPEAN JOURNAL OF FOREST RESEARCH, 134(5), 927–947.
Vancouver
1.
Pretzsch H, del Río M, Ammer C, Avdagic A, Barbeito I, Bielak K, et al. Growth and yield of mixed versus pure stands of Scots pine (Pinus sylvestris L.) and European beech (Fagus sylvatica L.) analysed along a productivity gradient through Europe. EUROPEAN JOURNAL OF FOREST RESEARCH. 2015;134(5):927–47.
MLA
Pretzsch, Hans, M del Río, Ch Ammer, et al. “Growth and Yield of Mixed Versus Pure Stands of Scots Pine (Pinus Sylvestris L.) and European Beech (Fagus Sylvatica L.) Analysed Along a Productivity Gradient Through Europe.” EUROPEAN JOURNAL OF FOREST RESEARCH 134.5 (2015): 927–947. Print.