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Growth of Norway spruce (Picea abies [L.] Karsten) from artificial and natural regeneration in the Krkonoše Mts. and air temperature variability

Author

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  • K. Matějka

    (IDS, Prague)

  • J. Leugner

    (Forestry and Game Management Research Institute, Jíloviště-Strnady (Prague), Opočno Research Station, Opočno, Czech Republic)

Abstract

Our research was concerned with a description of the influence of variability in average temperatures on the height growth of selected young populations of spruce in the Krkonoše Mts. Several populations of spruce were evaluated while the majority of them originated by natural regeneration on plots under disturbance of the original tree layer. In addition, several planted spruce populations in similar environmental conditions were also evaluated. The main questions of this study are as follows: is there a difference in height growth between populations of natural and artificial origin? Is it possible to find a relationship between height growth and climate feature during the last several years? The growth of young spruce populations that originated by natural regeneration was different from the growth of the planted populations. The average air temperature in the growing period, estimated as average temperature during the months of May to August, was proved to have a significant influence on year-on-year variability in spruce growth. Based on this finding, it was possible to estimate an increase in the height increment of young spruce caused by warming up since the mid-70s of the 20th century to equal approximately 16% per decade in the spruce altitudinal zone in the Krkonoše Mts.

Suggested Citation

  • K. Matějka & J. Leugner, 2013. "Growth of Norway spruce (Picea abies [L.] Karsten) from artificial and natural regeneration in the Krkonoše Mts. and air temperature variability," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 59(4), pages 150-158.
    • Handle: RePEc:caa:jnljfs:v:59:y:2013:i:4:id:25-2012-jfs
    DOI: 10.17221/25/2012-JFS
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    References listed on IDEAS

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    1. Kessler, Michael & Böhner, Jürgen & Kluge, Jürgen, 2007. "Modelling tree height to assess climatic conditions at tree lines in the Bolivian Andes," Ecological Modelling, Elsevier, vol. 207(2), pages 223-233.
    2. A. Jurásek & J. Leugner & J. Martincová, 2009. "Effect of initial height of seedlings on the growth of planting material of Norway spruce (Picea abies [L.] Karst.) in mountain conditions," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 55(3), pages 112-118.
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