Full text of this article is only available in PDF format.

Timo Saksa (email), Juha Heiskanen, Jari Miina, Jaakko Tuomola, Taneli Kolström

Multilevel modelling of height growth in young Norway spruce plantations in southern Finland

Saksa T., Heiskanen J., Miina J., Tuomola J., Kolström T. (2005). Multilevel modelling of height growth in young Norway spruce plantations in southern Finland. Silva Fennica vol. 39 no. 1 article id 403. https://doi.org/10.14214/sf.403

Abstract

Height development of Norway spruce (Picea abies (L.) Karst.) transplants was studied on 22 sites prepared by disc trenching or mounding. At the age of 4–9 years the plantations were surveyed using a multistage sampling design. For every planted spruce on a plot, the past annual height increments were measured as far into the past as possible. Multilevel mixed linear modelling was used to analyse the variation in growth at different levels (year, stand, cluster, plot, tree) and the effects of climatic and site characteristics on height growth. The within-plantation variation in height growth was higher on mounded sites than on disc-trenched sites. The mean temperature and the precipitation sum of the summer months affected height growth positively. Soil characteristics measured from undisturbed soil did not explain the height growth of seedlings on mounded sites, whereas on disc-trenched sites, the depth of the organic layer and the soil temperature had a positive effect and the depth of the eluvial horizon a negative effect. The modelling approach used proved to be a useful method for examining the sources of variation in development of young plantations.

Keywords
Norway spruce; Picea abies; height growth; mounding; disc trenching; container seedlings; intra-level correlation; variance-component model

Author Info
  • Saksa, The Finnish Forest Institute, Suonenjoki Research Station, FI-77600 Suonenjoki, Finland E-mail ts@nn.fi (email)
  • Heiskanen, The Finnish Forest Institute, Suonenjoki Research Station, FI-77600 Suonenjoki, Finland E-mail jh@nn.fi
  • Miina, The Finnish Forest Institute, Joensuu Research Centre, P. O. Box 68, FI-80101 Joensuu, Finland E-mail jm@nn.fi
  • Tuomola, The University of Joensuu, Mekrijärvi Research Station, FI-82900 Ilomantsi, Finland E-mail jt@nn.fi
  • Kolström, The University of Joensuu, Mekrijärvi Research Station, FI-82900 Ilomantsi, Finland E-mail tk@nn.fi

Received 10 December 2003 Accepted 28 December 2004 Published 31 December 2005

Views 4657

Available at https://doi.org/10.14214/sf.403 | Download PDF

Creative Commons License CC BY-SA 4.0

Register
Click this link to register to Silva Fennica.
Log in
If you are a registered user, log in to save your selected articles for later access.
Contents alert
Sign up to receive alerts of new content

Your selected articles
Your search results
Kolström T., Kellomäki S. (1993) Tree survival in wildfires. Silva Fennica vol. 27 no. 4 article id 5521
Pukkala T., Karsikko J. et al. (1992) A spatial model for the diameter of thickest bra.. Silva Fennica vol. 26 no. 4 article id 5490
Kellomäki S., Hänninen H. et al. (1992) A simulation model for the succession of the bor.. Silva Fennica vol. 26 no. 1 article id 5468
Pukkala T., Kolström T. (1991) Effect of spatial pattern of trees on the growth.. Silva Fennica vol. 25 no. 3 article id 5449
Kolström T., (1991) Results from the sowing and planting experiment .. Silva Fennica vol. 25 no. 2 article id 5445
Kellomäki S., Kolström T. et al. (1989) Simulations on the occurrence of dead trees in n.. Silva Fennica vol. 23 no. 3 article id 5382
Kellomäki S., Hänninen H. et al. (1988) Model computations on the impacts of the climati.. Silva Fennica vol. 22 no. 4 article id 5362
Pukkala T., Kolström T. (1987) Competition indices and the prediction of radial.. Silva Fennica vol. 21 no. 1 article id 5306
Kellomäki S., Hänninen H. et al. (1987) A tentative model for describing the effects of .. Silva Fennica vol. 21 no. 1 article id 5302
Lindholm M., Lehtonen H. et al. (2000) Climatic signals extracted from ring-width chron.. Silva Fennica vol. 34 no. 4 article id 616
Saksa T., Heiskanen J. et al. (2005) Multilevel modelling of height growth in young N.. Silva Fennica vol. 39 no. 1 article id 403