Pauline Oker-Blom. (1986). Photosynthetic radiation regime and canopy structure in modeled forest stands. Acta Forestalia Fennica no. 197 article id 7643. https://doi.org/10.14214/aff.7643

Keywords: spatial variation; radiation models; penumbra; grouping effect; photosynthetic radiation

Abstract | View details | Full text in PDF | Author Info

The relationship between canopy structure and photosynthetic radiation regime are studied in a theoretical basis. In modelling the canopy structure, a statistical approach is applied and the radiation field inside a stand is described in terms of random variables and their distribution. A comparison is made between horizontally homogenous stands and grouped forest stands in order to assess the influence of grouping of foliage on the irradiance distribution in a forest stand. Results show that grouping considerably reduces the interception of radiation and causes a large spatial variation. In coniferous stands the grouping of needles into shoots and the effect of penumbra are shown to have an important influence on the distribution of radiation on the needle area.

The PDF includes a summary in Finnish.

Oker-Blom, E-mail: po@mm.unknown

Click this link to register to Silva Fennica.

If you are a registered user, log in to save your selected articles for later access.

Contents alert

Your selected articles
Send to email

Palander T., Turunen K. et al. (2003) Attitude of Finnish timber buyers towards implem.. Silva Fennica vol. 37 no. 2 article id 506 (remove) | Edit comment

Wallenius T., (2002) Forest age distribution and traces of past fires.. Silva Fennica vol. 36 no. 1 article id 558 (remove) | Edit comment

Kokkonen P., (1934) Conditions of forestry in land plots formed in t.. Acta Forestalia Fennica vol. 40 no. 28 article id 7305 (remove) | Edit comment

Luukkanen O., Johansson S. (1980) Flower induction by exogenous plant hormones in .. Silva Fennica vol. 14 no. 1 article id 5070 (remove) | Edit comment

Vesterinen E., (1934) The participation of troops in silvicultural work Acta Forestalia Fennica vol. 40 no. 4 article id 7281 (remove) | Edit comment

Hökkä H., Uusitalo J. et al. (2016) Performance of weather parameters in predicting .. Silva Fennica vol. 50 no. 4 article id 1687 (remove) | Edit comment

Uotila A., (1990) Infection of pruning wounds in Scots pine by Pha.. Acta Forestalia Fennica vol. 0 no. 215 article id 7662 (remove) | Edit comment

Mälkönen E., Finnish Society of Forest Science . (1984) The role of forestry research in providing a sci.. Silva Fennica vol. 18 no. 4 article id 5223 (remove) | Edit comment

Lovén L., (1973) Landscape preferences of professional foresters Silva Fennica vol. 7 no. 1 article id 4875 (remove) | Edit comment

Tikka P. S., (1929) Growth and success of exotic tree species in a p.. Acta Forestalia Fennica vol. 35 no. 2 article id 7257 (remove) | Edit comment

Halinen M., (1985) The effect of the growth rate of young Scots pin.. Silva Fennica vol. 19 no. 4 article id 5251 (remove) | Edit comment

Kang H., Ekberg I. et al. (1994) Second and third growth period responses of Pice.. Silva Fennica vol. 28 no. 4 article id 5534 (remove) | Edit comment

Saari E., (1940) Evaluation of large forest areas Silva Fennica vol. no. 55 article id 4575 (remove) | Edit comment

Alho P., (1968) Utilization of forests in north Ostrobothnia and.. Acta Forestalia Fennica vol. 0 no. 89 article id 7189 (remove) | Edit comment

Pukkala T., (1988) Effect of spatial distribution of trees on the v.. Silva Fennica vol. 22 no. 1 article id 5338 (remove) | Edit comment

Follow @SilvaFennica