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- Title
Influence of soil temperature on growth traits of European beech seedlings.
- Authors
Štraus, Ines; Mrak, Tanja; Ferlan, Mitja; Železnik, Peter; Kraigher, Hojka
- Abstract
European beech ( Fagus sylvatica L.) is an economically and ecologically important forest tree species in Europe. Expected future temperature increases due to global climate change may significantly affect growth of beech trees and consequently influence carbon cycling in beech forests. We tested the hypothesis that soil temperature influences the growth of both belowground and aboveground parts of beech seedlings. One-year-old seedlings were transferred into rhizotrons and subjected to two different soil temperatures for 2 years while the soil moisture level was kept constant. The main effect of the soil temperature was a changed biomass of the woody part of the seedlings. Soil temperature significantly influenced the biomass of shoots and roots and diameter of the stem, which were the highest for the seedlings grown in conditions of soil temperatures maintained in the range of summer soil temperatures from the site of origin of the seedlings. Increased soil temperature also resulted in increased specific root length and specific root tip density. Root-to-shoot ratio and leaf parameters (leaf mass, number of leaves, and specific leaf area), except for leaf area ratio, were not influenced by soil temperature.
- Subjects
EUROPEAN beech; SOIL temperature; SEEDLINGS; CLIMATE change; SOIL heating
- Publication
Canadian Journal of Forest Research, 2015, Vol 45, Issue 3, p246
- ISSN
0045-5067
- Publication type
Article
- DOI
10.1139/cjfr-2014-0332