Modelling the growth of young individuals of Pinus nigra on thin carbonate soils under climate change in Hungary

Trájer, Attila János, Bede-Fazekas, Ákos, Hammer, Tamás and Padisák, Judit (2015) Modelling the growth of young individuals of Pinus nigra on thin carbonate soils under climate change in Hungary. Acta Botanica Hungarica, 57 (3-4). pp. 419-442. DOI 10.1556/034.57.2015.3-4.11

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Climate change highly impacts on tree growth and also threatens the forest of the karstic terrains. From the 1980s the frequency of decay events of the Pinus nigra Arnold forests showed a marked increase in Hungary. To understanding the vulnerability of Pinus nigra forests to climate change on shallow karstic soils in continental-sub Mediterranean climatic conditions we developed the study of three sampled population in the typical karstic landscape of Veszprém in North Transdanubia. We built our model on non-invasive approach using the annual growth of the individuals. MPI Echam5 climate model and as aridity index the Thornthwaite Agrometeorological Index were used. Our results indicate that soil thickness up to 11 cm has a major influence on the main growth intensity, however, aridity determines the annual growth rate. Our model results showed that the increasing decay frequency in the last decades was a parallel change to the decreasing growth rate of pines. The climate model predicts the similar, increased decay frequency to the presents. Our results can be valid for a wider areas of the periphery of Mediterranean climate zone while the annual-growth based model is a cost-effective and simple method to study the vitality of pine trees in a given area.

Item Type:Article
Uncontrolled Keywords:climate change, Pinus nigra, soil depth, Thornthwaite Agrometeorological Index aridity
Divisions:Faculty of Landscape Architecture > Department of Garden and Open Space Design
Subjects:Landscape planning, landscape protection, landscape design
Projects:TÁMOP 4.2.2. A-11/1/KONV-2012-0064, TÁMOP 4.2.2B-15/1/KONV-2015-0004, TÁMOP 4.2.1/B-09/1/KMR-2010-0005
ID Code:2105
Deposited By: MTMT SWORD
Deposited On:21 Oct 2015 07:00
Last Modified:21 Oct 2015 07:00

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