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Needle shedding, radial and height growth of Black pine (Pinus nigra arnold) trees, growing on less stressed, dolomite site in Bosnia and Herzegovina
Zaključno poročilo projekta ID:WOOD SEE/D/0227/1.2/X: perioda 1. 10. 2012 - 31. 12. 2014 : clustering knowledge, innovation and design in the SEE WOOD sector
Prvo vmesno poročilo projekta ID:WOOD SEE/D/0227/1.2/X: perioda 28. 9. 2012 - 31. 3. 2013 : clustering knowledge, innovation and design in the SEE WOOD sector
Insignificant effect of management using irregular shelterwood system on the genetic diversity of European beech (Fagus sylvatica L.): A case study of managed stand and old growth forest in Slovenia
Bela knjiga. Smernice za pripravo čezmejne razvojne politike na področju obnovljih virov energije
A 20-Year Overview of Quercus robur L. Mortality and Crown Conditions in Slovenia
Pedunculate oak (Quercus robur L.) forests in Slovenia are experiencing
widespread mortality. Changes in lowlands are reflected in decline of complete forest
complexes, high mortality, uneven stand structure and associated forest regeneration
problems. Prediction of the present-tree response in disturbed forest ecosystems may
significantly contribute to better guideline policies for the silvicultural and forest
management practice in the changing environment in both stressed and stabile forest
ecosystems. Data from annual crown condition surveys for the 1995–2014 period from four
permanent plots have been compared with parameters from hemispherical photo analysis
and hydrometeorological data. Good agreement has been confirmed between crown
defoliation and total openness; all parameters from the hemispherical photo analysis, which
were corrected for winter period values, also indicated a better agreement. Mortality rate and
crown defoliation correlated well with extreme drought events in 2003 and 2013. Pattern of
agreement among compared parameters was different for the plots Krakovski gozd, Dobrava
and some other plots. Mortality is influenced by the average air temperatures much more
than by precipitation and groundwater table oscillations
Pedunculate oak's (Quercus robur L.) conductive elements size dependence on temperature at two Querco-carpinetum sites in Slovenia
The aim of our study is to fully investigate the relationship between mean monthly temperatures and vessel features. Two vital and one declining groups of pedunculate oak from two Querco-Carpinetum sites in Slovenia are analyzed. Chronologies of mean vessel area and sum of vessel area were developed after previous high quality surface preparation and image analysis with macro EWVA in the ImageJ program. Declining group from Cigonca had the biggest average vessel and the largest amount of conductive tissue, which was linked to the dieback of this group. The analysis of temporal stability of correlation coefficients for declining group explained negative correlations, which were not stable in time. All groups were most responsive to the April temperatures. For all groups, climate signal was the strongest in the mean vessel area parameter. For vital group from Mlače we can expect, in the event of continuous rising of mean temperatures, bigger mean vessels that are more likely to be affected by cavitation. Lower ground water table in 1982 at Cigonca coincides with the reduced climate signal in the vessels