Journal of Forest Science, 2014 (vol. 60), issue 9
Modelling and analyzing the surface fire behaviour in Hyrcanian forest of IranOriginal Paper
H. Aghajani, A. Fallah, S. Fazlollah Emadian
J. For. Sci., 2014, 60(9):353-362 | DOI: 10.17221/97/2013-JFS
The purpose of this study was to assess the forest fire behaviour and investigate the impact of different parameters on the spread of surface fire in the Hyrcanian forest of Iran. Surface fire was simulated using mathematical models in Microsoft Visual Basic 6.0 environment during a 30-minute time period. Several parameters that contributed to the speed of surface fire such as slope, wind velocity and litter thickness in the forest floor and various types of forest litter associated with hornbeam (Carpinus betulus L.), Persian ironwood (Parrotia persica C.A.M), beech (Fagus orientalis L.) and maple (Acer velutinum L.)...
Estimation of biomass and carbon storage of tree plantations in northern IranOriginal Paper
R. Ostadhashemi, T. Rostami Shahraji, H. Roehle, S. Mohammadi Limaei
J. For. Sci., 2014, 60(9):363-371 | DOI: 10.17221/55/2014-JFS
To estimate the aboveground biomass and carbon storage in multi-species plantations we used species-specific equations method and three other generic methods. Astara county is located in northern Iran. It has a total area of 1,757 ha. Based on species-specific allometric equations, total aboveground biomass was calculated andvaried between 81.13 and 98.21 t.ha-1 for Acer velutinum, 68.36 and 83.44 t.ha-1 for Quercus castanifolia, 71.88 and 119.22 t.ha-1 for Tilia begonifolia, 56.07 and 61.98 t.ha-1 for Fraxinus excelsior and from 37.92 to 51.34 t.ha-1...
Outlook of logging perspectives in the Czech Republic for the period 2013-2032Original Paper
M. Synek, J. Vašíček, M. Zeman
J. For. Sci., 2014, 60(9):372-381 | DOI: 10.17221/37/2014-JFS
The aim of the submitted work was to analyze the outlook of logging perspectives in the next two decades (2013-2032) for all forests in the territory of the Czech Republic. The analyses made use of the national database of forest management plans and guidelines. For the purpose of these analyses, the forests were divided into commercially exploitable forests and forests commercially exploitable with restrictions. The latter ones included protection forests and the category of special purpose forests, i.e. 31c - forests in the territory of national parks and national nature reserves, and 32a - forests occurring in the first zones of protected landscape...
Comparison of Trypodendron lineatum, T. domesticum and T. laeve (Coleoptera: Curculionidae) flight activity in Central EuropeOriginal Paper
K. Lukášová, J. Holuša
J. For. Sci., 2014, 60(9):382-387 | DOI: 10.17221/60/2014-JFS
The main goal of work was to compare the flight activity of Trypodendron lineatum, T. domesticum and T. laeve in Central Europe. Field trapping experiments were conducted in 70- to 100-year-old Norway spruce stands located at three study sites in the Czech Republic. At each study site five pheromone traps were used. Pheromone-baited, black, window-slot traps (Theysohn, Germany) were used. Traps were placed at log landing areas 10-15 m apart from the nearest forest edge. Each trap was baited with a standard synthetic pheromone lure, XL Ecolure (Fytofarm, Slovakia). Three species of Trypodendron were recorded....
Effects of brassinosteroids on prosperity of Scots pine seedlingsOriginal Paper
O. Nováková, I. Kuneš, J. Gallo, M. Baláš
J. For. Sci., 2014, 60(9):388-393 | DOI: 10.17221/58/2014-JFS
We tested the influence of exogenous application of brassinosteroids (BRs) on survival, growth and biomass production of Scots pine (Pinus sylvestris) seedlings. BRs are natural substances, supposedly having many positive effects on plants such as improving growth, stress tolerance, survival and biomass production. One part of the seedlings was treated with a low concentration of synthetically prepared BRs and the other part was designated as the control without any treatment. Mortality, height and root collar diameter were measured in two subsequent years, the root-to-shoot ratio of biomass volume was determined in autumn 2013. The application...
Results of 20 years old Douglas-fir provenance experiment established on the northern slopes of Rila Mountain in BulgariaOriginal Paper
E.B. Popov
J. For. Sci., 2014, 60(9):394-399 | DOI: 10.17221/14/2014-JFS
The purpose of this study is to facilitate the detection of provenances relevant to the reforestation practice in Bulgaria. Studies were carried out in a Douglas-fir provenance trial plantation established at an altitude of 800 m a.s.l. on the northern slopes of Rila Mountain. To establish the productivity, assess the stands and rank provenances biometric procedures, methods of descriptive statistics and ANOVA were used. The diameter at breast height, average height, dominant height, total growing stock volume, assortment timber structure and survival of trees were analyzed in the stands of 55 Douglas-fir provenances. The provenances were characterized...