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eKonferencije.com: DETERMINATION OF LIGHT REGIME WITH HEMISPHERICAL PHOTOGRAPHS IN MIXED FORESTS OF BEECH AND FIR WITH SPRUCE (Piceo-Abieti-Fagetum illyricum) IN THE AREA OF VITOROGA

DETERMINATION OF LIGHT REGIME WITH HEMISPHERICAL PHOTOGRAPHS IN MIXED FORESTS OF BEECH AND FIR WITH SPRUCE (Piceo-Abieti-Fagetum illyricum) IN THE AREA OF VITOROGA

1. Mirko Šebez, Republic of Srpska, Bosnia and Herzegovina
2. Zoran Govedar, Шумарски факултет Бања Лука , Republic of Srpska, Bosnia and Herzegovina
3. Milun Krstić, Serbia
4. Srđan Keren, Poland
5. Violeta Babić, Serbia
6. Branko Kanjevac, Serbia

Abstract: On the territory of the Republic of Srpska mixed forests of beech and fir with spruce are the most important economically. Depending on the altitude zone distribution they occur in a mixture of beech and fir, beech and fir with spruce and spruce and fir forests. This study focused on the determination of light regime in mixed forests of beech and fir with spruce (Piceo-Abieti-Fagetum illyricum, Čolić 1965) located on the mountain Vitoroga. Thereby, the hemispherical photographs were analyzed by using software program Gap Light Analyzer 2.0. The research included nine stands that were located at elevations of 1332 to 1591 meters. Geological base was composed of limestone and dolomite on which deep soil types such as calcomelanosol, calcocambisol and luvisol developed. The research area is characterized with humid mountain climate for which large amounts of rainfall and cold winters with long-lying snow are typical. The results on direct, diffuse and total transmitted light, as well as leaf area index and canopy closure were obtained. The data were modeled by using regression and correlation analyses. Mean values of canopy closure amount to 0.80 to 0.88 and leaf area index 1.69 to 2.73. On the same plots, mean values of direct light ranged between 15.13% to 26.02% and diffuse light from 18.92% to 27.86%.

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Тематска област: Узгајање шума

Датум: 26.06.2017.

Šumarska nauka u funkciji održivog razvoja šumarstva
25 godina šumarstva Republike Srpske


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