Search Results - "Zečić, Željko"

Skidding operations in thinning and shelterwood cut of mixed stands – Work productivity, energy inputs and emissions by Vusić, Dinko, Šušnjar, Marijan, Marchi, Enrico, Spina, Raffaello, Zečić, Željko, Picchio, Rodolfo

“…•Logging activities with mini skidder in regeneration cut and thinning were performed.•Productivities, energy consumption and pollutant emissions in skidding…”
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Variability of Normative Properties of Wood Chips and Implications to Quality Control by Vusić, Dinko, Vujanić, Filip, Pešić, Karlo, Šafran, Branimir, Jurišić, Vanja, Zečić, Željko

“…The research was conducted with the goal to determine the variability of the quality parameters of the wood chips produced from the most favorable raw material…”
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Damage to Residual Trees in Thinning of Broadleaf Stand by Mechanised Harvesting System by Branko Ursić, Dinko Vusić, Ivica Papa, Tomislav Poršinsky, Željko Zečić, Andreja Đuka

“…This research was conducted to determine the cause, intensity and location of damage (stem, butt end, root collar, root) and the extent of damage to standing…”
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Exhaust Gases from Skidder ECOTRAC 140 V Diesel Engine by Hrvoje Kopseak, Zdravko Pandur, Marin Bačić, Željko Zečić, Hrvoje Nevečerel, Kruno Lepoglavec, Marijan Šušnjar

“…During forest harvesting operations, exhaust emissions from forest vehicles are released at different levels depending on several variables. This pollution…”
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Biomass Yield and Fuel Properties of Different Poplar SRC Clones by Vusić, Dinko, Kajba, Davorin, Andrić, Ivan, Gavran, Ivan, Tomić, Tin, Plišo Vusić, Ivana, Zečić, Željko

“…The goal of the research was to determine the biomass yield and fuel properties of ten different poplar clones. The research was conducted in an experimental…”
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Morphological characteristics and productivity of skidder ECOTRAC 120V by Dubravko Horvat, Željko Zečić, Marijan Šušnjar

“…This paper presents the results of morphological analysis of the Croatian skidder ECOTRAC 120V, as well as the research of its productivity features in timber…”
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Aboveground Biomass of Silver Fir, European Larch and Black Pine by Željko Zečić, Dinko Vusić, Zoran Štimac, Matija Cvekan, Ante Šimić

“…This paper presents the research of abovegroud biomass of silver fir, European larch and black pine trees. The results are presented as oven-dry mass of stem…”
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Influence of Load Volume on Productivity of Skidding Euro-American Poplar Stems with Tractor Timberjack 240C in Lowland Forests by Željko Zečić, Dinko Vusić, Hrvoje Nevečerel, Mladen Mikulin

“…This paper presents the results of research of Timberjack 240C tractor equipped with double-drum winch Adler HY16 in tree-length skidding method. The research…”
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Characteristics and Share of European Beech False Heartwood in Felling Sites of Central Croatia by Željko Zečić, Ante P. B. Krpan, Dinko Vusić, Marinko Prka

“…False heartwood, as the phenomenon considerably affecting the quality of beech logs and trees, has been the object of professional and scientific interest for…”
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Mathematical models for optimization of group work in harvesting operation by Željko Zečić, Jurij Marenče

“…This paper research of productivity and work organization were investigated of a group made of five workers (two cutters, two tractor drivers and one…”
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Optimiziranje sustava pridobivanja drva skupnim radom u prorednim sječinama grđevačke Bilogore by Zečić, Željko

“…In wood harvesting, teamwork was for the first time implemented in the area of the Bjelovar Forest Administration in 1979. The paper presents the research of…”
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Influence of Load Volume on Productivity of Skidding Euro-American Poplar Stems with Tractor Timberjack 240C in Lowland Forests by Željko Zečić, Dinko Vusić, Hrvoje Nevečerel, Mladen Mikulin

“…This paper presents the results of research of Timberjack 240C tractor equipped with double-drum winch Adler HY16 in tree-length skidding method. The research…”
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Aboveground Biomass of Silver Fir, European Larch and Black Pine by Željko Zečić, Dinko Vusić, Zoran Štimac, Matija Cvekan, Ante Šimić

“…This paper presents the research of abovegroud biomass of silver fir, European larch and black pine trees. The results are presented as oven-dry mass of stem…”
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Morphological characteristics and productivity of skidder ECOTRAC 120V by Dubravko Horvat, Željko Zečić, Marijan Šušnjar

“…This paper presents the results of morphological analysis of the Croatian skidder ECOTRAC 120V, as well as the research of its productivity features in timber…”
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Productivity of C Holder 870 F tractor with double drum winch Igland 4002 in thinning beech stands by Željko Zečić, Ante P. B. Krpan, Stjepan Vukušić

“…Research of productivity of C Holder 870 F tractor in thinning beech stands was performed in the area of Forest Administration Bjelovar, Forest Office Velika…”
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Productivity of C Holder 870 F tractor with double drum winch Igland 4002 in thinning beech stands by Željko Zečić, Ante P. B. Krpan, Stjepan Vukušić

“…Research of productivity of C Holder 870 F tractor in thinning beech stands was performed in the area of Forest Administration Bjelovar, Forest Office Velika…”
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Optimiziranje sustava pridobivanja drva skupnim radom u prorednim sječinama grđevačke Bilogore by Zečić, Željko

“…Skupni rad u pridobivanju drva prvi je put primij enjen na području UŠPa Bjelovar 1979. godine. Rad prikazuje istraživanja skupine radnika pri sječi, izradi,…”
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Wood dust exposure in wood industry and forestry by Puntarić, Dinko, Kos, Ankica, Smit, Zdenko, Zecić, Zeljko, Sega, Kresimir, Beljo-Lucić, Ruzica, Horvat, Dubravko, Bosnir, Jasna

“…The aim of the study was to determine occupational exposure in Croatian wood processing industry and forest workers to harmful effects of wood dust on the risk…”
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Characteristics and Share of European Beech False Heartwood in Felling Sites of Central Croatia by Prka, Marinko, Zečić, Željko, Krpan, Ante P. B., Vusić, Dinko

“…False heartwood, as the phenomenon considerably affecting the quality of beech logs and trees, has been the object of professional and scientific interest for…”
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