Primarno otvaranje šuma različitih reljefnih područja Republike Hrvatske | Primary Forest Opening of Different Relief Areas in the Republic of Croatia
2011
Pentek, Tibor | Pičman, Dragutin | Nevečerel, Hrvoje | Lepoglavec, Kruno | Papa, Ivica | Potočnik, Igor
Particularly since its independence, the Republic of Croatia has invested a lot of money into the construction of primary forest roads, and however, there is still a large lack of adequately opened forest areas, and in future this will be the object of further investments aimed at achieving the planned or target (optimal) forest openness (Pentek et al. 2006). According to Pentek (2002) there are five basic variants of the primary traditional openness: existing primary road density, minimally required primary road density, planned primary road density, target primary road density and optimal primary road density. It should be emphasized that the data on the primary openness do not speak much of the quality of spatial distribution of the components of primary forest road infrastructure. So as to better understand the actual value of the primary openness, the primary openness should always be presented paired with the mean distance of timber extraction, or with the mean distance of access to the endangered forest areas, if speaking about fire protection roads in the karst area. In Croatia, Technical Requirements for Industrial Roads (roads used in agriculture and forestry) of 1989 by the author Šikić et al. are currently applicable. The last two centuries were rich with changes, findings and accomplish ments, which were also reflected in forestry so that the defined technical features of forest roads had to be adapted to the present needs. The proposal was drawn up of the new Technical Requirements for Industrial Roads (Pentek et al. 2007b, Nevečerel 2010)/Tables 2, 3 and 4).
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