20.500.12556/RUL-120564 Ocena sortimentacije bukve v bukovjih gorskega pasu v Zasavju The assessment of European beech timber assortments in montane beech forests in Zasavje V Zasavju smo na dveh raziskovalnih objektih v gorskih bukovih gozdovih ocenjevali kakovost bukve po treh različnih metodah ocenjevanja sortimentacije. Primerjali smo oceno sortimentacije po metodah i) ocenjevanja na stoječem drevju, ii) ocenjevanja na podrtem drevju in iii) ocenjevanja na podrtem in skrojenem drevju. Ocenili smo skupno 35 bukev in 14 smrek. Pri vseh treh metodah ocene sortimentacije smo sledili določilom Pravilnika o merjenju in razvrščanju gozdnih lesnih sortimentov iz gozdov v lasti Republike Slovenije (2017). Najboljšo oceno kakovosti bukve smo dobili po metodi ocene stoječega drevja, kar je verjetno posledica nezmožnosti zaznavanja notranjih napak, kot je pri bukvi rdeče srce. V raziskavi nismo zabeležili furnirske kakovosti bukovine (kakovostni razred A), prav tako smo ocenili zelo malo sortimentov kakovostnega razreda B, nekoliko več pa C in D, prevladoval je prostorninski les. Takšna sortimentacija je verjetno posledica nenegovanosti in starosti sestojev. Na boljšo kvaliteto bukovih gozdno-lesnih sortimentov lahko pozitivno vplivamo s pravočasnim posekom in izvajanjem negovalnih del, ključno pa je tudi ustrezno krojenje gozdno-lesnih sortimentov. The quality of beech timber was evaluated in two study objects in mountain beech forests in Zasavje using three different methods of timber assortment assessment. We compared the timber assortment structure assessed with three methods: i) the assessment on standing trees, ii) the assessment on harvested trees, and iii) the assessment on harvested and bucked trees. We evaluated a total of 35 beeches and 14 spruces. In all three methods of assortment assessment, we followed the Rules on the measurement and classification off rest wood assortments from forests owned by the Republic of Slovenia (2017). The best assortment structure of beech was obtained by the method of assessing the quality of standing trees, which is probably due to the inability to detect internal defects, such as the red heart. In both study objects, logs of veneer quality (quality class A) were not recorded, also very few logs of quality class B were registered, slightly more were of quality categories C and D, fuel wood prevailed in both study objects. Such assortment is probably due to the lack of silvicultural measures in young stands and high age of both stands. The quality of beech timber can be increased by time by felling and adequate silvicultural measures, but finally the appropriate bucking of harvested beech trees is crucial. navadna bukev Fagus sylvatica kakovost gozdno-lesni sortimenti European beech Fagus sylvatica timber quality timber assortments true false false [Ž. Jerman] Slovenski jezik Angleški jezik Diplomsko delo/naloga 2020-09-23 07:16:19 2020-09-23 07:16:23 2022-09-01 03:59:34 0000-00-00 00:00:00 2020 0 0 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 630*32:630*17Fagus Sylvatica(497.4Zasavje)(043.2)=163.6 181579 31533571 10693.pdf 10693.pdf 1 17DFB39F380976DEBB72A1CE39571E6C eac97a477f85fdfcadf33df3f366f42dfc69b65f24140c39bd5e415c74c8f468 1ef9272d-a1ba-11eb-a523-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=135376 Biotehniška fakulteta 0 0 0