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Rast gradna na rastišču Blechno-Fagetum v Poljanski dolini : diplomsko delo (visokošolski strokovni študij - 1. stopnja)
Štravs, Janez (Author), Kadunc, Aleš (Mentor) More about this mentor... This link opens in a new window

URLURL - Presentation file, Visit http://www.digitalna-knjiznica.bf.uni-lj.si/vs1_stravs_janez.pdf This link opens in a new window

Abstract
V Poljanski dolini sta bili izbrani dve raziskovalni ploskvi na rastišču Blechno-Fagetum, kjer je v sestojih prevladoval graden. Skupno je bilo izmerjenih 33 dreves gradna. Preden so bili posekani, jim je bila ocenjena kakovost debel. Na podlagi debelnih analiz je bila ugotovljena višinska, debelinska in volumenska rast. Poleg tega je bilo preizkušeno, ali klimatski dejavniki vplivajo na širino branike. Ugotovljena je bila zelo počasna rast dreves, šibek klimatski signal v branikah, boljše priraščanje vladajočih kot podstojnih dreves in boljše priraščanje dreves z veliko kot dreves z majhno krošnjo. Ugotovljen sortimentni sestav kaže zelo nizko kakovost debel. Med napakami so bile izredno pogoste zimavost, trohnoba in tudi kolesivost.

Language:Slovenian
Keywords:gozdovi, višinska rast, debelinska rast, volumenska rast, graden, Quercus petraea Liebl., Blechno-Fagetum, Poljanska dolina
Work type:Undergraduate thesis (m5)
Tipology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Year:2011
Publisher:[J. Štravs]
Number of pages:VII, 21 f.
Place:Ljubljana
UDC:630*52(043.2)=163.6
COBISS.SI-ID:3244454 Link is opened in a new window
Views:550
Downloads:176
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Secondary language

Language:English
Abstract:
In Poljanska dolina two research plots were selected on site Blechno-Fagetum, in the stands dominated by sessile oak. Altogether, 33 sessile oaks were measured, their stem quality analyzed and then they were cut down. On the basis of stem analyses height growth, diameter growth and volume growth were established. Beside, the climate factors influence on the tree ring width was tested. It was established that the growth is very slow, climate signal in tree rings is weak, growth of dominant is better in comparison with dominated oaks and growth of trees with bigger crowns is better as well. The assortment structure indicates very low stem quality. Among stem defects frost cracks, rot and partially ring shakes are very frequent.


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