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Spreminjanje razvojnih faz pragozdnega ostanka Rajhenavski Rog : diplomsko delo - univerzitetni študij
Yrska, Tannja (Author), Diaci, Jurij (Mentor) More about this mentor... This link opens in a new window

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

Abstract
Namen raziskovanja razvojnih značilnosti pragozdov je poglobitev znanja o obnovitveni dinamiki v naravnih gozdovih. Po srednjeevropskem pristopu so leta1984 opravili analizo horizontalne zgradbe v pragozdnem ostanku Rajhenavski Rog. Po enotni metodologiji je bilo leta 2004 ponovljeno snemanje razvojnih faz v južni polovici rezervata, leta 2006 pa smo ga opravili še na severni polovici. Primerjava rezultatov je pokazala velike spremembe v horizontalni zgradbi. Ob prvem kartiranju je bila prevladujoča optimalna faza,po dveh desetletjih pa je največji površinski delež zavzela inicialna faza pod zastorom. Malopovršinskost obnove v pragozdu je postala še bolj očitna in primerljiva z izbranimi domačimi in tujimi rezervati. Analiza podatkov za različne rezervate je pokazala kako širok razpon lahko zavzame določena razvojna faza. Metodologija po srednjeevropskem pristopu je obremenjena s subjektivnostjo, zato jo v prihodnje nameravamo podkrepiti z merljivimi kazalci horizontalne strukture. Rezultati imajo praktično vrednost za sonaravno gospodarjenje, še posebej za usmeritve pri izboljšanju strategij ter pogojev za pomlajevanje.

Language:Slovenian
Keywords:pragozdovi, rezervati, pragozdni rezervati, Rajhenavski Rog, razvojne faze
Work type:Undergraduate thesis (m5)
Tipology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Year:2008
Publisher:[T. Yrska]
Number of pages:IX, 58 str.
Place:Ljubljana
UDC:630
COBISS.SI-ID:2157222 Link is opened in a new window
Views:667
Downloads:107
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Secondary language

Language:Unknown
Abstract:
The purpose of researching the development characteristics of primeval forestsis to deepen the knowledge of the restoration dynamics in natural forest. In 1984 the analysis of the horizontal structure of old - growth forest remnant Rajhenavski Rog was performed on the basis of the Central European approach. In 2004 was again performed the mapping of the development phases in the southern half of the reserve on the basis of a single methodology; in 2006 the same was done also for the north half. The comparisonof the results showed big changes in the horizontal structure. During the first mapping the optimal phase prevailed, after two decades the largest area belonged to the initial phase under canopy cover. Small rejuvenation area in the primeval forest became even more obvious and comperable with the selected domestic and foreign reserves. The data analysis for different reserves showed how wide can be the range of individual development phase. A disadvantage of the method on the basis of the Central European approach is subjectivity therefore we are going to support it with measurable indicators. The results have a practical value for the sustainable management, in particular as regard guidelines for improvement of strategies and rejuvenation conditions.


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