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Razvoj pionirskega gozda na Mozirski Požganiji : diplomsko delo - univerzitetni študij
ID Lekše, Marko (Author), ID Diaci, Jurij (Mentor) More about this mentor... This link opens in a new window

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MD5: D99138F0C4C9B41C7ADAF46F344F0AD4
PID: 20.500.12556/rul/ae47b263-6225-4f65-94bb-c2aff673858e

Abstract
Leta 1950 je območje nad Mozirjem, danes imenovano Mozirska Požganija, uničil ogenj. Od takrat se je tu zvrstilo več sukcesijskih stadijev, ki so se razlikovali po vrstni strukturi. Razvojna dinamika poteka razmeroma hitro, sajje danes, 57 let po požaru, glavni gradnik sestojev smreka kot klimaksna vrsta, pionirji, ki so po požaru poselili pretežni del požganije, pa se umikajo. Najhitreje iz območja izginja iva. Trepetliki in brezi kaže nekoliko bolje, a se trend upadanja življenjske moči nadaljuje. Ker so to svetloljubne vrste, slabo prenašajo zasenčenje s strani, kar se odraža v precejšnjem zmanjšanju asimilacijskega aparata. Edini vrsti, ki sta preživeli požar - macesen in reči bor - sta sicer zastopani z močnimi osebki, ki pa se prav takopočasi utapljajo v gostem pletežu smrekovih krošenj, ki na vsakem koraku izražajo željo po prevladi. Nekateri predeli Požganije ostajajo neposeljeni, bodisi zaradi gostega pleteža v zeliščnem sloju ali pa zaradi velikih naklonovin erozije, ki je tu stalno prisotna. Doseljevanja ostalih klimaksnihvrst še ni zaslediti.

Language:Slovenian
Keywords:gozdni požari, pionirske vrste, sekundarna sukcesija, gozdni rezervati, Picea abies, navadna smreka, Salix caprea, bela vrba, Populus tremula, trepetlika, Betula pendula, breza
Work type:Undergraduate thesis (m5)
Typology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Year:2007
Publisher:[M. Lekše]
Number of pages:IX, 64 f.
Place:Ljubljana
PID:20.500.12556/RUL-15458 This link opens in a new window
UDC:630*43(497.4 Mozirje)(043.2)=163.6
COBISS.SI-ID:2110118 This link opens in a new window
Publication date in RUL:11.07.2014
Views:1015
Downloads:318
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Secondary language

Language:English
Abstract:
In 1950, the area above Mozirje, today known as Mozirska Požganija, was destroyed by fire. Since then, many successive stages have taken place here, which have varied in species structure. Growth dynamics changes relatively quickly as nowadays, 57 years after the fire, the spruce as a climax species is the main species of the forest stand, while pioneer trees, which have grownon the predominant part of the burnt area, started to withdraw. The goatwillow is disappearing from the area the quickest. The aspen and the birchhave better prospects, but the tendency of growing strength decline is continuing. Because these species favor light and do not tolerate side shadingwell, this is reflected in a considerable diminishing of assimilation apparatus. The only species surviving the fire - Larch and Scots pine - have strong trees, but are slowly sinking under the spruce crowns, which try to dominate in every way. Some parts of Požganija stay uninhabited either becauseof the dense growth in the herbal layer or steep slopes and erosion, which is constantly present here. A further growing of any other species has not been discovered.


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