BF, Forestry Library, Ljubljana (GIS)
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Zgradba in razvojna dinamika pragozdnega rezervata Donačka gora : diplomsko delo - visokošolski strokovni študij = Structure and dynamics of old-growth forest reserve Donačka gora : graduation thesis - higher professional studiesHajšek, Andrej, 1982-Namen diplomske naloge je bil preučiti razvojno dinamiko sestojnih vrzeli in vzpostaviti trajno raziskovalno ploskev velikosti 0,8 ha v pragozdu Donačka gora. Pri popisu sestojnih vrzeli je bil ... uporabljen severnoameriški pristop (metoda linijskih presekov). Pragozd Donačka gora meri 37,54 ha, raziskavo pa je bila opravljena v srednjem, najbolj ohranjenem delu pragozda, v letu 2011. Na treh transektih je bilo evidentiranih 39 vrzeli in v njih popisanih 144 vrzelnikov. Delež vrzeli na celotni dolžini transektov je znašal 12,6 %, deležrazširjenih vrzeli pa 41,9 %. Srednja velikost vrzeli je merila 231,57 m2, 57 % vrzeli pa je bilo manjših od 200 m2. Ugotovljeno je bilo, da se v vrzelih pojavljajo vrzelniki v različnih stopnjah razkroja, kar kaže na postopno širjenje vrzeli. Z analizo je bilo ugotovljeno, da ima največ vrzeli med 2 in 5 vrzelnikov. Pomlajevanje poteka malopovršinsko v vrzelih, prevladujoča drevesna vrsta tako v pomladku kot v zgornji drevesni plasti pa je bila bukev. Svetloljubne drevesne vrste se uspešno pomlajujejo le v nekaterih vrzelih večjih od 500 m2. Analiza podatkov iz raziskovalne ploskve je pokazala, da znaša gostota živih dreves 175 dreves na hektar, volumen živih dreves pa 496 m3/ha. Frekvenčna porazdelitev premerov živih dreves na ploskvi po debelinskih stopnjah je padajoča, kar kaže na raznomerno zgradbo pragozda. Volumen odmrlih dreves je znašal 158,20 m3/ha ali 24,2 % od skupne lesne zaloge na raziskovalni ploskvi, kar kaže na pragozdni značaj teh sestojev. Med odmrlimi drevesi so prevladovale podrtice, njihov delež je znašal 83,4 % volumna odmrlih dreves.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [A. Hajšek], 2012Language - slovenianCOBISS.SI-ID - 3403430
Author
Hajšek, Andrej, 1982-
Other authors
Diaci, Jurij
Topics
pragozdovi |
Donačka gora |
sestojne vrzeli |
bukovi gozdovi |
zgradba gozdov |
stalne raziskovalne ploskve
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Gozdarska knjižnica enota BFGO |
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BFGO Knjižnica VDN 0000000501 IN: 12012000251 BFGO Knjižnica VDN 501 IN: 12012000251 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Hajšek, Andrej, 1982- | |
Diaci, Jurij | 11253 |
Source: Personal bibliographies
and: SICRIS
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