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Sestojna dinamika in mortaliteta dreves v pragozdu Pečka [Elektronski vir] : diplomsko delo - visokošolski strokovni študij - 1. stopnja = Stand dynamics and tree mortality in the Pečka old-growth forest : B. Sc. Thesis - Professional Study ProgrammesVirant, Tadeja, gozdarkaPragozd Pečka je eden izmed štirinajstih pragozdnih ostankov v Sloveniji. V njih potekajo meritve za raziskave in naloge kot je ta. Pridobljeni podatki zaradi odsotnosti neposrednega človekovega ... vpliva nudijo kakovosten vir informacij o naravni dinamiki in spremembah v pragozdu. Na trajnih vzorčnih ploskvah se je leta 2019 ponovilo polno premerbo dreves, prvič po letu 2014, začetki meritev pa segajo v leto 1980. Meritve so potekale na treh ploskvah, katerih podatke smo za analizo združili in primerjali z izsledki prejšnjih meritev. Namen naloge je bil prikazati spremembe v drevesni strukturi, vrasti in mortaliteti. Vrstna sestava se je delno spremenila, v letu 2019 sta ostali prisotni zgolj bukev (Fagus sylvatica L.) in jelka (Abies alba Mill.), graditeljici združbe in le 2 osebka gorskega bresta (Ulmus glabra Huds.). Ostale drevesne vrste so prisotne v zanemarljivih deležih. Delež bukve se je tekom let povečeval, njena prevlada se obeta tudi v prihajajočih letih. Stopnja mortalitete je med obdobji spremljanja nihala. Med leti 1980 in 1998 je znašala 1,45 % največ med izbranimi obdobji, med letoma 1998 in 2014 se je drastično zmanjšala na 0,84 %, nato pa se je v zadnjem obdobju, med leti 2014 in 2019 ponovno zvišala na 1,22 %. Do leta 2014 na ploskvah ni bilo zabeleženega novo vraslega drevesa, v dotičnem letu je novo vraslih 595 dreves, leta 2019 zgolj 164, vsa novo vrasla drevesa so predstavljale bukve.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [T. Virant], 2023Language - slovenianCOBISS.SI-ID - 166013955
Author
Virant, Tadeja, gozdarka
Other authors
Nagel, Thomas Andrew
Topics
Pečka |
pragozdovi |
smrtnost |
vrast |
bukev |
Fagus Sylvatica L. |
jelka |
Abies alba Mill. |
Pečka |
old-growth forest |
recruitment |
mortality |
European beech |
Fagus sylvatica L. |
silver fir |
Abies alba Mill.
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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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Virant, Tadeja, gozdarka | |
Nagel, Thomas Andrew | 27544 |
Source: Personal bibliographies
and: SICRIS
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