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Vpliv sestojnih, talnih in mikrorastiščnih razmer na rast in razvoj jelke (Abies alba Mill.) na visokem krasu Snežnika : doktorska disertacija = The influence of stand, soil and micro-site conditions on growth and development of silver fir (Abies alba Mill.) in high karst of Snežnik : doctoral dissertationKobal, MilanV GGE Leskova dolina so analizirali vpliv sestojnih in rastiščnih razmer na rast in razvoj jelke (Abies alba Mill.). Raziskava je bila zasnovana na dveh prostorskih nivojih. Spremembe drevesne ... sestave v obdobju 1954-2004 so analizirali za štiri rastiščnogojitvene razrede na rastiščih dinarskih jelovo-bukovih gozdov, ki so v GGE Leskova dolina prisotni na 2.392 ha površine (79,4 %). Rezultati nakazujejo, da se je drevesna sestava v zadnjih petdesetih letih spremenila glede na sestojno zgradbo leta 1954. Slednja je bila v preteklosti spremenjena zaradi preteklega načina gospodarjenja v teh gozdovih. Značilen vpliv na spremembo drevesne sestave ima tudi razmerje med sanitarnim in rednim posekom iglavcev. Vpliv sestojne zgradbe, katero so ocenili s pomočjo indeksov konkurence, ter vpliv rastiščnih dejavnikov (reliefin tla) na rast jelke so analizirali na raziskovalnem objektu (18 ha). Na volumenski prirastek jelke (n = 65) v obdobju 2002-2007 ima največji vpliv konkurenca, sledi dosežen volumen drevesa. Na višinski prirastek ima značilen vpliv lega drevja v terenu, prav tako nanj vplivajo združbe tal, na katerih drevo raste. Tla vplivajo tudi na volumenski prirastek jelke v obdobju 2002-2007. Povprečna globina tal ima na volumenski prirastek dreves pozitiven učinek. V raziskavi niso potrdili, da bi talni žepi (s hranili bogata zaplata)vplivali na volumenski prirastek jelke. Učinek konkurence se med združbami tal razlikuje - najhitreje se volumenski prirastek z naraščanjem konkurence znižuje na združbi izpranih tal. Najmanjši upad prirastka z večanjem konkurence smo ugotovili na rjavih pokarbonatnih tleh. Z modelom, v katerem so upoštevali konkurenco, dosežen volumen drevesa in tla, so pojasnili 76 % variabilnosti volumenskega prirastka jelke v obdobju 2002-2007. Ellenbergovi indeksi so se izkazali za manj primerno metodo vrednotenja rast na tako majhnem rastiščnem razponu.Type of material - dissertation ; adult, seriousPublication and manufacture - Ljubljana : [M. Kobal], 2011Language - slovenian, englishCOBISS.SI-ID - 255941120
Author
Kobal, Milan
Other authors
Hladnik, David |
Kadunc, Aleš
Topics
Jelka |
Prirastek |
Snežnik |
Disertacije |
dinarski kras |
jelovo-bukovi gozdovi |
gozdni sestoji |
strukturne spremembe |
drevesna sestava |
rastišče |
relief |
tla |
tla
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Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Central Biotechnical Library, Ljubljana | Ljubljana | BFCBK |
outside loan 1 cop.
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Slovenian Forestry Institute, Forestry Library, Ljubljana | Ljubljana | GIS |
outside loan 1 cop.
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National and University Library, Ljubljana | Ljubljana | NUK |
reading room 1 cop.
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not for loan 1 cop.
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Year | Impact factor | Edition | Category | Classification | ||||
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DRS, in which the journal is indexed
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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Kobal, Milan | 27605 |
Hladnik, David | 06470 |
Kadunc, Aleš | 20035 |
Source: Personal bibliographies
and: SICRIS
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