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Vpliv ekoloških dejavnikov na naravno pomlajevanje zasmrečenih predalpskih jelovo-bukovih gozdov na karbonatnih sedimentih : doktorska disertacija = Influence of ecological factors on the natural regeneration of secondary Norway spruce forests on a pre-Alpine silver fir-beech forest site on carbonate sediments : doctoral dissertationRozman, JurijPremena čistih smrekovih sestojev je eden poglavitnih gojitvenih izzivov v Evropi. Človek je z gozdno pašo, oglarjenjem in golosečnim sistemom s sadnjo smreke močno spremenil tudi gozdove v Alpah, za ... katere pogosto mislimo, da so naravni. Naravna obnova zasmrečenih gozdov je marsikje zelo težavna, uspeh obnove pa je ključni element trajnosti gozda in vseh njegovih funkcij. Raziskavo smo izvedli v zasmrečenih predalpskih jelovo-bukovih gozdovih v raziskovalnih območjih Jelendol in Krašica. Meritve so bile izvedene leta 2003 in 2008 na 18 objektih v Jelendolu in leta 1993, 1998 in 2010 na 32 objektih na Krašici. Vpliv ekoloških dejavnikov na uspešnost naravnega pomlajevanja smo proučili s pomočjo linearnih mešanih modelov in posplošenih linearnih mešanih modelov. Na obeh raziskovalnih objektih smo ugotovili sukcesijski razvoj v smeri večjega deleža listavcev, v Jelendolu se poleg smreke v mladju uveljavlja bukev in na Krašici gorski javor. Drevesne vrste imajo različne potrebe po ekoloških dejavnikih, ki se dodatno spreminjajo z višinskim razvojem mladja. Za pomlajevanje bukve je temeljnega pomena bližina semenskih dreves. Najboljša nasemenitev se razvije pod sestojem in v malih vrzelih, vendar je za preživetje zadostnega števila klic potrebna predvsem zadostna količina difuznega sevanja, ki jo dosežemo šele z oblikovanjem srednje velikih vrzelih. V obeh območjih potrebuje mladje za nadaljnjo rast več svetlobe, pri čemer je na niže ležeči Krašici dovolj že vrzel premera ene drevesne višine, medtem ko mora biti vrzel v Jelendolu večja. Razvoj pomlajevanja v Jelendolu je bistevno počasnejši kot na Krašici. V obeh območjih obnovo značilno zavira velika rastlinojeda divjad.Type of material - dissertation ; adult, seriousPublication and manufacture - Ljubljana : [J. Rozman], 2015Language - slovenianCOBISS.SI-ID - 4210854
Link(s):
Repository of the University of Ljubljana – RUL
Digitalna knjižnica Slovenije - dLib.siDostop z namenskih računalnikov v prostorih NUK
Author
Rozman, Jurij
Other authors
Diaci, Jurij
Topics
naravno pomlajevanje |
smreka |
Picea abies |
ekološki dejavniki |
svetlobne razmere |
gorski gozd |
natural regeneration |
Norway spruce |
Picea abies |
ecological factors |
light climate |
mountain forest
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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Shelf entry
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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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Rozman, Jurij | |
Diaci, Jurij | 11253 |
Source: Personal bibliographies
and: SICRIS
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