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Debelinsko priraščanje črnega bora na Krasu v različnih razvojnih fazah [Elektronski vir] : diplomsko delo - univerzitetni študij - 1. stopnja = Radial growth of Black Pine (Pinus nigra Arnold) in Karst in different developmental phases : B. Sc. Thesis - academic study programmesMarzel Djuranovič, PatrikDiplomska naloga raziskuje dinamike debelinskega priraščanja črnega bora (Pinus nigra Arnold) na Krasu v odvisnosti od razvojne faze sestoja, stopnje negovanosti in vpliva podnebnih dejavnikov. ... Raziskava je potekala na sedmih raziskovalnih ploskvah v Gozdnogospodarskem območju Sežana, ki so vključevale negovane in nenegovane sestoje v fazah letvenjaka, drogovnjaka in debeljaka. Za analizo je bilo zbranih 100 prirastnih izvrtkov, ki so bili digitalizirani s sistemom ATRICS in programsko opremo CooRecorder/CDendro, kar je omogočilo merjenje širine branik za obdobje od leta 1897 do 2022. Rast je bila modelirana z Richard-Chapmanovo rastno funkcijo, statistična analiza pa je vključevala T-test za neodvisne vzorce in Pearsonovo korelacijsko analizo. Ugotovljeno je bilo, da je bilo debelinsko priraščanje v negovanih sestojih statistično značilno večje v fazah debeljaka (povprečna razlika 0,523 mm) in drogovnjaka, kar potrjuje pozitiven vpliv redčenja. Obratno so bile v fazi letvenjaka širine branik statistično značilno večje v nenegovanih sestojih (povprečna razlika 0,827 mm). Potrjeno je bilo, da se debelinski prirastek črnega bora s starostjo zmanjšuje, pri čemer nega ta upad upočasni. Analiza vpliva podnebja je pokazala, da med povprečno letno temperaturo zraka in prirastkom ni statistično značilne povezave (r = 0,16 negovan, r = 0,03 nenegovan), je pa bila ugotovljena zmerno pozitivna, statistično značilna korelacija z letno količino padavin (r = 0,42 negovan, r = 0,39 nenegovan). Sklepamo, da je zmanjšanje rasti posledica kombinacije naravnega starostnega zmanjšanja in podnebnega stresa, kjer imajo padavine večji pomen kot povprečna letna temperatura.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [P. Marzel Djuranovič], 2025Language - slovenianCOBISS.SI-ID - 258327555
Author
Marzel Djuranovič, Patrik
Other authors
Roženbergar, Dušan
Topics
črni bor |
debelinsko priraščanje |
razvojne faze |
Kras |
black pine |
radial growth |
developmental phases |
Karst
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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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| Marzel Djuranovič, Patrik | ![]() |
| Roženbergar, Dušan | 21043 |
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