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Dendrokronološka analiza debelinskega priraščanja ameriške duglazije (Pseudotsuga menziesii (Mirb.) Franco) in njenega odziva na klimatske spremembe v primerjavi z navadno smreko (Picea abies (L.) Karst.) : magistrsko delo : magistrski študij - 2. stopnja = Dendrochronological analysis of the radial growth od Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) and its response to climate change compared to Norway spruce (Picea abies (L.) Karst.) : M. Sc. Thesis : Master Study ProgrammesŠtraus, HanaPodnebne spremembe prinašajo vedno pogostejše ekstremne suše, ki se odražajo tudi v propadanju smreke. Ameriška duglazija je vrsta, ki bi v naših gozdovih lahko delno nadomestila smreko in ublažila ... ekonomske izgube zaradi nižanja njenega deleža v gozdovih. Duglazija je tujerodna vrsta, ki pri nas dobro uspeva, a je njen odziv na ekstremne suše še neraziskan. V nalogi smo z dendrokronološko analizo primerjali odziv duglazije in smreke na klimo. Vsako od vrst smo vzorčili na treh rastiščih in za vsakega izdelali povprečno kronologijo. Izračunali smo korelacije rasti s temperaturo in padavinami in določili značilna leta. S PCA smo ugotavljali vpliv padavin in temperature na rast. Duglazija je imela bolj enoten odziv na klimo kot smreka. Na njeno rast so pozitivno najbolj vplivale visoke februarske temperature (občutljivost na pozebo), v zadnjem desetletju pa tudi nadpovprečne poletne padavine. Na smreko so imele poletne temperature in pomanjkanje padavin večji vpliv. Analiza značilnih let med vrstama ni pokazala razlik. Sklepamo, da je duglazija primerna vrsta za nadomestitev smreke, če je sajena na primernih rastiščih, kot primes avtohtonim vrstam, pri sadnji izbiramo prave provenience in v mladosti negujemo drevesca.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [H. Štraus], 2020Language - slovenianCOBISS.SI-ID - 45057027
Author
Štraus, Hana
Other authors
Levanič, Tom
Topics
ameriška duglazija |
klimatske spremembe |
dendrokronologija |
suša |
Douglas-fir |
climate change |
dendrochronology |
drought
Library/institution |
City | Acronym | For loan | Other holdings |
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Slovenian Forestry Institute, Forestry Library, Ljubljana | Ljubljana | GIS |
outside loan 1 cop.
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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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Štraus, Hana | |
Levanič, Tom | 11595 |
Source: Personal bibliographies
and: SICRIS
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