20.500.12556/RUL-68520 Nekatere značilnosti pojava umiranja smreke in njenega prirastnega odzivanja na imisijske strese Some characteristics of dieback phenomena of Norway spruce and its growth response to the air pollution stress Raziskava obravnava vpliv neposrednega in posrednega (daljinskega) onesnaževanja ozračja na rast smreke v odraslih sestojih. Zasnovana je bila v predalpskem, alpskem in preddinarskem delu Slovenije. Raziskane so bile nekatere populacijsko-ekološke značilnosti fenomena njenega umiranja v odvisnosti od vrste in jakosti imisijskih stresov. Dendrokronološko je bilo proučeno prirastno obnašanje 250 dominantnih smrek v petih sestojih v zadnjih 50 letih. Analizirane so bile dolgoročne in trenutne prirastne spremembe v odvisnosti od zdravstvenega stanja dreves. Posredno je bil upoštevan vpliv klimatskih dejavnikov. Trendi relativne prirastne učinkovitosti dreves so bili v sestojih ožjega imisijskega · območja korelirani s trendom polucije v termoelektrarni Šoštanj. Podane so bile splošne gozdnogojitvene usmeritve za nego in obnovo imisijsko ogroženih smrekovih sestojev. The paper concerns the direct and indirect impact of air pollution on the growth of Norway spruce in mature stands. Some population-ecological characteristics of dieback phenomena of spruce related to the character and intensity of air pollution stress were studied. Growth behaviour of250 spruce trees from the pre-Alpine, Alpine and pre-Dinaric regions of Slovenia in the course of the last 50 years was dendrochronologically analysed. The long and short-term growth changes in terms of the health condition of trees were examined and climatic factors were also taken into account. In the narrow emission area the trends of relative growing efficiency of trees were correlated with the trends of pollution caused by the thermal power plant of Šoštanj. General silvicultural strategies of tending and regeneration of severely endangered spruce stands were suggested. gozdovi smreke propadanje gozdov imisijski stres propadanje smreke imisijska odpornost širina branik podnebne spremembe dendrokronologija air pollution stress spruce decline emission resistance ring width diagnostic rings abrupt growth changes climatic factors dendrochronology true false false Slovenski jezik Angleški jezik Znanstveno delo 2015-07-10 21:06:59 2015-07-10 21:06:59 2024-08-09 03:46:42 0000-00-00 00:00:00 1991 0 0 Str. 125-156 Št. 37 1991 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 630*42:630*174 0351-3114 36001024 ZbGL-37-8.pdf ZbGL-37-8.pdf 1 C1BEA9FAC3ED26950DB293D965763483 262877d1931063920e389b0515c10df827c78c40e39c415e4526a832b18a9af5 636cfd9d-a1b3-11eb-a523-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=100764 Biotehniška fakulteta 0 0 0