20.500.12556/RUL-707 Dendroklimatološka analiza rasti bukve na treh rastiščih v Sloveniji diplomsko delo - univerzitetni študij Opravili smo dendrokronološke in dendroklimatološke raziskave rasti bukve na izbranih rastiščih na Mašunu, v revirju Pivka Jama in v Jelševcu. Na Mašunu smo analizirali 24 dreves, v Jelševcu 27 in v Pivki Jami 8 dreves. Na vsaki lokaciji smo iz posekanih debel odvzeli kolute, jih posušili, iz vsakega koluta odvzeli po tri radialne vzorce, jih označili in površinsko obdelali. Sestavili smo zaporedja širin branik posameznih vzorcev, jih sinhronizirali indatirali. S pomočjo programov TSAP/x in ARSTAN smo sestavili surovo in indeksirane lokalne kronologije širin branik za vsako lokacijo. Kronologija sestoja na Mašunu je dolga 164 let (1844-2007), kronologija sestoja pri Pivki Jami meri 168 let (1840-2007), kronologija sestoja v Jelševcu pa 154 let (1854-2007). S programom DENDROCLIM 2002 smo analizirali zvezo med širino branik in klimatskimi dejavniki (povprečna mesečna temperatura, mesečna količina padavin). Izračunani korelacijski in odzivni koeficienti kažejo na statistično značilno in časovno stabilno pozitivno zvezo med količino padavin v mesecu juniju ter širino branik na vseh treh lokacijah. Zveza je najbolj poudarjena za sestoj pri Mokronogu, najmanj pa za sestoj na Snežniku. Junijskevisoke temperature na vseh treh lokacijah na širino branik vplivajo negativno. Na širino branik sestoja na Snežniku pozitivno vpliva tudi količinapadavin predhodnega avgusta. Dendrochronological and dendroclimatological surveys were performed on beech stands on Mašun, at Pivka Jama and in Jelševec. On Mašun 24 trees were analized, 8 trees were analized in Pivka Jama and 27 trees in Jelševec. At each site samples were collected by taking discs from felled trees. Three radial samples were taken from every disc. All samples were smoothed, ring-widths measured, cross-dated and dated. Raw and standardized local tree-ring chronologies were calculated for every site using TSAP/x and ARSTAN computer programmes. The length of the Mašun chronology was 164 years (1844-2007), of the Pivka Jama chronology 168 years (1840-2007) and of the Jelševec chronology 154 years (1954-2007). Relationship between ring-widths and climate data (average monthly temperatures, monthly sum of precipitation)was analized using DENDROCLIM 2002 programme. Correlation and response coefficients calculated show a statistically significant and stable relationship between June precipitation and ring-width at all three sites. Therelationship is the most pronounced at the Jelševec site and the least pronounced at the Mašun site. High temperatures in June have a significant negative impact on ring-width at all three sites. Ring widths on Mašun are also positively affected by precipitation in August of the previous year. bukev Fagus sylvatica L. dendrokronologija dendroekologija dendroklimatologija Mašun Pivka Jama Jelševec true false false [E. Berdajs] Slovenski jezik Neznan jezik Diplomsko delo 2014-07-11 12:26:46 2014-07-11 12:26:46 2022-07-11 10:42:30 0000-00-00 00:00:00 2008 0 Ljubljana 0 XII, 79 str.+ pril. 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 630*56:630*11*(043.2) 2285734 UNI_Horvat_Eva_2008.pdf UNI_Horvat_Eva_2008.pdf 1 40AF5B73832D8E449D653D7981810AA6 31d6506741925ec8ae56e8fc1cf400ed655bff31bd60c2d415bf99c6836b1865 6f9004cc-a1b8-11eb-a523-00155dcfd717 20.500.12556/rul/64ce3bb5-32f1-4d26-b7f1-2f7dd2a654bf https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=127934 Biotehniška fakulteta 0 0 0