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Pilotna študija odziva črnega bora (Pinus nigra Arnold) na klimo v Dinaridih = Preliminary results of the climate-growth relationship for Pinus nigra (Arnold) in the Dinaric Mountain rangeLevanič, Tom ; Nagel, Thomas AndrewBranike dolgoživih dreves na zgornji gozdni meji ali na ekstremnih rastiščih so dobra podlaga za rekonstrukcijo klime v obdobju pred instrumentalnimi meritvami in za vzpostavitev regionalnih ... dendroklimatoloških mrež. Tak pristopse močno uveljavlja v Alpah, Skandinaviji, Kanadi in ZDA. Na območju Dinarskega gorstva pa takšne mreže še ne obstajajo, zato smo začeli s konstrukcijo dendroklimatološke mreže za črni bor (Pinus nigra Arnold) za območje Dinarskega gorstva. Na območju Šipova (BiH) smo na nadmorski višini 900-000 m na ekstremnih rastiščih analizirali rast 39 domnevno starih črnih borov. Iz osnovnega nabora 39 dreves / kronologij smo za dendroklimatološko študijo izbrali 19 kronologij z najboljšim skupnim klimatskim signalom in jih primerjali s meteorološkimi podatki s postaje Bugojno (1951-2001). Osnova za dendroklimatološko študijo je bila kronologijo rastišča, dolga 352 let, z ustreznim klimatskim signalom v obdobju 1767-1950 (184 let). Med letoma 1772 in 2005 smo identificirali 29 pozitivnih in 50 negativnih značilnih let. Število negativnih značilnih let s približevanjem sedanjosti narašča, število pozitivnih pa upada, kar lahko nakazuje klimatske spremembe. Analiza odziva črnega bora na klimo kaže statistično značilno povezanost med široko braniko in nadpovprečnimi temperaturami v marcu ter med široko braniko in nadpovprečnimi padavinami v juniju. Zaradi temporalne nestabilnost klimatskegasignala v branikah, katerega vzrok je prekratek meteorološki niz, rekonstrukcija klime v obdobju pred instrumentalnimi meritvami še ni mogoča.Source: Podnebne spremembe : vpliv na gozd in gozdarstvo = Climate changes : impact on forest and forestry (Str. 483)Type of material - conference contribution ; adult, seriousPublish date - 2007Language - slovenian, englishCOBISS.SI-ID - 1867430
Author
Levanič, Tom |
Nagel, Thomas Andrew
Topics
dendroklimatologija |
črni bor |
Pinus nigra Arnold |
Dinardi |
dendroclimatology |
Austrian pine |
Dianric mountains |
climate change
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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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Levanič, Tom | 11595 |
Nagel, Thomas Andrew | 27544 |
Source: Personal bibliographies
and: SICRIS
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