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Vpliv soljenja cest na smreko (Picea abies (L.) Karsten) v obcestnem prostoru na Pokljuki : magistrsko delo = Effects of de-icing salt on norway spruce (Picea abies (L.) Karsten) in the road-side area on Pokljuka : master of science thesisMenegalija, TanjaSoljenje cest vpliva na kemijske lastnosti tal in posledično na fiziološke parametre in rast rastlin v obcestnem prostoru. Vpliv soljenja smo preučevali na območju Pokljuke (Triglavski narodni park), ... kjer smo izbrali vzorčna mesta, ki so ob intenzivno soljenem cestnem odseku in referenčno mesto brez tega vpliva. Meritve rasti rastlin in fizioloških parametrov smo opravili na smreki (Picea abies). V letih 2009 in 2010 smo izmerili naslednje parametre: fotokemično učinkovitost FS II, vodni potencial, transpiracijo, vsebnost klorofila a in b ter kationov (Na+, K+, Ca2+ in Mg2+) v iglicah. Na teh vzorčnih mestih smo odvzeli vzorce tal in snega. Analizirali smo kemijske parametre in sicer, električno prevodnost, vsebnost bazičnih kationov, oziroma kationsko izmenjalno kapaciteto (Ca2+, Mg2+, K+, Na+). Analize so pokazale bistveno večje vsebnosti Na+ v snegu ter v tleh v spomladanskem obdobju. Statistično značilne razlike med soljenimi in nesoljenimi rastišči so se pokazale v ksilemskem vodnem potencialu, kot tudi v biomasi poganjkov. Za vzorčno mesto V1s, kjer so tla plitvejša, smo pri večjem številu fizioloških parametrov izračunali statistično značilne razlike z referenčnim rastiščem (V6ns), saj so razmere tam za rast smreke manj ugodne, vpliv soljenja pa se zaradi manjše kapacitete tal za vodo prej odrazi. V letu 2013, po zimi, ko je bilo porabljeno največ soli, je bila prirast rastlin statistično značilno manjša na obeh soljenih lokacijah, v primerjavi z nesoljeno.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [T. Menegalija], 2015Language - slovenianCOBISS.SI-ID - 4071078
Author
Menegalija, Tanja
Other authors
Zelnik, Igor
Topics
soljenje cest |
smreka |
poškodbe rastlin |
natrij |
Pokljuka |
de-icing salt |
Norway spruce |
plant damage |
sodium |
Pokljuka
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Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Central Biotechnical Library, Ljubljana | Ljubljana | BFCBK |
outside loan 1 cop.
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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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Menegalija, Tanja | ![]() |
Zelnik, Igor | 21452 |
Source: Personal bibliographies
and: SICRIS
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