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Vpliv svetlobe na razrast bukovega mladovja v gospodarskem gozdu in pragozdu na dinarskih jelovo-bukovih rastiščih Kočevskega Roga : magistrsko delo = Effects of light on growth and morphology of beech seedlings nad saplings in an old-growth and managed Dinaric beech-fir forest in Kočevski Rog : M. sc. thesisRoženbergar, DušanRaziskave bukovega mladovja različne starosti smo opravili v pragozdnem rezervatu Rajhenavski Rog in na primerljivih rastiščih v gospodarskih sestojihv gozdnogospodarskih območjih Kočevje in Novo ... mesto. Raziskavo smo opravili v sestojnih vrzelih z mladovjem, praviloma ne višjim od 2 m, in obravnavali vrzeli velike od 200 do 1200 m2. Na vsaki raziskovalni ploskvi znotraj vrzeli smo merili in ocenjevali različne parametre in med njimi tudi obliko razrasti terminalnega poganjka (enoosen, rogovilast ali metlast) ter obliko razrasti celotnega osebka bukovega mladovja (enoosen raven, deformacijastebla ali plagiotropen). Na vseh točkah smo izmerili svetlobo. V vrzelih srednje vrednosti relativne svetlobe niso presegale 17 %, pod zastorompa so bile okoli 3 %, kar je blizu minimuma, ki še omogoča nemoten razvoj pomladka. Z vidika bodoče kakovosti bukovih dreves so najbolj neugodne metlasta in rogovilasta razrast glavnega poganjka, ter plagiotropna razrast celotnega osebka bukovega mladja. Delež osebkov z metlasto razrastjo glavnega poganjka se povečuje, osebkov s plagitropno razrastjo pa zmanjšuje, s povečevanjem vrednosti relativne direktne in razpršene svetlobe. Med deleži posameznih tipov razrasti osebkov bukovega mladovja razlik med gospodarskim gozdom in pragozdom nismo ugotovili. V obeh primerih je okoli 40 % vseh osebkov imelo neugodno razrast, kar ob zadostni gostoti in predpostavki, da nidrugih izrazitih neugodnih dejavnikov, ki bi povečevali smrtnost osebkov bukovega mladovja, ne pomeni izrazitega problema pri negi mlajših razvojnih faz.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [D. Roženbergar], 2007Language - slovenianCOBISS.SI-ID - 2121126
Author
Roženbergar, Dušan
Other authors
Diaci, Jurij |
Brus, Robert |
Batič, Franc
Topics
ekologija pomlajevanja |
Fagus sylvatica |
bukev |
Abies alba |
bela jelka |
svetloba |
pragozdovi |
sonaravno gojenje |
morfologija |
oblika krošnje
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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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Roženbergar, Dušan | 21043 |
Diaci, Jurij | 11253 |
Brus, Robert | 11958 |
Batič, Franc | 02085 |
Source: Personal bibliographies
and: SICRIS
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