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Spolni dimorfizem in raširjenost lovorolistnega volčina (Daphne laureola L.) na območju Bohorja : diplomsko delo - univerzitetni študij = Sexual dimorphism and distribution of Daphne laureola L. in Bohor area : graduation thesis - university studiesJagrič, MihaGinodiecična vrsta lovorolistni volčin (Daphne laureola L.) je ena izmed šestih samoniklih vrst iz rodu volčinov (Daphne L.) v Sloveniji. Cilji naloge so bili: ugotoviti razširjenost lovorolistnega ... volčina na Bohorju, ugotoviti spolno strukturo populacij na izbranih ploskvah lovorolistnega volčina na Bohorju in njeno povezavo z rastiščnimi razmerami ter ugotoviti, ali poleg razlike v cvetovih obstajajo še druge značilne morfološke razlike med obojespolnimi in ženskimi rastlinami lovorolistnega volčina. V raziskavo so bile vključene štiri ploskve na severnem delu Bohorskega pogorja, in sicer po dve v vsakem višinskem pasu. Skupno je bilo za preučevanje spolne strukture popisanih 277 osebkov, med njimi pa še 90 osebkov za preučevanje spolnega dimorfizma. Kot je bilo predpostavljaljeno, je območje razširjenosti lovorolistnega volčina na Bohorju relativno majhno. Ugotovljeno je bilo, da v spodnjem delu sega območje razširjenosti tudi v kvadrant 9959/1 (kartiranje srednjeevropske flore), kjer lovorolistni volčin do sedaj še ni bil zabeležen. Delež ženskih rastlin po ploskvah se je gibal med 3,17 % in 37,17 % in je bil obratno sorazmeren z naraščanjem nadmorske višine. Pogostnost pojavljanja, deleži ženskih rastlin in morfološke lastnosti rastlin so bile odvisne od dejavnikov okolja. Grmi so imeli v višjem pasu več cvetov, listi pa so bili daljši, z bolj topim vrhom listne ploskve in ostrejšim dnom listne ploskve. Razlike med obojespolnimi in ženskimi osebki so bile majhne in večinoma niso bile statistično značilne. Značilne razlike so bile ugotovljene le pri dveh znakih, in sicer so imeli ženski osebki značilno več debel, oboje spolni osebki pa značilno daljše liste.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Jagrič], 2012Language - slovenianCOBISS.SI-ID - 3389350
Author
Jagrič, Miha
Other authors
Brus, Robert
Topics
Daphne laureola L. |
lovorolistni volčin |
spolni diformizem |
razširjenost |
Bohor |
spolna struktura |
morfometrijska analiza
Library/institution |
City | Acronym | For loan | Other holdings |
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Slovenian Forestry Institute, Forestry Library, Ljubljana | Ljubljana | GIS |
outside loan 1 cop.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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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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Jagrič, Miha | |
Brus, Robert | 11958 |
Source: Personal bibliographies
and: SICRIS
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