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Spolni dimorfizem kranjske kozje češnje (Rhamnus fallax Boiss.) na območju Kamniško-Savinjskih Alp : diplomsko delo - univerzitetni študij = Sexual dimorphism of Rhamnus fallax Boiss. in the region of Kamnik-Savinja Alps : graduation thesis - university studiesČugalj, JanKranjska kozja češnja (Rhamnus fallax Boiss.) je značilna kalcifilna in pionirska grmovna vrsta. Razširjena je od jugovzhodnega obrobja Alp po Balkanskem polotoku vse do Grčije in Bolgarije. Cilji ... raziskave so bili ugotoviti razmerje med spoloma v populacijah, obstoj morfološke variabilnosti, vpliv okoljskih dejavnikov na variabilnost vrste ter obstoj morebitnega spolnega dimorfizma. Na območju Kamniško-Savinjskih Alp smo izbrali 6 vzorčnih ploskev. Za ugotovitev spolne strukture populacij smo v analizo zajeli 547 grmov. Za podrobnejšo morfometrijsko analizo smo od teh izbrali 180 grmov s katerih smo nabrali 1620 listov. Ugotovili smo, da je na vseh raziskovalnih ploskvah delež moških osebkov večji od deleža ženskih. V povprečju je moških rastlin skoraj dvakrat več (49,31 %) od ženskih (27,33 %), preostalim grmom (23,36 %) pa spola ni bilo možno določiti. Hierarhični poskus smo izvedli z namenom, da bi prikazali vpliv posameznih dejavnikov (višinskih pasov, ploskev, spolov, grmov) na variabilnost proučevanih znakov. Na skupno variabilnost listov je imel največji vpliv položaj znotraj grma, na skupno variabilnost grmov pa razlike med grmi. Vpliv spola na variabilnost grmov in listov je bil najmanjši. Z metodo glavnih komponent smo analizirali povprečne vrednosti znakov za moške in ženske osebke. Moški grmi so imeli v primerjavi z ženskimi na večini ploskev nekoliko večje liste. Velikost listov je bila pri vseh ploskvah podobna, pri tem je izrazito izstopala le ploskev III, ki se je nahajala na bolj suhem rastišču s kamnitimi tlemi ter vetru izpostavljeni legi.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [J. Čugalj], 2015Language - slovenianCOBISS.SI-ID - 4172454
Author
Čugalj, Jan
Other authors
Brus, Robert |
Jarni, Kristjan
Topics
Rhamnus fallax Boiss. |
kranjska kozja češnja |
spolni dimorfizem |
morfometrijska analiza |
Kamniško- Savinjske Alpe |
Rhamnus fallax Boiss. |
Carniolan buckthorn |
sexual dimorphism |
morphometric analysis |
Kamnik-Savinja Alps
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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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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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Čugalj, Jan | ![]() |
Brus, Robert | 11958 |
Jarni, Kristjan | 26070 |
Source: Personal bibliographies
and: SICRIS
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