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Omrežje gozdnih zaplat in drevnine kot izhodišče urejanja kmetijske krajine na primeru izbranega dela Kranjskega polja : magistrsko delo = Network of forest patches and trees outside forest as starting point for managing agricultural landscapes in Kranjsko field part : M. Sc. ThesisPolenšek, MajaV nalogi obravnavamo ohranjanje naravne vegetacije v kmetijskih krajinah, ki je pod močnim pritiskom intenzivnega kmetovanja in širjenja urbanizacije. S prostorsko analizo gozdnih zaplat in drevnine ... izven gozda smo dobili vpogled v trenutno stanje naravne vegetacije. Nato smo s pomočjo metod, ki izhajajo iz teorije grafov, preverili povezanost gozdnih zaplat. Vozlišča grafa predstavljajo gozdne zaplate, povezave med njimi pa stroškovno najkrajše povezave, katere smo izračunali na podlagi izdelanega rastrskega sloja stroškovnih ploskev, ki vsebuje upore posamezne rabe zemljišč. Prispevek posamezne gozdne zaplate k povezanosti in dostopnosti habitatov smo izračunali s pomočjo izbranih kazalnikov. Za izbrane dolžine prehajanja smo prav tako na podlagi kazalnikov določili najpomembnejše povezovalne zaplate, ki največ prispevajo k ohranitvi povezanosti med gozdnimi zaplatami. Ugotovili smo, da osnovno ogrodje za povezanost predstavljajo največje gozdne zaplate, ki jih dopolnjujejo manjše zaplate, ki v prostoru pokrijejo dodatne strateške točke za povezanost. Največjo omejitev za povezanost predstavljajo težje premostljiva območja. Za drevnino na podlagi izbrane metode nismo ugotovili večjih vplivov na povezanost, se je pa izkazala kot pomemben element za preprečitev nastanka prostora brez naravne vegetacije, kljub majhni površini, ki jo zavzema. Oblikovali smo karto z mrežo najpomembnejših povezovalnih zaplat in ostalih pomembnih gozdnih zaplat, ki omogočajo ohranitev heterogenosti obravnavanega prostora. Na koncu smo podali usmeritve za usmerjanje in blažitev učinkov nadaljnjih krčitev ostankov naravne vegetacije.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Polenšek], 2015Language - slovenianCOBISS.SI-ID - 4061350
Author
Polenšek, Maja
Other authors
Pirnat, Janez, 1960-
Topics
gozdne zaplate |
drevnina |
gozdna krajina |
biotska pestrost |
povezanost |
teorija grafov |
forest patches |
trees outside forest |
agricultural landscape |
biodiversity |
connectivity |
graph theory
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Library | Call number – location, accession no. ... | Copy status |
---|---|---|
BF, Central Biotechnical Library, Lj. | Skladišče M II 8587 IN: 02016057720 |
available - outside loan, loan period: 30 days |
BF, Forestry Library, Ljubljana | BFGO Knjižnica MD 145 IN: 12015000067 |
available - outside loan, loan period: 1 days |
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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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Polenšek, Maja | ![]() |
Pirnat, Janez, 1960- | 10973 |
Source: Personal bibliographies
and: SICRIS
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