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Prostorska razširjenost, struktura in dinamika populacije srnjadi (Capreolus capreolus L.) v severozahodni Sloveniji : diplomsko delo - univerzitetni študij
ID Razpet, Peter (Author), ID Jerina, Klemen (Mentor) More about this mentor... This link opens in a new window

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Abstract
Pričujoča raziskava je usmerjena v preučevanje prostorske razširjenosti, strukture in dinamike populacije srnjadi, in sicer na Tolminskem gozdnogospodarskem območju. Populacijo srnjadi v GGO smo proučevali na osnovi odvzema. Baza podatkov obsega 26 853 nizov o odvzeti srnjadi za obdobje 8 let. Za obdobje od leta 2001 do leta 2004 smo podatke o spolu, ocenjeni starosti, telesni masi, masi rogovja in datumu ter kraju uplenitve pridobili izključno iz zapisnikov komisije, za obdobje od leta 2005 do leta 2008 pa iz datoteke lov_ev.dbf. Srnjad smo na podlagi obrabe zobovja razdelili v naslednje starostne kategorije: (1) do enega leta starosti (mladiči) (0,5); (2) enoletni (1,5); (3) dve- in večletni (2,5). Kategorijo dve- in večletnih pa smo razdelili na naslednje starostne razrede: prereproduktivni (3,5), reproduktivni (5,5) in postreproduktivni (8,5) del. Gostoto populacije smo prikazali s fiksno Kernelsko metodo in ugotovili, da srnjad poseljuje skoraj vse območje SZ Slovenije, vendar njene gostote znatno variirajo, saj najraje poseljuje habitate na nižjih nadmorskih višinah. Osebki dosegajo največje telesne mase prav v območju največjih gostot, iz česar lahko sklepamo, da njene gostote niso blizu gornji meji nosilnosti okolja. Večje telesne mase dosegajo moški osebki in to v vseh starostnih kategorijah. Iz upadanja telesnih mas po dveh proučevanih obdobjih pa sklepamo, da je populacija v porastu.

Language:Slovenian
Keywords:srna, Capreolus capreolus L., populacija, struktura, telesne mase, gozdni rob
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Place of publishing:Ljubljana
Publisher:[P. Razpet]
Year:2016
Number of pages:VIII, 85 str.
PID:20.500.12556/RUL-115152 This link opens in a new window
UDC:630*15(043.2)=163.6
COBISS.SI-ID:4508326 This link opens in a new window
Publication date in RUL:15.04.2020
Views:1090
Downloads:169
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Secondary language

Language:English
Title:Spatial distribution, structure and population dynamics of roe deer (Capreolus capreolus L.) in northwestern Slovenia
Abstract:
This research studies the spatial distribution, structure and population dynamics of roe deer in the forest management area (FMA) of Tolmin. The FMA%s deer population was analyzed using a database containing 26853 records on deer harvested throughout a period of 8 years. Data on sex, estimated age, body weight, antler weight as well as the date and location of harvest for the 2001-2004 period were obtained exclusively from the committee's notes, while the lov_ev.dbf file was used for the 2005-2008 period. According to tooth replacement and wear, deer were divided into the following age categories: (1) up to one year of age (fawns) (0.5); (2) yearlings (1.5); (3) two-and-a-halfyear- old animals and adults (2.5). The latter category was further divided into the following age classes: pre-reproductive (3.5), reproductive (5.5) and post-reproductive (8.5). Population density was calculated using a fixed kernel method. We determined that deer inhabit almost the entire geographic area of northwestern Slovenia; however, densities vary considerably, since they tend to occupy lower-lying habitats. Individuals with the largest body weight were found in the area with the highest densities, leading to the conclusion that its densities are below the upper limit of the environment's carrying capacity. In each age category, male individuals have heavier body weight. A decrease in body weight over the two periods under examination indicates that the population is growing.


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