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Količina in struktura odmrlega drevja v gozdovih Slovenije : diplomsko delo - univerzitetni študij
ID Poljanšek, Simon (Author), ID Bončina, Andrej (Mentor) More about this mentor... This link opens in a new window

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PID: 20.500.12556/rul/732227be-1f26-4d02-b1f9-f66b27bf627b

Abstract
Na podlagi podatkov s stalnih vzorčnih ploskev (n=94660), ki jih pridobiva Zavod za gozdove Slovenije, smo analizirali količino odmrlega drevja (OD) glede na izbrane rastiščne, sestojne ter socio-ekonomske spremenljivke. Ugotovili smo, da je v Sloveniji 26 odmrlih dreves (d1,3 > 10 cm) na ha površine, kar predstavlja 10 m3/ha OD, oziroma 3,6 % lesne zaloge gozdnih sestojev. Večje količine OD smo ugotovili v zasebnih gozdovih (11 m3/ha) kot vdržavnih (10 m3/ha), opazno večja je tudi količina v gozdovih z daljšimi spravilnimi razdaljami v primerjavi s količino OD v gozdovih s kratkimi spravilnimi razdaljami. Znotraj OD nismo ugotovili značilnih razlik v količini podrtic in sušic, značilno večji pa je delež listavcev (56 %) od deleža iglavcev (44 %). Z multivariatnim regresijskim modelom analize variance z volumnom OD kot odvisno spremenljivko in neodvisnimi spremenljivkami (GGO, rastiščni tip, razvojna faza, nagib, lesna zaloga, delež listavcev, srednje temeljnično drevo, spravilna razdalja) smo ugotovili, da naravni Slovenije lahko pojasnimo le 4,4 % variabilnosti v zalogi odmrlega drevja.

Language:Slovenian
Keywords:odmrlo drevje, količina, volumen, število, struktura, sušice, podrtice, iglavci, listavci, dejavniki, gospodarjenje z gozdovi
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Place of publishing:Ljubljana
Publisher:[S. Poljanšek]
Year:2008
Number of pages:VIII, 45 str.+pril.
PID:20.500.12556/RUL-15702 This link opens in a new window
UDC:630*18:630*56(497.4)(043.2)=163.6
COBISS.SI-ID:2311846 This link opens in a new window
Publication date in RUL:11.07.2014
Views:1703
Downloads:401
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Secondary language

Language:Unknown
Abstract:
On the basis of data from permanent sample plots (n=94660) of Slovenia forest service, we analyzed amount of dead wood (DW) in regard to selected site, stand and socio-economics variableness. In Slovenia, we found out, are 26 dead trees (d1,3 > 10 cm) on hectare area, representing 10 m3/hectare of DW, or3.6 % of growing stock forest stands. There are greater amounts of DW in private forests (11 m3/ha) than in state-owned (10 m3/ha), noticeable greater are also amounts in forests with longer skidding distance in comparison with amount of DW in forests with shorter skidding distance. Inside DW we haven't noticed significant difference in amount between logs and snags, but significantly higher is share of deciduous trees (56 %) compared to conifers (44 %). With general linear model, analyze of variance, volume of DW as dependent variable and independent variables (regional unit, site type, growth phase, inclination, growth stock, portion of deciduous trees, medium basal area tree, skidding distance) we found out, that on area of Slovenia, wecan explain only 4.4 % of variability in volume of DW.


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