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Razvoj sestojev v pragozdnem rezervatu Ravna gora [Elektronski vir] : diplomsko delo - visokošolski strokovni študij - 1. stopnja = Stand development in old-growth forest reserve Ravna gora : B. Sc. Thesis - Professional Study ProgrammesHosta, PavelRaziskave v pragozdovih se izvajajo z namenom boljšega razumevanja delovanja in razvoja gozda. V pragozdnem rezervatu Ravna gora so se meritve in raziskave intenzivneje začele v letu 1983, po ... vetrolomu. Vzpostavljeni sta bili dve stalni raziskovalni ploskvi, ena na neprizadetem delu, druga pa na delu, opustošenem od vetroloma. Prvi popis so izvedli leta 1983. Takrat so izvedli polno premerbo na ploskvi, vsem drevesom so določili status živo/mrtvo in vzrok smrti. Popisi so potekali nato v letih 2012, 2017 in 2022. Na neprizadeti ploskvi je razvoj potekal enakomerno, brez izrazitih ekstremov. V drevesni sestavi je prevladovala bukev s 93,2 %, gorski javor s 6,8 %, število osebkov na ha se je rahlo zmanjšalo iz 292 na 205, smrtnost je bila med 0,9 % in 1,1 %, vrast med 0,2 % in 0 %. Na ploskvi 2, prizadeti od vetroloma je v gostoti najprej prevladoval gorski javor, kasneje pa je prevladala bukev, v 2022 je bila gostota bukve 61,3 %. Po vetrolomu je vrednost temeljnice močno naraščala iz 3,86 m2/ha na zdajšnjih 16,65 m2/ha. Stopnja smrtnosti je naraščala, stopnja vrasti pa padala. Stopnja vrasti je bila po vetrolomu kar 4,6 %. Kot pričakovano se na ploskvi 1 sestojne razmere niso bistveno spremenile, prav tako pa je bil z veliko spremembo v drevesni sestavi pričakovan tudi razvoj na ploskvi 2. S tem smo potrdili postavljeni hipotezi.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [P. Hosta], 2024Language - slovenianCOBISS.SI-ID - 194148611
Author
Hosta, Pavel
Other authors
Roženbergar, Dušan
Topics
pragozd |
Ravna gora |
razvoj |
bukev |
javor |
old – growth forest |
Ravna gora |
mortality |
beech |
acer
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Hosta, Pavel | ![]() |
Roženbergar, Dušan | 21043 |
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