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ŠUMARSKI LIST 7-8/2015 str. 65     <-- 65 -->        PDF

REFERENCES
Literatura
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Sažetak
Cilj istraživanja je ispitati moguæe uèinke pridobivanja drva na raspadanje ostataka u mikroekološkim podruèjima koja pripadaju trima razlièitim vrstama drveæa (trojanska jela (Abies nordmanniana subsp. Equi-trojani (Aschers & Sint. ex. Boiss) Coode & Cullen), bijeli bor (Pinus sylvestris L.) te pitomi kesten (Castanea sativa Miller)). U tu svrhu provedeni su eksperimenti njihova raspadanja ostataka nakon radova sjeèe i izrade. Uzorci ostataka za razgradnju stavljeni su u vlastite sastojine gdje su prethodnih godina obavljeni radovi pridobivanja drva, te u susjednim sastojinama gdje tih radova nije bilo (kontrola). Izabrana mikroekološka podruèja bila su podruèja bez aktivnosti pridobivanja drva (kontrolna) (C), unutaršumski traktorski putovi (traktorski put) (SR), šumski ostaci (Šumski ostaci) (LR) i podruèja s nagibom od 20 % i gornjim slojem tla ošteæenim tijekom aktivnosti pridobivanja drva, te mineralno tlo s erodiranim tjemenom (SMS). Proces razgradnje pratio se 18 mjeseci. Vrijednosti promjene mase mijerile su se svakih šest mjeseci. Izraèunate su njihove vrijednosti gubitka mase uzrokovane razgradnjom. Nakon osamnaest mjeseci, uoèeno je da su uèinci