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dc.contributor.advisorRiepšas, Edvardas-
dc.contributor.authorGudas, Mindaugas-
dc.description.abstractAim of the work: to explain possibilities of natural birch regeneration if clearcut areas, to detect main influencing factors and their intensity. Object of the work: Clearcut areas from 1996, 1999 and 2002 of site types Lfs and Lds of Pakruojis State Forest Enterprise. Methods: for analysis of regeneration quality, rectangular sample plots were selected. They were placed in the clearcut areas 20, 40 and 60 metres from their western edge. The density, height and age of sapling according to tree species was determined. Saplings were evaluated according to their growth conditions: prepared or unprepared soil. Dependence of saplings density on the stand from western side as well as dependence saplings density and height on precedent stand was investigated. Research data was processed using methods of dispersive and regression analysis. Results: it was determined, that regeneration of birch depends on site type and precedent stand, soil preparation, stand from western site of the clearcut. Soil preparation, stand from western site of the clearcut have the biggest influence on birch saplings density. Height of birch saplings depends on soil preparation and soil type. Distance from stand edge have no influence on birch natural
dc.description.sponsorshipŽemės ūkio akademijalt
dc.description.sponsorshipVytauto Didžiojo universitetaslt
dc.format.extent56 p.-
dc.subjectneruošta dirvalt
dc.subjectplyna kirtavietėlt
dc.subjectprepared or unprepared soillt
dc.subjectžėlinių tankislt
dc.subjectberžo žėlimaslt
dc.subjectbirch regenerationlt
dc.subjectheight of saplingslt
dc.subjectdensity of saplingslt
dc.subjectžėlinių aukštislt
dc.subject.otherMiškotyra / Forestry (A004)-
dc.titleBeržo žėlimo ypatumai plyno kirtimo kirtavietėse VĮ Pakruojo miškų urėdijojelt
dc.title.alternativePecularities of birch natural regenaration in clearcut areas in Pakruojis Sate Forest Enterpriseen
dc.typemaster thesis-
item.fulltextWith Fulltext-Žemės ūkio akademija-Žemės ūkio akademija-
Appears in Collections:VDU, ASU ir LEU iki / until 2018
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