Aboveground parameters of spruce (Picea abies (L.) Karst.) stability in the light of discriminant analysis

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dc.contributor.authorŠtofko, Peter
dc.contributor.organizationState Nature Conservancy of the Slovak Republic - Management of Tatras National Park, Tatranská Štrba 75, 059 41 Tatranská Štrba, Slovakiapl_PL
dc.date.accessioned2014-09-24T08:47:44Z
dc.date.available2014-09-24T08:47:44Z
dc.date.issued2012
dc.description.abstractIn the locality Zemská (the Low Tatras Mts.) the following aboveground parameters were measured in windthrown and undamaged Norway spruce trees: stem diameter at breast height, stem diameter measured 20cm from ground level, tree height, crown length, and crown width. The stem quotients, crown proportion index, height position of the green crown, and the height of the tree centre of gravity were calculated from these data. Our results agreed with the present understanding that a wide tree crown has a negative effect on spruce stability. Paradoxically, from the view of tree stability, more favourable values of crown proportion index, stem quotients, and height positions of tree centre of gravity were found in windthrown spruce trees. In addition, the forward stepwise method of discriminant analysis identified the variable height position of the tree centre of gravity in the resulting model as the second best predictor (crown width being the first) in distinguishing between windthrown and undamaged spruce trees, although this variable had a higher mean value (less favourable) in undamaged trees.pl_PL
dc.description.epersonPrzemysław Szmit
dc.identifier.otherFolia Forestalia Polonica, series A, 2012, Vol. 54 (3), 145–152
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/5306
dc.language.isoenpl_PL
dc.publisherInstytut Badawczy Leśnictwa, Komitet Nauk Leśnych PANpl_PL
dc.rightsUznanie autorstwa-Na tych samych warunkach 3.0 Polska
dc.rights.urihttp://creativecommons.org/licenses/by-sa/3.0/pl/
dc.subjectdiscriminant analysispl_PL
dc.subjecttree centre of gravitypl_PL
dc.subjectwindthrowpl_PL
dc.subjectstatic stabilitypl_PL
dc.subjectNorway sprucepl_PL
dc.titleAboveground parameters of spruce (Picea abies (L.) Karst.) stability in the light of discriminant analysispl_PL
dc.typearticlepl_PL
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