Zanesljivost volumenskih funkcij na primeru drevesne vrste smreke v Sloveniji

Various volume functions used for tree volume estimations were compared by the authors. Using section measurements (Newtonʼs method), they calculated the real tree volumes of 88 felled spruce trees on the Pokljuka plateau. The real tree volumes were used to form regional three-entry volume...

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Autores principales:	Gal Kušar, David Hladnik, Milan Hočevar
Formato:	article
Lenguaje:	DE EN ES FR SL
Publicado:	Slovenian Forestry Institute 2013
Materias:	Forestry SD1-669.5 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/c4af065742af4a66bf247072a1c70672
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id	oai:doaj.org-article:c4af065742af4a66bf247072a1c70672
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spelling	oai:doaj.org-article:c4af065742af4a66bf247072a1c706722021-11-15T12:33:22ZZanesljivost volumenskih funkcij na primeru drevesne vrste smreke v Sloveniji2335-31122335-395310.20315/ASetL.102.4https://doaj.org/article/c4af065742af4a66bf247072a1c706722013-01-01T00:00:00Zhttp://dirros.openscience.si/IzpisGradiva.php?id=7773https://doaj.org/toc/2335-3112https://doaj.org/toc/2335-3953 Various volume functions used for tree volume estimations were compared by the authors. Using section measurements (Newtonʼs method), they calculated the real tree volumes of 88 felled spruce trees on the Pokljuka plateau. The real tree volumes were used to form regional three-entry volume functions, (two-entry) volume tables, and tariff functions. The standard error of the average tree volume estimation is the lowest for three-entry volume functions (5.0%), then for volume tables (11.7%), and the highest for tariffs (15.1%). The reliability and applicability of the developed regional and other volume functions was verified on two one-hectare research plots. It was established that by applying the adapted German volume tables, the measured spruce volumes were too high. As the volumes measured in this manner are used when determining the adapted tariffs in Slovenia, this procedure results in a tariff class of at least 5% too high tree volumes.Gal KušarDavid HladnikMilan HočevarSlovenian Forestry InstitutearticleForestrySD1-669.5Environmental sciencesGE1-350DEENESFRSLActa Silvae et Ligni, Vol 102, Pp 43-54 (2013)
institution	DOAJ
collection	DOAJ
language	DE EN ES FR SL
topic	Forestry SD1-669.5 Environmental sciences GE1-350
spellingShingle	Forestry SD1-669.5 Environmental sciences GE1-350 Gal Kušar David Hladnik Milan Hočevar Zanesljivost volumenskih funkcij na primeru drevesne vrste smreke v Sloveniji
description	Various volume functions used for tree volume estimations were compared by the authors. Using section measurements (Newtonʼs method), they calculated the real tree volumes of 88 felled spruce trees on the Pokljuka plateau. The real tree volumes were used to form regional three-entry volume functions, (two-entry) volume tables, and tariff functions. The standard error of the average tree volume estimation is the lowest for three-entry volume functions (5.0%), then for volume tables (11.7%), and the highest for tariffs (15.1%). The reliability and applicability of the developed regional and other volume functions was verified on two one-hectare research plots. It was established that by applying the adapted German volume tables, the measured spruce volumes were too high. As the volumes measured in this manner are used when determining the adapted tariffs in Slovenia, this procedure results in a tariff class of at least 5% too high tree volumes.
format	article
author	Gal Kušar David Hladnik Milan Hočevar
author_facet	Gal Kušar David Hladnik Milan Hočevar
author_sort	Gal Kušar
title	Zanesljivost volumenskih funkcij na primeru drevesne vrste smreke v Sloveniji
title_short	Zanesljivost volumenskih funkcij na primeru drevesne vrste smreke v Sloveniji
title_full	Zanesljivost volumenskih funkcij na primeru drevesne vrste smreke v Sloveniji
title_fullStr	Zanesljivost volumenskih funkcij na primeru drevesne vrste smreke v Sloveniji
title_full_unstemmed	Zanesljivost volumenskih funkcij na primeru drevesne vrste smreke v Sloveniji
title_sort	zanesljivost volumenskih funkcij na primeru drevesne vrste smreke v sloveniji
publisher	Slovenian Forestry Institute
publishDate	2013
url	https://doaj.org/article/c4af065742af4a66bf247072a1c70672
work_keys_str_mv	AT galkusar zanesljivostvolumenskihfunkcijnaprimerudrevesnevrstesmrekevsloveniji AT davidhladnik zanesljivostvolumenskihfunkcijnaprimerudrevesnevrstesmrekevsloveniji AT milanhocevar zanesljivostvolumenskihfunkcijnaprimerudrevesnevrstesmrekevsloveniji
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Zanesljivost volumenskih funkcij na primeru drevesne vrste smreke v Sloveniji

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