About: Frost cracks and their effect on the stability of birch stands in the Krušné hory Mts.

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About: Frost cracks and their effect on the stability of birch stands in the Krušné hory Mts. Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Frost cracks which originated in birch due to bending during long- term icing in winter 1995/1996 became the place of entrance for the attack of birch stems by Piptoporus betulinus (Bull. ex Fr.) Karst and subsequently for one of the causes of birch stand disintegration in the Krušné hory Mts. The hypothesis is substantiated on the basis of regularities of the frost crack dispersion in the stem profile, frequency of occurrence related to the stand age, altitude and cardinal points. The number of frost cracks increased with the transect profile altitude 700--850 m. One crack on the birch stem predominated (73%) while the higher number of frost cracks occurred at altitudes 800 m. In stands younger than 20 years, frost crack damage was higher (34--47%) than in older stands (14%). Frost cracks occurred in the lower part of stems with the highest bending stress. Frost cracks which originated in birch due to bending during long- term icing in winter 1995/1996 became the place of entrance for the attack of birch stems by Piptoporus betulinus (Bull. ex Fr.) Karst and subsequently for one of the causes of birch stand disintegration in the Krušné hory Mts. The hypothesis is substantiated on the basis of regularities of the frost crack dispersion in the stem profile, frequency of occurrence related to the stand age, altitude and cardinal points. The number of frost cracks increased with the transect profile altitude 700--850 m. One crack on the birch stem predominated (73%) while the higher number of frost cracks occurred at altitudes 800 m. In stands younger than 20 years, frost crack damage was higher (34--47%) than in older stands (14%). Frost cracks occurred in the lower part of stems with the highest bending stress. (en) Hypotéza. že mrazové trhliny, které vnikly na bříze v důsledku ohnutí při dlouhodobé námraze v zimě 1995/1996 se staly vstupním místem pro napadení kmene březovníkem obecným (Piptoporus betulinus (Bull. ex Fr.) Karst a následně jednou z příčin rozpadu porostů břízy ve vyšších polohách Krušných hor je zdůvodněna na základě stanovené zákonitosti disperze mrazových trhlin v profilu kmene, četnosti výskytu v závislosti na věku porostu, nadmořské výšce, světových stranách. (cs)
Title	Frost cracks and their effect on the stability of birch stands in the Krušné hory Mts. Mrazové trhliny a jejich vliv na stabilitu březových porostů v Krušných horách (cs) Frost cracks and their effect on the stability of birch stands in the Krušné hory Mts. (en)
skos:prefLabel	Frost cracks and their effect on the stability of birch stands in the Krušné hory Mts. Mrazové trhliny a jejich vliv na stabilitu březových porostů v Krušných horách (cs) Frost cracks and their effect on the stability of birch stands in the Krušné hory Mts. (en)
skos:notation	RIV/62156489:43410/06:00096795!RIV07-MSM-43410___
http://linked.open.../vavai/riv/strany	348;356
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6215648902)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Buchta, Ivan Kula, Emanuel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Mendelova univerzita v Brně / Lesnická a dřevařská fakulta
http://linked.open...dnocenehoVysledku	476418
http://linked.open...ai/riv/idVysledku	RIV/62156489:43410/06:00096795
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Betula pendula; Krušné hory Mts.; Piptoporus betulinus; frost cracks; icing (en)
http://linked.open.../riv/klicoveSlovo	icing frost cracks Krušné hory Mts. Betula pendula Piptoporus betulinus
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[5133CFF74BB7]
http://linked.open...i/riv/nazevZdroje	Journal of Forest Science
http://linked.open...in/vavai/riv/obor	GK
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	52
http://linked.open...iv/tvurceVysledku	Kula, Emanuel Stránský, Pavel Buchta, Ivan
http://linked.open...n/vavai/riv/zamer	Forest and Wood: the support of functionally integrated forest management and use of wood as a renewable raw material
issn	1212-4834
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	43410

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