About: Can plant community ordinations be affected by various sample plot sizes in grasslands?

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

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Vegetation samples from plots that are stored in phytosociological databases often differ by one or two orders of magnitude in size, even within a single vegetation type. This fact may influence vegetation analysis, but the extent of this possible influence has not been investigated so far. The effect of sample plot size on ordination results was investigated in grassland vegetation in southern Moravia (Czech Republic), using data from nested plots of 1, 4, 16, 25 and 49 m2, placed along two ecological gradients: long gradient (including different vegetation types and various climatic condition in a larger area) and short gradient (small area with a floristically homogeneous vegetation type). In both gradients the smallest plot sizes showed the most deviating patterns in ordinations, while samples of larger sizes gave similar results. The transformation of percentage cover also affected the results, more so when samples were collected along short ecological gradient. Samples differing in size by one o Vegetation samples from plots that are stored in phytosociological databases often differ by one or two orders of magnitude in size, even within a single vegetation type. This fact may influence vegetation analysis, but the extent of this possible influence has not been investigated so far. The effect of sample plot size on ordination results was investigated in grassland vegetation in southern Moravia (Czech Republic), using data from nested plots of 1, 4, 16, 25 and 49 m2, placed along two ecological gradients: long gradient (including different vegetation types and various climatic condition in a larger area) and short gradient (small area with a floristically homogeneous vegetation type). In both gradients the smallest plot sizes showed the most deviating patterns in ordinations, while samples of larger sizes gave similar results. The transformation of percentage cover also affected the results, more so when samples were collected along short ecological gradient. Samples differing in size by one o (en) Analýzy vegetačních snímků jsou ovlivněny velikosti, na které tyto byly zapsány. Výsledky ukazují, že ordinace jsou různými velikostmi velmi ovlivněné. (cs)
Title	Can plant community ordinations be affected by various sample plot sizes in grasslands? Can plant community ordinations be affected by various sample plot sizes in grasslands? (en) Mohou být ordinace lučních společenstev ovlivněny velikostí ploch? (cs)
skos:prefLabel	Can plant community ordinations be affected by various sample plot sizes in grasslands? Can plant community ordinations be affected by various sample plot sizes in grasslands? (en) Mohou být ordinace lučních společenstev ovlivněny velikostí ploch? (cs)
skos:notation	RIV/00216224:14310/05:00013167!RIV06-MSM-14310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/05/0020), Z(MSM0021622416)
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Otýpková, Zdenka
http://linked.open.../riv/druhVysledku	M - Uspořádání (zorganizování) konference
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	514399
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/05:00013167
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	plot size; phytosociology; PCA DCA; Procrustes analysis (en)
http://linked.open.../riv/klicoveSlovo	phytosociology plot size PCA DCA Procrustes analysis
http://linked.open...ontrolniKodProRIV	[CBB0A26FF252]
http://linked.open...v/mistoKonaniAkce	Vienna
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
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http://linked.open...ocetUcastnikuAkce	4000 (xsd:int)
http://linked.open...nichUcastnikuAkce	3900 (xsd:int)
http://linked.open...vavai/riv/projekt	Vegetation of the Czech Republic: formalized typology, monograph and expert system
http://linked.open...UplatneniVysledku	2005
http://linked.open...iv/statKonaniAkce	AT - Rakouská republika
http://linked.open...iv/tvurceVysledku	Otýpková, Zdenka
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/ukonceniAkce	2005-07-23 (xsd:date)
http://linked.open.../riv/zahajeniAkce	2005-07-17 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Diversity of Biotic Communities and Populations: Causal Analysis of variation in space and time
http://localhost/t...ganizacniJednotka	14310

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