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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F12%3A10129527%21RIV13-AV0-11310___
rdf:type
n15:Vysledek skos:Concept
rdfs:seeAlso
http://botany.natur.cuni.cz/neustupa/neustupa-et-al-2012.pdf
dcterms:description
Significant spatial variation in species composition of microphytobenthos often occurs at scales of decimetres. This microscale variation is typically more connected with dispersal-related events than to environmental factors. In this study, 4 micro-scale transects were delimited at 4 temperate lowland peat bog localities to investigate spatial and temporal microscale variations in benthic desmids (Desmidiales, Viridiplantae). Significant spatial autocorrelation was detected in most of the transects taken 3 times, in September and December 2010 and March 2011. The relative abundance of species data produced more pronounced spatial patterns than the presence-absence data. Spatial autocorrelation mostly decreased during the winter period, possibly due to meteorological disturbances, resulting in less spatially structured phytobenthic community in the March transects. In most cases, spatial distance accounted for a significant part of the variation in a community structure, even in analyses that controlled for the effects of environmental and temporal factors. This indicated that pure spatial factors should be considered important for structuring phytobenthic communities, even across a temporal time span of 6 months. The reduced data sets that included only 25 % of the most frequented species produced very similar patterns in spatial and temporal autocorrelation as the full data sets. Consequently, we concluded that microscale variation of benthic desmids may be sufficiently represented by dynamics of the common species. Significant spatial variation in species composition of microphytobenthos often occurs at scales of decimetres. This microscale variation is typically more connected with dispersal-related events than to environmental factors. In this study, 4 micro-scale transects were delimited at 4 temperate lowland peat bog localities to investigate spatial and temporal microscale variations in benthic desmids (Desmidiales, Viridiplantae). Significant spatial autocorrelation was detected in most of the transects taken 3 times, in September and December 2010 and March 2011. The relative abundance of species data produced more pronounced spatial patterns than the presence-absence data. Spatial autocorrelation mostly decreased during the winter period, possibly due to meteorological disturbances, resulting in less spatially structured phytobenthic community in the March transects. In most cases, spatial distance accounted for a significant part of the variation in a community structure, even in analyses that controlled for the effects of environmental and temporal factors. This indicated that pure spatial factors should be considered important for structuring phytobenthic communities, even across a temporal time span of 6 months. The reduced data sets that included only 25 % of the most frequented species produced very similar patterns in spatial and temporal autocorrelation as the full data sets. Consequently, we concluded that microscale variation of benthic desmids may be sufficiently represented by dynamics of the common species.
dcterms:title
Spatio-temporal community structure of peat bog benthic desmids on a microscale Spatio-temporal community structure of peat bog benthic desmids on a microscale
skos:prefLabel
Spatio-temporal community structure of peat bog benthic desmids on a microscale Spatio-temporal community structure of peat bog benthic desmids on a microscale
skos:notation
RIV/00216208:11310/12:10129527!RIV13-AV0-11310___
n15:predkladatel
n16:orjk%3A11310
n4:aktivita
n5:S n5:P n5:I
n4:aktivity
I, P(KJB601110921), S
n4:cisloPeriodika
2
n4:dodaniDat
n14:2013
n4:domaciTvurceVysledku
n17:2896729 n17:6761488 n17:5414121
n4:druhVysledku
n21:J
n4:duvernostUdaju
n20:S
n4:entitaPredkladatele
n19:predkladatel
n4:idSjednocenehoVysledku
170191
n4:idVysledku
RIV/00216208:11310/12:10129527
n4:jazykVysledku
n10:eng
n4:klicovaSlova
spatial structure; peat bogs; microphytobenthos; microscale; Desmidiales
n4:klicoveSlovo
n6:Desmidiales n6:microphytobenthos n6:microscale n6:peat%20bogs n6:spatial%20structure
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[F2A696096018]
n4:nazevZdroje
Aquatic Ecology
n4:obor
n12:EH
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
3
n4:projekt
n9:KJB601110921
n4:rokUplatneniVysledku
n14:2012
n4:svazekPeriodika
46
n4:tvurceVysledku
Neustupa, Jiří Šťastný, Jan Černá, Kateřina
n4:wos
000304693800007
s:issn
1386-2588
s:numberOfPages
11
n13:doi
10.1007/s10452-012-9394-z
n8:organizacniJednotka
11310