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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F06%3A00015681%21RIV10-MSM-14310___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
Research was carried out to determine aquatic oligochaete habitat preferences in the Rokytna River (Thaya River basin), in the Czech Republic, April 1999-April 2001. Quantitative samples were collected and current velocity and basic physico-chemical variables were measured monthly in four typical habitats in the Rokytna River. During this study, 28, 842 individuals representing 44 oligochaete species or higher taxa were collected. Temporal variability of proportional occurrence of trophic groups found on selected habitats (gathering collectors and grazers) was analysed. Habitat preferences of oligochaete species were evaluated by CANOCO. BOD and nitrate ion concentration were the most important variables explaining the distribution of Oligochaeta along the first axis. Current velocity and presence of oligochaetes associated with the habitat where gravel bars never formed were the most important variables along the second axis. Both axes were correlated with the temperature. Research was carried out to determine aquatic oligochaete habitat preferences in the Rokytna River (Thaya River basin), in the Czech Republic, April 1999-April 2001. Quantitative samples were collected and current velocity and basic physico-chemical variables were measured monthly in four typical habitats in the Rokytna River. During this study, 28, 842 individuals representing 44 oligochaete species or higher taxa were collected. Temporal variability of proportional occurrence of trophic groups found on selected habitats (gathering collectors and grazers) was analysed. Habitat preferences of oligochaete species were evaluated by CANOCO. BOD and nitrate ion concentration were the most important variables explaining the distribution of Oligochaeta along the first axis. Current velocity and presence of oligochaetes associated with the habitat where gravel bars never formed were the most important variables along the second axis. Both axes were correlated with the temperature.
dcterms:title
Habitat preferences of aquatic Oligochaeta (Annelida) in the Rokytná River, Czech Republic - a small highland stream Habitat preferences of aquatic Oligochaeta (Annelida) in the Rokytná River, Czech Republic - a small highland stream
skos:prefLabel
Habitat preferences of aquatic Oligochaeta (Annelida) in the Rokytná River, Czech Republic - a small highland stream Habitat preferences of aquatic Oligochaeta (Annelida) in the Rokytná River, Czech Republic - a small highland stream
skos:notation
RIV/00216224:14310/06:00015681!RIV10-MSM-14310___
n3:aktivita
n9:Z n9:P
n3:aktivity
P(GA206/02/0902), Z(MSM0021622416)
n3:cisloPeriodika
564
n3:dodaniDat
n4:2010
n3:domaciTvurceVysledku
n15:2820714 n15:9622128
n3:druhVysledku
n18:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
477374
n3:idVysledku
RIV/00216224:14310/06:00015681
n3:jazykVysledku
n13:eng
n3:klicovaSlova
Oligochaeta; habitat preferences; distribution pattern; temporal variability; multivariate analysis
n3:klicoveSlovo
n7:distribution%20pattern n7:multivariate%20analysis n7:temporal%20variability n7:habitat%20preferences n7:Oligochaeta
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[002B372B4EC9]
n3:nazevZdroje
Hydrobiologia
n3:obor
n10:EH
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n11:GA206%2F02%2F0902
n3:rokUplatneniVysledku
n4:2006
n3:svazekPeriodika
2006
n3:tvurceVysledku
Helešic, Jan Schenková, Jana
n3:zamer
n17:MSM0021622416
s:issn
0018-8158
s:numberOfPages
9
n14:organizacniJednotka
14310