About: Drift aktivity of macroinvertebrates in an intermittent stream: a case study from the Czech Republic.

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About: Drift aktivity of macroinvertebrates in an intermittent stream: a case study from the Czech Republic. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Study was carried out in warmest and driest part of Czechia in small brook,which dries up every summer.Aim of study was to assess macroinvertebrate drift(i)before and afterdrought,(ii)in relation to bottom abundances and(iii)in relation to seasonal changes of abiotic parameters.Samples were taken by net(mesh size 0.25mm) 3 hours at same time of day in 3 weeks interval(April-October)in 2005.Abundances of animals were standardized to 1000 m3 of water flowed through net.At same time quantitative samples of macroinvertebrates were taken(bottom area 0.1m2,mesh size 0.25mm).Abundances of drifting macroivertebrates increase with precipitations and highest values were observed in short period of flow return between 2 dry periods.Abundance in drift rapidly decreased 6 days before first drought.Numbers of drifting mayflies positively correspond with their numbers in bottom samples.Their abundances in drift and bottom samples decrease before dry periods and after drought they increased gradually. Study was carried out in warmest and driest part of Czechia in small brook,which dries up every summer.Aim of study was to assess macroinvertebrate drift(i)before and afterdrought,(ii)in relation to bottom abundances and(iii)in relation to seasonal changes of abiotic parameters.Samples were taken by net(mesh size 0.25mm) 3 hours at same time of day in 3 weeks interval(April-October)in 2005.Abundances of animals were standardized to 1000 m3 of water flowed through net.At same time quantitative samples of macroinvertebrates were taken(bottom area 0.1m2,mesh size 0.25mm).Abundances of drifting macroivertebrates increase with precipitations and highest values were observed in short period of flow return between 2 dry periods.Abundance in drift rapidly decreased 6 days before first drought.Numbers of drifting mayflies positively correspond with their numbers in bottom samples.Their abundances in drift and bottom samples decrease before dry periods and after drought they increased gradually. (en)
Title	Drift aktivity of macroinvertebrates in an intermittent stream: a case study from the Czech Republic. Drift aktivity of macroinvertebrates in an intermittent stream: a case study from the Czech Republic. (en)
skos:prefLabel	Drift aktivity of macroinvertebrates in an intermittent stream: a case study from the Czech Republic. Drift aktivity of macroinvertebrates in an intermittent stream: a case study from the Czech Republic. (en)
skos:notation	RIV/00216224:14310/07:00022527!RIV11-MSM-14310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021622416)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Krajčová, Jitka Řezníčková, Pavla Zahrádková, Světlana Pařil, Petr Helešic, Jan
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
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	418143
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/07:00022527
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	drift macroinvertebrates intermittent stream (en)
http://linked.open.../riv/klicoveSlovo	drift macroinvertebrates intermittent stream
http://linked.open...ontrolniKodProRIV	[818DFE765483]
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Zahrádková, Světlana Řezníčková, Pavla Pařil, Petr Helešic, Jan Krajčová, Jitka
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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