About: The Movement Patterns of Austropotamobius torrentium and Astacus astacus: Is a Stony Step a Barrier?

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About: The Movement Patterns of Austropotamobius torrentium and Astacus astacus: Is a Stony Step a Barrier? Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://iz.carnegiemnh.org/crayfish/iaa/fc19_toc.htm
Description	Austropotamobius torrentium and Astacus astacus ) are endangered crayfish species in Europe. Artificial barriers represent one option for halting the spread of nonnative crayfish species. In Bzovský Stream (Czech Republic, Central Bohemia) the streambed contains stony steps placed to decrease the flow of water. Two stony steps (60 cm and 110 cm high) were evaluated as a movement barrier for crayfish. At the area of confluence of Bzovský and Stroupinský streams, 1887 crayfish were marked with a visible implanted elastomer, whereas 56 recaptured crayfish were marked in Bzovský Stream. In a four-year mark-recapture study, we showed that A. torrentium was able to cross a step 60 cm high and that both A. torrentium and A. astacus were able to cross a perpendicular stony step 110 cm high. These results show that these stony steps do not act as strong movement barriers for crayfish in streams. However, the ability of crayfish to move across a concrete barrier appears to depend on the design of the barrier. Austropotamobius torrentium and Astacus astacus ) are endangered crayfish species in Europe. Artificial barriers represent one option for halting the spread of nonnative crayfish species. In Bzovský Stream (Czech Republic, Central Bohemia) the streambed contains stony steps placed to decrease the flow of water. Two stony steps (60 cm and 110 cm high) were evaluated as a movement barrier for crayfish. At the area of confluence of Bzovský and Stroupinský streams, 1887 crayfish were marked with a visible implanted elastomer, whereas 56 recaptured crayfish were marked in Bzovský Stream. In a four-year mark-recapture study, we showed that A. torrentium was able to cross a step 60 cm high and that both A. torrentium and A. astacus were able to cross a perpendicular stony step 110 cm high. These results show that these stony steps do not act as strong movement barriers for crayfish in streams. However, the ability of crayfish to move across a concrete barrier appears to depend on the design of the barrier. (en)
Title	The Movement Patterns of Austropotamobius torrentium and Astacus astacus: Is a Stony Step a Barrier? The Movement Patterns of Austropotamobius torrentium and Astacus astacus: Is a Stony Step a Barrier? (en)
skos:prefLabel	The Movement Patterns of Austropotamobius torrentium and Astacus astacus: Is a Stony Step a Barrier? The Movement Patterns of Austropotamobius torrentium and Astacus astacus: Is a Stony Step a Barrier? (en)
skos:notation	RIV/00020711:_____/13:00003759!RIV14-MZP-00020711
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MZP0002071101)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Bílý, Michal
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	Výzkumný ústav vodohospodářský T. G. Masaryka, veřejná výzkumná instituce
http://linked.open...dnocenehoVysledku	89706
http://linked.open...ai/riv/idVysledku	RIV/00020711:_____/13:00003759
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	central Europe; crayfish; mark-recapture; movement; obstacle (en)
http://linked.open.../riv/klicoveSlovo	obstacle central Europe movement crayfish mark-recapture
http://linked.open...odStatuVydavatele	AT - Rakouská republika
http://linked.open...ontrolniKodProRIV	[52B93C07BF11]
http://linked.open...i/riv/nazevZdroje	Freshwater Crayfish
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	19
http://linked.open...iv/tvurceVysledku	Bílý, Michal Římalová- Kadlecová, Kateřina
http://linked.open...n/vavai/riv/zamer	Research and Protection of the Hydrosphere – research of relations and processes in the aquatic component of the environment, with particular focus on the impact of anthropogenic pressures and on the sustainable use and protection, including legislative
issn	2076-4324
number of pages	6 (xsd:int)

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