About: Predation of the alien American mink Mustela vison on native crayfish populations in middle-sized streams in central and western Bohemia

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About: Predation of the alien American mink Mustela vison on native crayfish populations in middle-sized streams in central and western Bohemia Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The impact of predation by alien American mink (Mustela vison) on endangered stone crayfish (Austropotamobius torrentium) was examined in middle-sized streams in central and western Bohemia. The most frequent food source of the American mink were crustaceans, followed by mammals, amphibians and fish. Crustaceans consisted entirely of one species, the stone crayfish, which was represented in 82% of all collected mink droppings. The identification of predation of the American mink on stone crayfish was based on the collection of prey remains during the period monitored. Predation rates at particular localities were highly variable (0.85–21.5%, averag = 7.4%), and decreased significantly in winter periods. The use of crayfish seems to reflect their spatial availability, suggested by the good correspondence between the population density and the number of prey remains. This study suggests that alien mink could be an important mortality factor for stone crayfish populations on a local scale. The impact of predation by alien American mink (Mustela vison) on endangered stone crayfish (Austropotamobius torrentium) was examined in middle-sized streams in central and western Bohemia. The most frequent food source of the American mink were crustaceans, followed by mammals, amphibians and fish. Crustaceans consisted entirely of one species, the stone crayfish, which was represented in 82% of all collected mink droppings. The identification of predation of the American mink on stone crayfish was based on the collection of prey remains during the period monitored. Predation rates at particular localities were highly variable (0.85–21.5%, averag = 7.4%), and decreased significantly in winter periods. The use of crayfish seems to reflect their spatial availability, suggested by the good correspondence between the population density and the number of prey remains. This study suggests that alien mink could be an important mortality factor for stone crayfish populations on a local scale. (en)
Title	Predation of the alien American mink Mustela vison on native crayfish populations in middle-sized streams in central and western Bohemia Predation of the alien American mink Mustela vison on native crayfish populations in middle-sized streams in central and western Bohemia (en)
skos:prefLabel	Predation of the alien American mink Mustela vison on native crayfish populations in middle-sized streams in central and western Bohemia Predation of the alien American mink Mustela vison on native crayfish populations in middle-sized streams in central and western Bohemia (en)
skos:notation	RIV/67179843:_____/09:00372214!RIV12-AV0-67179843
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z60870520), Z(MSM6007665801)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Sedláček, František Šálek, Martin
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	Centrum výzkumu globální změny AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	335420
http://linked.open...ai/riv/idVysledku	RIV/67179843:_____/09:00372214
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mink diet; stone crayfish; prey selectivity; density-dependent predation; Czech Republic (en)
http://linked.open.../riv/klicoveSlovo	stone crayfish Czech Republic mink diet prey selectivity density-dependent predation
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[A01FF6D30103]
http://linked.open...i/riv/nazevZdroje	Folia zoologica
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	58
http://linked.open...iv/tvurceVysledku	Fischer, D. Šálek, Martin Sedláček, František Pavluvčík, P.
http://linked.open...ain/vavai/riv/wos	000264774900006
http://linked.open...n/vavai/riv/zamer	Spatial and functional dynamics of biological, ecological and socio-economic systems interacting with global climatic change EKOLOGICKÉ, EVOLUČNÍ A EXPERIMENTÁLNĚ BIOLOGICKÉ PŘÍSTUPY KE STUDIU VZNIKU A VÝZNAMU BIODIVERZITY
issn	0139-7893
number of pages	10 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Predation of the alien American mink Mustela vison on native crayfish populations in middle-sized streams in central and western Bohemia Predation of the alien American mink Mustela vison on native crayfish populations in middle-sized streams in central and western Bohemia

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