About: Size does not always matter: different foraging tactics and the ideal free distribution in two competing fish species

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About: Size does not always matter: different foraging tactics and the ideal free distribution in two competing fish species Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Size does not always matter: different foraging tactics and the ideal free distribution in two competing fish species (cs) We study effects of intra- and inter-specific competition on spatial distribution of two fish species (white cloud mountain minnow {Tanichthys albonubes} and giant danio {Danio aequipinnatus}) in an aquarium with two feeding sites. When alone, each species distributed between the sites in the ratio of food supply rates, conforming with the Parker's matching rule. When together, the distribution of the smaller species (minnow) still followed the matching rule but the larger fish (danio) selected the feeding site with lower food supply rate disproportionately more often relative to the single-species experiment. Hence, intraspecific competition did not affect feeding site preferences in any species, yet the interspecific competition between minnow and danio was asymmetric, minnow having been the dominant competitor. Diverse foraging tactics may have evoked this asymmetry: we observed that the time to reach a food item was shorter for minnow which also stayed closer to a feeding site. Sur We study effects of intra- and inter-specific competition on spatial distribution of two fish species (white cloud mountain minnow {Tanichthys albonubes} and giant danio {Danio aequipinnatus}) in an aquarium with two feeding sites. When alone, each species distributed between the sites in the ratio of food supply rates, conforming with the Parker's matching rule. When together, the distribution of the smaller species (minnow) still followed the matching rule but the larger fish (danio) selected the feeding site with lower food supply rate disproportionately more often relative to the single-species experiment. Hence, intraspecific competition did not affect feeding site preferences in any species, yet the interspecific competition between minnow and danio was asymmetric, minnow having been the dominant competitor. Diverse foraging tactics may have evoked this asymmetry: we observed that the time to reach a food item was shorter for minnow which also stayed closer to a feeding site. Sur (en)
Title	Size does not always matter: different foraging tactics and the ideal free distribution in two competing fish species Size does not always matter: different foraging tactics and the ideal free distribution in two competing fish species (en) Size does not always matter: different foraging tactics and the ideal free distribution in two competing fish species (cs)
skos:prefLabel	Size does not always matter: different foraging tactics and the ideal free distribution in two competing fish species Size does not always matter: different foraging tactics and the ideal free distribution in two competing fish species (en) Size does not always matter: different foraging tactics and the ideal free distribution in two competing fish species (cs)
skos:notation	RIV/60076658:12310/06:00006854!RIV07-MSM-12310___
http://linked.open.../vavai/riv/strany	929-942
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6007665801)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Berec, Luděk Berec, Michal Křivan, Vlastimil
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	Jihočeská univerzita v Českých Budějovicích / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	499580
http://linked.open...ai/riv/idVysledku	RIV/60076658:12310/06:00006854
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	adaptive foraging; allopatry; asymmetric competition; interspecific competition; resource matching (en)
http://linked.open.../riv/klicoveSlovo	adaptive foraging resource matching allopatry interspecific competition asymmetric competition
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[60A8056872DC]
http://linked.open...i/riv/nazevZdroje	Evolutionary Ecology Research
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Berec, Michal Berec, Luděk Křivan, Vlastimil
http://linked.open...n/vavai/riv/zamer	EKOLOGICKÉ, EVOLUČNÍ A EXPERIMENTÁLNĚ BIOLOGICKÉ PŘÍSTUPY KE STUDIU VZNIKU A VÝZNAMU BIODIVERZITY
issn	1522-0613
number of pages	13 (xsd:int)
http://localhost/t...ganizacniJednotka	12310

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