About: Adaptive foraging does not always lead to more complex food webs

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Recent modeling studies exploring the effect of consumers' adaptivity in diet composition on food web complexity invariably suggest that adaptivity in foraging decisions of consumers makes food webs more complex. That is, it allows for survival of a higher number of species when compared with non-adaptive food webs. Population-dynamical models in these studies share two features: parameters are chosen uniformly for all species, i.e. they are species-independent, and adaptive foraging is described by the search image model. In this article, we relax both these assumptions. Specifically, we allow parameters to vary among the species and consider the diet choice model as an alternative model of adaptive foraging. Our analysis leads to three important predictions. First, for species-independent parameter values for which the search image model demonstrates a significant effect of adaptive foraging on food web complexity, the diet choice model produces no such effect. Second, the effect of adaptive fo Recent modeling studies exploring the effect of consumers' adaptivity in diet composition on food web complexity invariably suggest that adaptivity in foraging decisions of consumers makes food webs more complex. That is, it allows for survival of a higher number of species when compared with non-adaptive food webs. Population-dynamical models in these studies share two features: parameters are chosen uniformly for all species, i.e. they are species-independent, and adaptive foraging is described by the search image model. In this article, we relax both these assumptions. Specifically, we allow parameters to vary among the species and consider the diet choice model as an alternative model of adaptive foraging. Our analysis leads to three important predictions. First, for species-independent parameter values for which the search image model demonstrates a significant effect of adaptive foraging on food web complexity, the diet choice model produces no such effect. Second, the effect of adaptive fo (en)
Title	Adaptive foraging does not always lead to more complex food webs Adaptive foraging does not always lead to more complex food webs (en)
skos:prefLabel	Adaptive foraging does not always lead to more complex food webs Adaptive foraging does not always lead to more complex food webs (en)
skos:notation	RIV/60076658:12310/10:00011876!RIV11-MSM-12310___
http://linked.open...avai/riv/aktivita	I P V Z
http://linked.open...avai/riv/aktivity	I, P(IAA100070601), V, Z(AV0Z50070508)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Berec, Luděk Křivan, Vlastimil Eisner, Jan
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	245388
http://linked.open...ai/riv/idVysledku	RIV/60076658:12310/10:00011876
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Diet choice; Population dynamics; Niche model; Search image; Replicator dynamics (en)
http://linked.open.../riv/klicoveSlovo	Population dynamics Diet choice Niche model Replicator dynamics Search image
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[0CCFA82CD556]
http://linked.open...i/riv/nazevZdroje	Journal of Theoretical Biology
http://linked.open...in/vavai/riv/obor	BA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Mathematical models of biological networks
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	266
http://linked.open...iv/tvurceVysledku	Berec, Luděk Eisner, Jan Křivan, Vlastimil
http://linked.open...ain/vavai/riv/wos	000281127800001
http://linked.open...n/vavai/riv/zamer	Study of the regulation of insect organism, dynamics of insect populations and function of insects in ecosystems
issn	0022-5193
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	12310

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