About: Cannibalism, optimal egg size and vulnerable developmental stages in insect predators

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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	Cannibalism in insect predators is widely reported and commented on. However, the reasons for the high levels of cannibalism observed, the vulnerability of certain developmental stages, and its adaptive significance is poorly understood. Here we show that unlike in parasitoids there could be advantages for a predator in laying many small eggs, rather than fewer large eggs. The temporal incidence of cannibalism within a patch is possibly a consequence of changes in the ratio of predator to prey numbers and/or changes in the vulnerability of the developmental stages of the predator. Cannibalism is advantageous for cannibals because conspecifics are a rich source of food for larval development or egg production, and it reduces intraspecific competition. Adults reduce the cannibalism of their offspring by not ovipositing in patches of prey where conspecific larvae are present. Cannibalism in insect predators is widely reported and commented on. However, the reasons for the high levels of cannibalism observed, the vulnerability of certain developmental stages, and its adaptive significance is poorly understood. Here we show that unlike in parasitoids there could be advantages for a predator in laying many small eggs, rather than fewer large eggs. The temporal incidence of cannibalism within a patch is possibly a consequence of changes in the ratio of predator to prey numbers and/or changes in the vulnerability of the developmental stages of the predator. Cannibalism is advantageous for cannibals because conspecifics are a rich source of food for larval development or egg production, and it reduces intraspecific competition. Adults reduce the cannibalism of their offspring by not ovipositing in patches of prey where conspecific larvae are present. (en)
Title	Cannibalism, optimal egg size and vulnerable developmental stages in insect predators Cannibalism, optimal egg size and vulnerable developmental stages in insect predators (en)
skos:prefLabel	Cannibalism, optimal egg size and vulnerable developmental stages in insect predators Cannibalism, optimal egg size and vulnerable developmental stages in insect predators (en)
skos:notation	RIV/67179843:_____/12:00390516!RIV13-AV0-67179843
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED1.1.00/02.0073)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kindlmann, Pavel Dixon, Anthony F. G.
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	125927
http://linked.open...ai/riv/idVysledku	RIV/67179843:_____/12:00390516
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	adaptive significance; Coccinellidae; fitness; selection; fitness; survival (en)
http://linked.open.../riv/klicoveSlovo	adaptive significance Coccinellidae selection survival fitness
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[607FAC5C3D14]
http://linked.open...i/riv/nazevZdroje	European Journal of Environmental Sciences
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	CzechGlobe - Center for Global Climate Change Impacts Studies
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	2
http://linked.open...iv/tvurceVysledku	Dixon, Anthony F. G. Kindlmann, Pavel
issn	1805-0174
number of pages	5 (xsd:int)

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