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Colour polymorphism protects prey individuals and populations against predation
Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).
Åbo Akademi University, Finland.
Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).ORCID-id: 0000-0001-9598-7618
2016 (engelsk)Inngår i: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 6, artikkel-id 22122Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Colour pattern polymorphism in animals can influence and be influenced by interactions between predators and prey. However, few studies have examined whether polymorphism is adaptive, and there is no evidence that the co-occurrence of two or more natural prey colour variants can increase survival of populations. Here we show that visual predators that exploit polymorphic prey suffer from reduced performance, and further provide rare evidence in support of the hypothesis that prey colour polymorphism may afford protection against predators for both individuals and populations. This protective effect provides a probable explanation for the longstanding, evolutionary puzzle of the existence of colour polymorphisms. We also propose that this protective effect can provide an adaptive explanation for search image formation in predators rather than search image formation explaining polymorphism.

sted, utgiver, år, opplag, sider
2016. Vol. 6, artikkel-id 22122
HSV kategori
Forskningsprogram
Ekologi, Evolutionsbiologi
Identifikatorer
URN: urn:nbn:se:lnu:diva-50890DOI: 10.1038/srep22122ISI: 000370687100001PubMedID: 26902799Scopus ID: 2-s2.0-84959096679OAI: oai:DiVA.org:lnu-50890DiVA, id: diva2:912511
Tilgjengelig fra: 2016-03-16 Laget: 2016-03-16 Sist oppdatert: 2017-11-30bibliografisk kontrollert

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