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How ants use quorum sensing to estimate the average quality of a fluctuating resource.


ABSTRACT: We show that one of the advantages of quorum-based decision-making is an ability to estimate the average value of a resource that fluctuates in quality. By using a quorum threshold, namely the number of ants within a new nest site, to determine their choice, the ants are in effect voting with their feet. Our results show that such quorum sensing is compatible with homogenization theory such that the average value of a new nest site is determined by ants accumulating within it when the nest site is of high quality and leaving when it is poor. Hence, the ants can estimate a surprisingly accurate running average quality of a complex resource through the use of extraordinarily simple procedures.

SUBMITTER: Franks NR 

PROVIDER: S-EPMC4495386 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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How ants use quorum sensing to estimate the average quality of a fluctuating resource.

Franks Nigel R NR   Stuttard Jonathan P JP   Doran Carolina C   Esposito Julian C JC   Master Maximillian C MC   Sendova-Franks Ana B AB   Masuda Naoki N   Britton Nicholas F NF  

Scientific reports 20150708


We show that one of the advantages of quorum-based decision-making is an ability to estimate the average value of a resource that fluctuates in quality. By using a quorum threshold, namely the number of ants within a new nest site, to determine their choice, the ants are in effect voting with their feet. Our results show that such quorum sensing is compatible with homogenization theory such that the average value of a new nest site is determined by ants accumulating within it when the nest site  ...[more]

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