Individual foraging in the ant pachycondyla apicalis
A model of individual foraging in social insects is presented that formalises the dynamics of foraging and concentrates on the collective rather than the individual benefit, quantifying the relationship between a colony's foraging area, number of foragers and foraging energy budget and the food sources' rate of arrival, disappearanceand capture. A series of experiments, in which a numberof prey were offered to colonies of the individually foraging ant Pachycondyla (ex-Neoponera) apicalis confirm the hypotheses implicit in the model and measured the rates of capture and competition. 60 days observation of 3 P. apicalis colonies' foraging activity are summarised and used inconjunction with the model to obtain estimations of the density and rate of arrival of available prey in the foraging area. We examine how a colony's foraging benefit may be influenced by its foraging area, the number of foragers, and the forager/non-forager ratio and show that a colony's social structure strongly limits its potential foraging benefit. Within these limits, P. apicalis does not appear to be an optimal forager. (Abstract provided by author.)
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Subjects: | Pachycondyla apicalis, Hormigas, Forrajeo, Ecología animal, Artfrosur, |
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KOHA-OAI-ECOSUR:187542024-03-12T12:44:07ZIndividual foraging in the ant pachycondyla apicalis Valenzuela González, Jorge Ernesto autor/a 14984 Fresneau, Dominique Doctor autor/a 20532 Lachaud, Jean Paul Doctor autor/a 2090 textengA model of individual foraging in social insects is presented that formalises the dynamics of foraging and concentrates on the collective rather than the individual benefit, quantifying the relationship between a colony's foraging area, number of foragers and foraging energy budget and the food sources' rate of arrival, disappearanceand capture. A series of experiments, in which a numberof prey were offered to colonies of the individually foraging ant Pachycondyla (ex-Neoponera) apicalis confirm the hypotheses implicit in the model and measured the rates of capture and competition. 60 days observation of 3 P. apicalis colonies' foraging activity are summarised and used inconjunction with the model to obtain estimations of the density and rate of arrival of available prey in the foraging area. We examine how a colony's foraging benefit may be influenced by its foraging area, the number of foragers, and the forager/non-forager ratio and show that a colony's social structure strongly limits its potential foraging benefit. Within these limits, P. apicalis does not appear to be an optimal forager. (Abstract provided by author.)Encuadernado con : una copia del manuscrito original aprobado para su publicaciónA model of individual foraging in social insects is presented that formalises the dynamics of foraging and concentrates on the collective rather than the individual benefit, quantifying the relationship between a colony's foraging area, number of foragers and foraging energy budget and the food sources' rate of arrival, disappearanceand capture. A series of experiments, in which a numberof prey were offered to colonies of the individually foraging ant Pachycondyla (ex-Neoponera) apicalis confirm the hypotheses implicit in the model and measured the rates of capture and competition. 60 days observation of 3 P. apicalis colonies' foraging activity are summarised and used inconjunction with the model to obtain estimations of the density and rate of arrival of available prey in the foraging area. We examine how a colony's foraging benefit may be influenced by its foraging area, the number of foragers, and the forager/non-forager ratio and show that a colony's social structure strongly limits its potential foraging benefit. Within these limits, P. apicalis does not appear to be an optimal forager. (Abstract provided by author.)Pachycondyla apicalisHormigasForrajeoEcología animalArtfrosurOecología |
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Pachycondyla apicalis Hormigas Forrajeo Ecología animal Artfrosur Pachycondyla apicalis Hormigas Forrajeo Ecología animal Artfrosur |
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Pachycondyla apicalis Hormigas Forrajeo Ecología animal Artfrosur Pachycondyla apicalis Hormigas Forrajeo Ecología animal Artfrosur Valenzuela González, Jorge Ernesto autor/a 14984 Fresneau, Dominique Doctor autor/a 20532 Lachaud, Jean Paul Doctor autor/a 2090 Individual foraging in the ant pachycondyla apicalis |
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A model of individual foraging in social insects is presented that formalises the dynamics of foraging and concentrates on the collective rather than the individual benefit, quantifying the relationship between a colony's foraging area, number of foragers and foraging energy budget and the food sources' rate of arrival, disappearanceand capture. A series of experiments, in which a numberof prey were offered to colonies of the individually foraging ant Pachycondyla (ex-Neoponera) apicalis confirm the hypotheses implicit in the model and measured the rates of capture and competition. 60 days observation of 3 P. apicalis colonies' foraging activity are summarised and used inconjunction with the model to obtain estimations of the density and rate of arrival of available prey in the foraging area. We examine how a colony's foraging benefit may be influenced by its foraging area, the number of foragers, and the forager/non-forager ratio and show that a colony's social structure strongly limits its potential foraging benefit. Within these limits, P. apicalis does not appear to be an optimal forager. (Abstract provided by author.) |
format |
Texto |
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Pachycondyla apicalis Hormigas Forrajeo Ecología animal Artfrosur |
author |
Valenzuela González, Jorge Ernesto autor/a 14984 Fresneau, Dominique Doctor autor/a 20532 Lachaud, Jean Paul Doctor autor/a 2090 |
author_facet |
Valenzuela González, Jorge Ernesto autor/a 14984 Fresneau, Dominique Doctor autor/a 20532 Lachaud, Jean Paul Doctor autor/a 2090 |
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Valenzuela González, Jorge Ernesto autor/a 14984 |
title |
Individual foraging in the ant pachycondyla apicalis |
title_short |
Individual foraging in the ant pachycondyla apicalis |
title_full |
Individual foraging in the ant pachycondyla apicalis |
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Individual foraging in the ant pachycondyla apicalis |
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Individual foraging in the ant pachycondyla apicalis |
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individual foraging in the ant pachycondyla apicalis |
work_keys_str_mv |
AT valenzuelagonzalezjorgeernestoautora14984 individualforagingintheantpachycondylaapicalis AT fresneaudominiquedoctorautora20532 individualforagingintheantpachycondylaapicalis AT lachaudjeanpauldoctorautora2090 individualforagingintheantpachycondylaapicalis |
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