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Effects of trail gradient on leaf tissue transport and load size selection in leaf-cutter ants

Abstract:

Leaf-cutter ants in the genus Atta are frequent model organisms in studies of central-place foraging. Workers carry leaf fragments from the foraging site to the nest. Larger workers carry heavier loads, but it has been noted repeatedly that workers typically carry fragments lower in mass than appropriate to maximize leaf tissue transport. Here, we suggest and test a previously unconsidered explanation for this discrepancy. Previous calculations of rate-maximizing load sizes have been based on...

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Publication status:
Published

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Publisher copy:
10.1093/beheco/arn032

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Zoology
Czaczkes, TJ More by this author
Journal:
BEHAVIORAL ECOLOGY
Volume:
19
Issue:
4
Pages:
805-809
Publication date:
2008
DOI:
EISSN:
1465-7279
ISSN:
1045-2249
URN:
uuid:56a70592-fd2c-4296-a8e4-3642b8e618f5
Source identifiers:
2742
Local pid:
pubs:2742

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