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What factors contribute to an ownership advantage?
journal contribution
posted on 2023-05-16, 23:38 authored by Fayed, SA, Jennions, MD, Blackwell, PRYIn most taxa, owners win fights when defending a territory against intruders. We calculated effect sizes for four factors that potentially contribute to an ‘owner advantage’. We studied male fiddler crabs Uca mjoebergi, where owners won 92% of natural fights. Owners were not more successful because they were inherently better fighters (r=0.02). There was a small effect (r=0.18) of the owner's knowledge of territory quality (food availability) and a medium effect (r=0.29) of his having established relations with neighbours (duration of active tenure), but neither was statistically significant. There was, however, a significant effect due to the mechanical advantage the owner gained through access to the burrow during fights (r=0.48, p<0.005.
History
Publication title
Biology LettersVolume
4Pagination
143-145ISSN
1744-9561Department/School
School of Geography, Planning and Spatial SciencesPublisher
The Royal SocietyPlace of publication
London, EnglandRepository Status
- Restricted