How territorial animals compete for divisible space: a learning-based model with unequal competitors

The American Naturalist
J A Stamps, V V Krishnan

Abstract

It is widely assumed that aggressive behavior affects space acquisition in territorial species, but to date most workers have focused on competition for indivisible space, that is, space that cannot be divided or shared. We present a learning-based model that investigates the effects of aggressive interactions on space acquisition when unequal competitors arrive and settle in patches of divisible space. This model assumes that aggressive interactions act as punishment, in the sense that previous aggressive interactions in a given area reduce an individual's likelihood of returning to that area. Individually based, spatially explicit simulations incorporating this and other assumptions were used to investigate the effects of different types of aggressive interactions on the space use of individuals and dyads settling in divisible space. At the individual level, final space use was related to the amount of punishment that individuals inflicted on their opponents during aggressive interactions; in general, highly aggressive individuals acquired larger, more exclusive home ranges than less aggressive individuals. At the dyadic level, the division or sharing of space between competitors depended on both the relative and absolute pun...Continue Reading

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Citations

Jul 23, 2004·Nature·Patricia R Y Backwell, Michael D Jennions
Oct 2, 2013·Proceedings of the National Academy of Sciences of the United States of America·Luca GiuggioliSimon A Levin
Nov 17, 2010·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Judy A Stamps, Ton G G Groothuis
Nov 16, 2010·Biological Reviews of the Cambridge Philosophical Society·María del Mar DelgadoHanna Kokko
Jul 15, 2003·The American Naturalist·Michael Mesterton-Gibbons, Eldridge S Adams
Oct 15, 2005·The American Naturalist·Andrés López-Sepulcre, Hanna Kokko
May 11, 2006·The American Naturalist·Hanna KokkoLesley J Morrell
Jul 29, 2006·The American Naturalist·A Kristopher LappinDarrell J Kemp
Nov 18, 2003·The American Naturalist·Frederick R Adler, Deborah M Gordon
Mar 26, 2003·The American Naturalist·Henrique M PereiraJoan Roughgarden
Dec 23, 2006·The Journal of Animal Ecology·Rouven SchmidtMarc Naguib
Nov 7, 2009·The Journal of Animal Ecology·Valentin Amrhein, Sabine Lerch
Feb 1, 2015·Hormones and Behavior·Michael H Ferkin
Mar 19, 2016·Journal of Evolutionary Biology·D HareB Blossey
Mar 11, 2017·Royal Society Open Science·H L Clark, P R Y Backwell
Feb 13, 2019·PloS One·Tilman Hartley
Jan 22, 2020·American Journal of Primatology·Clara J Scarry
Nov 1, 2020·Ecology·Erik G Noonburg, Rindy C Anderson

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