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Evolutionary conservation advice for despotic populations: Habitat heterogeneity favours conflict and reduces productivity in Seychelles magpie robins

Lopez-Sepulcre, Andres; Kokko, Hanna; Norris, Ken

Description

Individual preferences for good habitat are often thought to have a beneficial stabilizing effect for populations. However, if individuals preferentially compete for better-quality territories, these may become hotspots of conflict.We show that, in an endangered species, this process decreases the productivity of favoured territories to the extent that differences in productivity between territories disappear. Unlike predictions from current demographic theory on site-dependent population...[Show more]

dc.contributor.authorLopez-Sepulcre, Andres
dc.contributor.authorKokko, Hanna
dc.contributor.authorNorris, Ken
dc.date.accessioned2015-12-10T23:06:53Z
dc.identifier.issn0962-8452
dc.identifier.urihttp://hdl.handle.net/1885/62853
dc.description.abstractIndividual preferences for good habitat are often thought to have a beneficial stabilizing effect for populations. However, if individuals preferentially compete for better-quality territories, these may become hotspots of conflict.We show that, in an endangered species, this process decreases the productivity of favoured territories to the extent that differences in productivity between territories disappear. Unlike predictions from current demographic theory on site-dependent population regulation (ideal despotic distribution), we show that population productivity is reduced if resources are distributed unevenly in space. Competition for high-quality habitat can thus have detrimental consequences for populations even though it benefits individuals. Manipulating conflict (e.g. by reducing variation in habitat quality) can therefore prove an effective conservation measure in species with strong social or territorial conflict.
dc.publisherRoyal Society of London
dc.sourceProceedings of the Royal Society of London Series B: Biological Sciences
dc.subjectKeywords: endangered species; evolutionary biology; habitat conservation; habitat quality; habitat selection; heterogeneity; hot spot; interference competition; passerine; social conflict; sociobiology; territorial dispute; animal; animal behavior; article; ecosyst Evolutionary conservation; Habitat selection; Interference; Sociality; Territorial conflict
dc.titleEvolutionary conservation advice for despotic populations: Habitat heterogeneity favours conflict and reduces productivity in Seychelles magpie robins
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume277
dc.date.issued2010
local.identifier.absfor060207 - Population Ecology
local.identifier.ariespublicationf2965xPUB744
local.type.statusPublished Version
local.contributor.affiliationLopez-Sepulcre, Andres, University of Helsinki
local.contributor.affiliationKokko, Hanna, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationNorris, Ken, University of Reading
local.description.embargo2037-12-31
local.bibliographicCitation.issue1699
local.bibliographicCitation.startpage3477
local.bibliographicCitation.lastpage3482
local.identifier.doi10.1098/rspb.2010.0819
local.identifier.absseo960805 - Flora, Fauna and Biodiversity at Regional or Larger Scales
dc.date.updated2016-02-24T08:32:19Z
local.identifier.scopusID2-s2.0-78149234705
local.identifier.thomsonID000283448800013
CollectionsANU Research Publications

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