Temporal changes in kin structure through a population cycle in a territorial bird, the red grouse Lagopus lagopus scoticus

Molecular Ecology
S B PiertneyR Moss

Abstract

Populations of red grouse (Lagopus lagopus scoticus) undergo regular multiannual cycles in abundance. The 'kinship hypothesis' posits that such cycles are caused by changes in kin structure among territorial males producing delayed density-dependent changes in aggressiveness, which in turn influence recruitment and regulate density. The kinship hypothesis makes several specific predictions about the levels of kinship, aggressiveness and recruitment through a population cycle: (i) kin structure will build up during the increase phase of a cycle, but break down prior to peak density; (ii) kin structure influences aggressiveness, such that there will be a negative relationship between kinship and aggressiveness over the years; (iii) as aggressiveness regulates recruitment and density, there will be a negative relationship between aggressiveness in one year and both recruitment and density in the next; (iv) as kin structure influences recruitment via an affect on aggressiveness, there will be a positive relationship between kinship in one year and recruitment the next. Here we test these predictions through the course of an 8-year cycle in a natural population of red grouse in northeast Scotland, using microsatellite DNA markers to...Continue Reading

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Citations

Oct 7, 2009·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Ben J Hatchwell
Sep 23, 2008·Molecular Ecology·C LebigreH Siitari
Jan 15, 2009·Molecular Ecology·Loren RiesebergNolan Kane
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Jun 27, 2013·The Journal of Animal Ecology·Jesus Martínez-PadillaFrançois Mougeot
Sep 30, 2014·Molecular Ecology·Christophe LebigreHeli Siitari
Jun 4, 2014·Molecular Ecology·Bertrand GauffreJean-François Cosson
Jan 27, 2019·BMC Ecology·Kaja JohnsenHarry P Andreassen
Mar 23, 2018·Proceedings. Biological Sciences·Judith H Myers
Apr 10, 2020·Genome Biology and Evolution·Sarah E BluherMichael J Sheehan
Aug 18, 2021·Proceedings. Biological Sciences·Darren P CroftRufus A Johnstone

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