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Linking ecology, behaviour and conservation: does habitat saturation change the mating system of bearded vultures?

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dc.creator Carrete, Martina
dc.creator Donázar, José A.
dc.creator Margalida, Antoni
dc.creator Bertran, Joan
dc.date 2008-03-31T08:57:04Z
dc.date 2008-03-31T08:57:04Z
dc.date 2006-06-27
dc.date.accessioned 2017-01-31T01:01:21Z
dc.date.available 2017-01-31T01:01:21Z
dc.identifier Biol Letters 2006 2(4) : 624–627 (2006)
dc.identifier 1744-957X
dc.identifier http://hdl.handle.net/10261/3380
dc.identifier 10.1098/rsbl.2006.0498
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/3380
dc.description Copyright © by The Royal Society
dc.description The social organization of a population is the consequence of the decisions made by individuals to maximize their fitness, so differences in social systems may arise from differences in ecological conditions. Here, we show how a long-lived species that used to breed monogamously, and at low densities, can change its mating system in response to habitat saturation. We found that a significant proportion of unpaired birds become potential breeders by entering high-quality territories, or by forming polyandrous trios as a strategy to increase their individual performance. However, productivity of territories was reduced when those occupied by breeding pairs changed to trios, suggesting that the third individual was costly. The decision of some individuals to enter into breeding trios as subordinates also had clear negative consequences to population demography. This unusual mating behaviour is thus compromising the conservation effort directed to this endangered species; management to encourage floaters to settle in other suitable but unoccupied areas may be beneficial.
dc.description This study was partially supported by BBVA Foundation.
dc.description Peer reviewed
dc.format 110214 bytes
dc.format application/pdf
dc.language eng
dc.publisher Royal Society (Great Britain)
dc.rights closedAccess
dc.subject Polyandry
dc.subject Raptors
dc.subject Population dynamics
dc.title Linking ecology, behaviour and conservation: does habitat saturation change the mating system of bearded vultures?
dc.type Artículo


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