Population genetics after fragmentation: the case of the endangered Spanish imperial eagle (Aquila adalberti)

Molecular Ecology
B Martínez-CruzJ J Negro

Abstract

The highly endangered Spanish imperial eagle, Aquila adalberti, has suffered from both population decline and fragmentation during the last century. Here we describe the current genetic status of the population using an extensive sampling of its current distribution range and both mitochondrial control region sequences and nuclear microsatellite markers. Results were evaluated in comparison to those obtained for the Eastern imperial eagle, Aquila heliaca, its nearest extant relative. Mitochondrial haplotype diversity was lower in the Spanish than in the Eastern species whereas microsatellite allelic richness and expected heterozygosity did not differ. Both allelic richness and expected heterozygosity were lower in the small Parque Nacional de Doñana breeding nucleus compared to the remaining nuclei. A signal for a recent genetic bottleneck was not detected in the current Spanish imperial eagle population. We obtained low but significant pairwise FST values that were congruent with a model of isolation by distance. FST and exact tests showed differentiation among the peripheral and small Parque Nacional de Doñana population and the remaining breeding subgroups. The centrally located Montes de Toledo population did not differ fro...Continue Reading

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Citations

Jan 11, 2012·Nature Reviews. Genetics·Sean HobanOscar E Gaggiotti
Nov 19, 2011·BMC Evolutionary Biology·Jesus T GarciaBeatriz Arroyo
Sep 26, 2007·BMC Evolutionary Biology·Begoña Martínez-Cruz, José Antonio Godoy
Apr 23, 2010·Genes & Genetic Systems·Kiyoaki OzakiSatoshi Yamagishi
Jan 23, 2016·Genetica·Pilar Rueda-ZozayaJosé Herrera-Haro
Nov 12, 2011·Ecological Applications : a Publication of the Ecological Society of America·Guillermo BlancoMarino García-Montijano
Feb 26, 2008·Behavioural Processes·Gary R BortolottiJavier Oria
Dec 25, 2007·Veterinary Microbiology·Ursula HöfleChristian Gortazar
Oct 10, 2007·The Journal of Animal Ecology·Niels Blaum, Matthias C Wichmann
Apr 12, 2008·Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology·William Rangel VasconcelosIzeni Pires Farias
Feb 13, 2016·PloS One·Aureo BanhosIzeni Pires Farias
Apr 4, 2019·Scientific Reports·Courtneë Kleinhans, Sandi Willows-Munro
May 20, 2021·Journal of Ornithology·Liviu G Pârâu, Michael Wink

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