Ardea | |
Molecular Verification of the Subspecies Status of the Mauritanian Spoonbill Platalea Leucorodia Balsaci | |
Tamar Lok4  El-Hacen Mohamed El-Hacen3  Theunis Piersma4  Marco van der Velde2  Otto Overdijk1  | |
[1] 4 Werkgroep Lepelaar, Knuppeldam 4, 9166 NZ Schiermonnikoog, The Netherlands;1 Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen, P.O. Box 11103, 9700 CC Groningen, The Netherlands;1 Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen, P.O. Box 11103, 9700 CC Groningen, The Netherlands; 3 Parc National du Banc d'Arguin (PNBA), Avenue Gamal Abdel Nasser, B.P. 5355, Nouakchott, Mauritania;1 Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen, P.O. Box 11103, 9700 CC Groningen, The Netherlands; 2 Department of Marine Ecology, NIOZ Royal Netherlands Institute for Sea Research, P.O. Box 59, 1790 AB Den Burg, Texel, The Netherlands; | |
关键词: Wadden Sea; | |
DOI : | |
学科分类:动物科学 | |
来源: Nederlandse Ornithologische Unie/Netherlands Ornithological Union | |
【 摘 要 】
In1974R.deNauroisandF.RouxproposedthatthedistinctmorphologyofEurasianSpoonbillsPlatalealeucorodiabreedingonoffshoreislandsintheBancd'Arguin,Mauritania,incomparisonwiththesympatricallywinteringnorthwestEuropeanbreedingSpoonbillsPlatalealeucorodialeucorodia,justifiesrecognitionasaseparatesubspeciesPlatalealeucorodiabalsaci.ThisproposalisexaminedhereonthebasisofvariationinnuclearDNA,microsatellitesidentifiedearlierforP.minorandPajaja.WeshowthatthereissignificantvariationbetweenSpoonbillsbreedinginMauritania(n=25)andthesympatricallywinteringconspecificsbreedingintheDutchWaddenSea(n=105).Ofthetotalgeneticvariationamongthe130individuals,6.3%isattributabletovariationbetweenthetwobreedingareas(93.7%ofthevariationiswithinbreedingareas).PairwiseFSTvaluesshowedlowgeneticdifferentiation(FST'Slt;0.012)amongbreedingcolonieswithinTheNetherlands.ThelevelofgeneticdifferentiationindicatesthatthelevelofgeneflowbetweenTheNetherlandsandMauritaniaismuchlower(∼4–5individuals/generation)thanamongtheDutchcoloniesonseparateWaddenSeaislands.Fieldobservationsonindividuallycolour-markedbirdsfromTheNetherlandsindeedsuggestextensivedispersalwithinnorthwestEurope,withsomeintrogressionofleucorodiagenesintothebalsacipopulation.Thelevelofmicrosatellitedistinctivenessbetweensympatricpopulationsofthetwosubspeciesissimilartothatrecordedforsubspeciesofothermigrantbirds,andassuchjustifiesthesubspeciesstatusoftheMauritanianSpoonbill.
【 授权许可】
Unknown
【 预 览 】
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