NDLI: Genetic structure of an endangered raptor at individual and population levels

Content Provider	Springer Nature Link
Author	Ponnikas, Suvi Kvist, Laura Ollila, Tuomo Stjernberg, Torsten Orell, Markku
Copyright Year	2013
Abstract	The Finnish population of White-tailed Eagle (Haliaeetus albicilla) has gone through two major demographic bottlenecks during the last two centuries. Strong conservation measures have allowed the population to recover, but despite the rapid population growth during recent years the species is still classified as endangered. We studied the genetic population structure at both individual and population levels in an attempt to recognize the processes shaping it. We used 9 microsatellite loci and 473 base pair fragment of the mitochondrial DNA control region on samples collected between the years 2003 and 2007 (N = 489). We found a clear isolation by distance pattern at fine scale (i.e. individual level) which is most likely a result of species’ philopatric behaviour. Although we did not find signs of the recent bottlenecks, we did find evidence of an ancient bottleneck that has occurred most likely over 21,000 years ago, long before the genetic divergence of the two present Finnish subpopulations (one along the Baltic Sea coast line and another in Lapland and easternmost Finland). We conclude that the present population structure is mainly a consequence of the species philopatric behaviour over a long time period instead of recent population bottlenecks. Based on our results, the Finnish population seems to have ongoing immigration from neighbouring populations. Hence, even though the population has recovered mainly through local growth, our results suggest that gene flow from genetically differentiated populations have had an impact as well.
Starting Page	1135
Ending Page	1147
Page Count	13
File Format	PDF
ISSN	15660621
Journal	Conservation Genetics
Volume Number	14
Issue Number	6
e-ISSN	15729737
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-06-08
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Population structure Raptors (birds of prey) Isolation by distance Haliaeetus albicilla Bottleneck Conservation Biology/Ecology Plant Sciences Animal Anatomy / Morphology / Histology Evolutionary Biology
Content Type	Text
Resource Type	Article
Subject	Genetics Ecology, Evolution, Behavior and Systematics

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