Jackson, H., Strubbe, D. S., Tollington, Simon, Prys-Jones, R., Matthysen, E., Groombridge, Jim J. (2015) Ancestral origins and invasion pathways in a globally invasive bird correlate with climate and influences from bird trade. Molecular Ecology, 24 (16). pp. 4269-4285. ISSN 0962-1083. E-ISSN 1365-294X. (doi:10.1111/mec.13307) (KAR id:50689)
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Official URL: http://doi.org/10.1111/mec.13307 |
Abstract
Invasive species present a major threat to global biodiversity. Understanding genetic patterns and evolutionary processes that reinforce successful establishment is para- mount for elucidating mechanisms underlying biological invasions. Among birds, the ring-necked parakeet (Psittacula krameri) is one of the most successful invasive spe- cies, established in over 35 countries. However, little is known about the evolutionary genetic origins of this species and what population genetic signatures tell us about patterns of invasion. We reveal the ancestral origins of populations across the invasive range and explore the potential influence of climate and propagule pressure from the pet trade on observed genetic patterns. Ring-necked parakeet samples representing the ancestral native range (n = 96) were collected from museum specimens, and modern samples from the invasive range (n = 855) were gathered from across Europe, Mauritius and Seychelles, and sequenced for two mitochondrial DNA markers comprising 868 bp of cytochrome b and control region, and genotyped at 10 microsatellite loci. Invasive populations comprise birds that originate predominantly from Pakistan and northern areas of India. Haplotypes associated with more northerly distribution limits in the ancestral native range were more prevalent in invasive populations in Europe, and the predominance of Asian haplotypes in Europe is consistent with the higher number of Asian birds transported by the pet trade outside the native range. Success- ful establishment of invasive species is likely to be underpinned by a combination of environmental and anthropogenic influences.
Item Type: | Article |
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DOI/Identification number: | 10.1111/mec.13307 |
Uncontrolled keywords: | DIYABC, invasive alien species, microsatellites, mitochondrial DNA, propagule pres- sure, ring-necked parakeet |
Subjects: |
Q Science > QH Natural history > QH426 Genetics Q Science > QH Natural history > QH541 Ecology Q Science > QH Natural history > QH75 Conservation (Biology) |
Divisions: |
Divisions > Division of Human and Social Sciences > School of Anthropology and Conservation Divisions > Division of Human and Social Sciences > School of Anthropology and Conservation > DICE (Durrell Institute of Conservation and Ecology) |
Depositing User: | Hazel Jackson |
Date Deposited: | 30 Sep 2015 11:34 UTC |
Last Modified: | 16 Feb 2021 13:28 UTC |
Resource URI: | https://kar.kent.ac.uk/id/eprint/50689 (The current URI for this page, for reference purposes) |
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