Multilocus approach reveals an incipient differentiation process in the Stone-curlew, Burhinus oedicnemus around the Mediterranean basin
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- 作者：Alessia Mori ; Dimitri Giunchi ; Felipe Rodríguez-Godoy…
- 关键词：Avian ; Burhinus oedicnemus ; Genetic diversity hotspot ; Stone ; curlew ; Steppe bird
- 刊名：Conservation Genetics
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：18
- 期：1
- 页码：197-209
- 全文大小：
- 刊物类别：Biomedical and Life Sciences
- 刊物主题：Conservation Biology/Ecology; Ecology; Biodiversity; Evolutionary Biology; Plant Genetics & Genomics; Animal Genetics and Genomics;
- 出版者：Springer Netherlands
- ISSN：1572-9737
- 卷排序：18
文摘
The Stone-curlew Burhinus oedicnemus, a steppe bird species, is mainly distributed in the Mediterranean and Macaronesian regions, which are considered hotspots of biodiversity with priority for animal and plant species richness conservation. In this study, we investigated the genetic diversity of the Stone-curlew in the Mediterranean basin and in the Canary Islands by applying a multilocus approach. We analysed mitochondrial and nuclear markers in order to evaluate the genetic structure and the congruence between morphological subspecies and geographic samples. We found a significant level of genetic differentiation between Mediterranean and Canary Island populations with all markers. Both in the Mediterranean basin and in the Canary Islands, we found a significant level of genetic diversity with nuclear markers only. We identified seven population groups, including insular populations. The four subspecies described for the Western Palaearctic were confirmed with some changes in distribution range. In spite of habitat fragmentation and negative population trend, the Stone-curlew showed a significant level of genetic diversity and gene flow among continental populations. However, islands constitute important reservoirs of genetic diversity and a potential for the evolution of the species.