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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0114162
论文题名:	The World's Most Isolated and Distinct Whale Population? Humpback Whales of the Arabian Sea
作者:	Cristina Pomilla; Ana R. Amaral; Tim Collins; Gianna Minton; Ken Findlay; Matthew S. Leslie; Louisa Ponnampalam; Robert Baldwin; Howard Rosenbaum
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-12-3
卷:	9, 期:12
语种:	英语
英文关键词:	Humpback whales ; Population genetics ; Mitochondrial DNA ; Southern Hemisphere ; Effective population size ; Haplotypes ; Oman ; Conservation genetics
英文摘要:	A clear understanding of population structure is essential for assessing conservation status and implementing management strategies. A small, non-migratory population of humpback whales in the Arabian Sea is classified as “Endangered” on the IUCN Red List of Threatened Species, an assessment constrained by a lack of data, including limited understanding of its relationship to other populations. We analysed 11 microsatellite markers and mitochondrial DNA sequences extracted from 67 Arabian Sea humpback whale tissue samples and compared them to equivalent datasets from the Southern Hemisphere and North Pacific. Results show that the Arabian Sea population is highly distinct; estimates of gene flow and divergence times suggest a Southern Indian Ocean origin but indicate that it has been isolated for approximately 70,000 years, remarkable for a species that is typically highly migratory. Genetic diversity values are significantly lower than those obtained for Southern Hemisphere populations and signatures of ancient and recent genetic bottlenecks were identified. Our findings suggest this is the world's most isolated humpback whale population, which, when combined with low population abundance estimates and anthropogenic threats, raises concern for its survival. We recommend an amendment of the status of the population to “Critically Endangered” on the IUCN Red List.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0114162&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/18401
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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作者单位:

Sackler Institute for Comparative Genomics, American Museum of Natural History, New York, New York, United States of America;Sackler Institute for Comparative Genomics, American Museum of Natural History, New York, New York, United States of America;Centro de Biologia Ambiental, Faculdade de Ciências Universidade de Lisboa, Lisboa, Portugal;Ocean Giants Program, Wildlife Conservation Society, Bronx, New York, United States of America;Environment Society of Oman, Ruwi, Sultanate of Oman;Environment Society of Oman, Ruwi, Sultanate of Oman;World Wide Fund for Nature, Gabon, Libreville, Gabon;Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Pretoria, South Africa;Sackler Institute for Comparative Genomics, American Museum of Natural History, New York, New York, United States of America;Ocean Giants Program, Wildlife Conservation Society, Bronx, New York, United States of America;Environment Society of Oman, Ruwi, Sultanate of Oman;Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur, Malaysia;Environment Society of Oman, Ruwi, Sultanate of Oman;Sackler Institute for Comparative Genomics, American Museum of Natural History, New York, New York, United States of America;Ocean Giants Program, Wildlife Conservation Society, Bronx, New York, United States of America

Recommended Citation:

Cristina Pomilla,Ana R. Amaral,Tim Collins,et al. The World's Most Isolated and Distinct Whale Population? Humpback Whales of the Arabian Sea[J]. PLOS ONE,2014-01-01,9(12)

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