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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Integrating multiple lines of evidence to better understand the evolutionary divergence of humpback dolphins along their entire distribution range: A new dolphin species in Australian waters?
Molecular Ecology, Volume 22, No. 23, Year 2013
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Description
The conservation of humpback dolphins, distributed in coastal waters of the Indo-West Pacific and eastern Atlantic Oceans, has been hindered by a lack of understanding about the number of species in the genus (Sousa) and their population structure. To address this issue, we present a combined analysis of genetic and morphologic data collected from beach-cast, remote-biopsied and museum specimens from throughout the known Sousa range. We extracted genetic sequence data from 235 samples from extant populations and explored the mitochondrial control region and four nuclear introns through phylogenetic, population-level and population aggregation frameworks. In addition, 180 cranial specimens from the same geographical regions allowed comparisons of 24 morphological characters through multivariate analyses. The genetic and morphological data showed significant and concordant patterns of geographical segregation, which are typical for the kind of demographic isolation displayed by species units, across the Sousa genus distribution range. Based on our combined genetic and morphological analyses, there is convincing evidence for at least four species within the genus (S. teuszii in the Atlantic off West Africa, S. plumbea in the central and western Indian Ocean, S. chinensis in the eastern Indian and West Pacific Oceans, and a new as-yet-unnamed species off northern Australia). © 2013 John Wiley & Sons Ltd.
Authors & Co-Authors
Méndez, Martín
United States, New York
American Museum of Natural History
United States, New York
Wildlife Conservation Society
Jefferson, Thomas Allen
United States, Lakeside
Clymene Enterprises
Kolokotronis, Sergios-Orestis Orestis
United States, New York
Fordham University
Krützen, Michael
Switzerland, Zurich
Universität Zürich
Parra, Guido J.
Australia, Adelaide
Flinders University
Australia, Adelaide
South Australian Research and Development Institute
Collins, Tim J.Q.
United States, New York
Wildlife Conservation Society
Oman, Muscat
Environment Society of Oman
Minton, Gianna
Oman, Muscat
Environment Society of Oman
Malaysia, Kota Samarahan
Universiti Malaysia Sarawak
Baldwin, Robert M.
Malaysia, Kota Samarahan
Universiti Malaysia Sarawak
Berggren, Per
United Kingdom, Newcastle
Newcastle University
Särnblad, Anna
Sweden, Stockholm
Stockholms Universitet
Amir, Omar A.
Tanzania, Mkokotoni
Institute of Marine Sciences University of Dar es Salaam
Peddemors, Victor Marten
South Africa, Durban
University of Kwazulu-natal
Australia, Sydney
Cronulla Fisheries Reseach Centre
Karczmarski, Leszek
Hong Kong, Hong Kong
The University of Hong Kong, Swire Institute of Marine Science
Guissamulo, Almeida Tomas
Mozambique, Maputo
Universidade Eduardo Mondlane
Smith, Brian D.
United States, New York
Wildlife Conservation Society
Sutaria, Dipani N.
Australia, Townsville
James Cook University
Amato, George D.
United States, New York
American Museum of Natural History
Rosenbaum, Howard C.
United States, New York
American Museum of Natural History
Statistics
Citations: 82
Authors: 18
Affiliations: 17
Identifiers
Doi:
10.1111/mec.12535
ISSN:
09621083
e-ISSN:
1365294X
Research Areas
Cancer
Genetics And Genomics
Study Design
Cross Sectional Study
Study Locations
Multi-countries