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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004219naa a2200589 4500
001oai:DiVA.org:su-195626
003SwePub
008210824s2021 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1956262 URI
024a https://doi.org/10.1111/jbi.141022 DOI
040 a (SwePub)su
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Gray, Howard W. I.4 aut
2451 0a Comparative biogeography and the evolution of population structure for bottlenose and common dolphins in the Indian Ocean
264 c 2021-05-04
264 1b Wiley,c 2021
338 a print2 rdacarrier
520 a Aim: In the marine environment, where there are few physical boundaries to gene flow, there is often nevertheless intraspecific diversity with consequences for effective conservation and management. Here, we compare two closely related dolphin species with a shared distribution in the Indian Ocean (IO) to better understand the biogeographic drivers of their population structure.Location: Global oceans and seas with a focus on the Indian OceanTaxon: Tursiops sp. and Delphinus sp.Methods: Bayesian, ordination, assignment, statistical and phylogenetic analyses to assess phylogeography, connectivity and population structure using microsatellite and mitochondrial DNA genetic markers.Results: Both Tursiops sp. and Delphinus sp. showed population structure across the western IO and, in each case, populations in the Arabian Sea (off India, Pakistan and Oman) were most differentiated. Comparisons with other populations worldwide revealed independent lineages in this geographic region for both genera. For T. aduncus, (for which multiple sites within the IO could be compared), Bayesian modelling best supported a scenario of expansion southwards following a bottleneck event resulting in differentiation between the northern and western IO. For Delphinus, the same pattern is even more pronounced. Populations in the Arabian Sea region of the north-western IO show genetic isolation for each of the two genera, consistent with other studies of cetacean species in this region.Main conclusions: We propose that changes in the intensity of the southwest monsoon during the climate cycles of the Pleistocene could have affected regional patterns of productivity and represent an important biogeographic driver promoting the observed patterns of differentiation and population dynamics seen in our focal species. Patterns of population genetic structure are consistent with phenotypic differences, suggesting an influence from distinct habitats and resources, and emphasising the need for effective conservation measures in this geographic region.
650 7a NATURVETENSKAPx Biologi0 (SwePub)1062 hsv//swe
650 7a NATURAL SCIENCESx Biological Sciences0 (SwePub)1062 hsv//eng
653 a biodiversity
653 a conservation
653 a Delphinus
653 a phenotype
653 a phylogeography
653 a Tursiops
700a Chen, Ing4 aut
700a Moura, André E.4 aut
700a Natoli, Ada4 aut
700a Nishida, Shin4 aut
700a Tanabe, Shinsuke4 aut
700a Minton, Gianna4 aut
700a Ponnampalam, Louisa S.4 aut
700a Kiani, Muhammad S.4 aut
700a Culloch, Ross4 aut
700a Gore, Mauvis4 aut
700a Särnblad, Annau Stockholms universitet,Zoologiska institutionen,Marine Education Center, Sweden4 aut0 (Swepub:su)sarnb
700a Amir, Omar4 aut
700a Berggren, Per4 aut
700a Collins, Tim4 aut
700a Willson, Andrew J.4 aut
700a Baldwin, Robert4 aut
700a Hoelzel, A. Rus4 aut
710a Stockholms universitetb Zoologiska institutionen4 org
773t Journal of Biogeographyd : Wileyg 48:7, s. 1654-1668q 48:7<1654-1668x 0305-0270x 1365-2699
856u https://doi.org/10.1111/jbi.14102y Fulltext
856u https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/jbi.14102
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-195626
8564 8u https://doi.org/10.1111/jbi.14102

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