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Life Sciences

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Nova Southeastern University

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2020

Population genomics

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Insights Into Insular Isolation Of The Bull Shark, Carcharhinus Leucas (Müller And Henle, 1839), In Fijian Waters, Kerstin B J Glaus, Sharon A. Appleyard, Brian Stockwell, Juerg M. Brunnschweiler, Mahmood S. Shivji, Eric Clua, Amandine D. Marie, Ciro Rico Dec 2020

Insights Into Insular Isolation Of The Bull Shark, Carcharhinus Leucas (Müller And Henle, 1839), In Fijian Waters, Kerstin B J Glaus, Sharon A. Appleyard, Brian Stockwell, Juerg M. Brunnschweiler, Mahmood S. Shivji, Eric Clua, Amandine D. Marie, Ciro Rico

Biology Faculty Articles

The bull shark (Carcharhinus leucas) is a large, mobile, circumglobally distributed high trophic level predator that inhabits a variety of remote islands and continental coastal habitats, including freshwater environments. Here, we hypothesize that the barriers to dispersal created by large oceanic expanses and deep-water trenches result in a heterogeneous distribution of the neutral genetic diversity between island bull shark populations compared to populations sampled in continental locations connected through continuous coastlines of continental shelves. We analyzed 1,494 high-quality neutral single nucleotide polymorphism (SNP) markers in 215 individual bull sharks from widespread locations across the Indian and Pacific Oceans …