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Dietary overlap and partitioning among three sympatric carcharhinid sharks

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dc.contributor Australian Institute Of Marine Science
dc.contributor Trop Rivers & Coastal Knowledge Res Hub
dc.contributor University Of Western Australia
dc.contributor Macquarie University
dc.contributor Res Inst Environm & Livelihoods
dc.contributor Charles Darwin Univ
dc.contributor Arafura Timor Res Facil
dc.contributor Australian Inst Marine Sci
dc.contributor Grad Sch Environm
dc.contributor Macquarie Univ
dc.contributor Charles Darwin University
dc.contributor Uwa Oceans Inst FIELD, KIN C. TILLETT, BREE J. MEEKAN, MARK G. 2017-03-21T00:56:26Z 2017-03-21T00:56:26Z 2015-07-20T04:30:23Z 2019-05-09T01:03:53Z 2017-03-21T00:56:26Z 2017-03-21T00:56:26Z 2015-07-20T04:30:23Z 2019-05-09T01:03:53Z 2014-01-01
dc.identifier.citation Tillett BJ, Meekan MG, Field IC (2014) Dietary overlap and partitioning among three sympatric carcharhinid sharks. Endangered Species Research 25(3): 283-293 en_US
dc.identifier.issn 1863-5407
dc.description.abstract We used stomach content and stable isotope analyses to compare diet as a proxy for ecological similarity among 3 tropical sharks, Carcharhinus leucas, C. amboinensis and the Endangered Glyphis spp. Our analyses suggested that all 3 predators consumed mainly teleost fishes but also preyed on crustaceans, cephalopods and reptiles. Diets varied spatially and through ontogeny. Some juvenile C. leucas sourced prey from the same food web as juvenile C. amboinensis, although prey sources varied among C. leucas nurseries. Dietary overlap existed between sympatric adult C. leucas and C. amboinensis, and both species occupied higher trophic positions than juvenile conspecifics. Although sample sizes for Glyphis spp. were small, our results suggested previously undescribed dietary partitioning between this genus and the sympatric C. leucas.
dc.description.uri en_US
dc.language English
dc.language.iso en en_US
dc.publisher Inter-Research en_US
dc.relation.ispartof Null
dc.subject Niche en_US
dc.subject North Australia en_US
dc.subject Co-existence en_US
dc.subject Carcharhinus Sp en_US
dc.subject Juvenile Bull Sharks
dc.subject Florida Estuary
dc.subject Biodiversity Conservation
dc.subject Food-habits
dc.subject Trophic Position
dc.subject Negaprion-brevirostris
dc.subject Protective Gill Nets
dc.subject Stable-isotope
dc.subject Leucas Valenciennes
dc.subject Movement Patterns
dc.subject Biodiversity & Conservation
dc.subject Sandbar Shark
dc.title Dietary overlap and partitioning among three sympatric carcharhinid sharks
dc.type journal article en_US
dc.identifier.doi 10.3354/esr00615
dc.identifier.wos WOS:000345605300006

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