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231225s2019 xx |||||o 00| ||eng c |
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|a 10.3354/meps12798
|2 doi
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|a pubmed24n0996.xml
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|a (NLM)31289418
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Shipley, Oliver N
|e verfasserin
|4 aut
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| 245 |
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|a Trophodynamics and mercury bioaccumulation in reef and open-ocean fishes from The Bahamas with a focus on two teleost predators
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| 264 |
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|c 2019
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Identifying prey resource pools supporting fish biomass can elucidate trophic pathways of pollutant bioaccumulation. We used multiple chemical tracers (carbon [δ13C] and nitrogen [δ15N] stable isotopes and total mercury [THg]) to identify trophic pathways and measure contaminant loading in upper trophic level fishes residing at a reef and open-ocean interface near Eleuthera in the Exuma Sound, The Bahamas. We focused predominantly on the trophic pathways of mercury bioaccumulation in dolphinfish Coryphaena hippurus and wahoo Acanthocybium solandri, 2 commonly consumed pelagic sportfish in the region. Despite residing within close proximity to productive and extensive coral reefs, both dolphinfish and wahoo relied almost exclusively on open-ocean prey over both short and long temporal durations. A larger isotopic niche of dolphinfish suggested a broader diet and some potential prey differentiation between the 2 species. THg concentrations in dolphinfish (0.2 ± 0.1 ppm) and wahoo (0.3 ± 0.3 ppm) were mostly below recommended guidelines for humans (US Environmental Protection Agency (EPA) = 0.3 ppm, US Food and Drug Administration (FDA)= 1.0 ppm) and were within ranges previously reported for these species. However, high THg concentrations were observed in muscle and liver tissue of commonly consumed reef-associated fishes, identifying a previously unrecognized route of potentially toxic Hg exposure for human consumers on Eleuthera and neighboring islands
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| 650 |
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|a Journal Article
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|a Contaminant loading
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| 650 |
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4 |
|a Dolphinfish
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| 650 |
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|a Stable isotope analysis
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| 650 |
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|a The Bahamas
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4 |
|a Wahoo
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1 |
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|a Lee, Cheng-Shiuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fisher, Nicholas S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Burruss, Georgiana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Frisk, Michael G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Brooks, Edward J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zuckerman, Zachary C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Herrmann, Achim D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Madigan, Daniel J
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Marine ecology progress series
|d 1998
|g 608(2019) vom: 27., Seite 221-232
|w (DE-627)NLM098181750
|x 0171-8630
|7 nnns
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| 773 |
1 |
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|g volume:608
|g year:2019
|g day:27
|g pages:221-232
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|u http://dx.doi.org/10.3354/meps12798
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