DOI: 10.1016/j.marpolbul.2017.10.089
Scopus记录号: 2-s2.0-85033563143
论文题名: Mercury content of blue crabs (Callinectes sapidus) from southern New England coastal habitats: Contamination in an emergent fishery and risks to human consumers
作者: Taylor D.L. ; Calabrese N.M.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2018
卷: 126 起始页码: 166
结束页码: 178
语种: 英语
英文关键词: Accumulation
; Blue crab
; Callinectes sapidus
; Consumption advisory
; Mercury
; Prey
; Sediment
Scopus关键词: Biochemistry
; Ecosystems
; Health risks
; Mercury (metal)
; Mercury compounds
; Molluscs
; Muscle
; Rivers
; Sediments
; Tissue
; Accumulation
; Blue crab
; Callinectes sapidus
; Consumption advisories
; Prey
; Shellfish
; mercury
; methylmercury
; bioaccumulation
; concentration (composition)
; consumption behavior
; crustacean
; health risk
; mercury (element)
; prey availability
; sediment
; animal tissue
; Article
; bioaccumulation
; bioavailability
; bivalve
; Callinectes sapidus
; coastal waters
; concentration (parameters)
; consumer
; female
; fishery
; food contamination
; health hazard
; male
; muscle tissue
; nonhuman
; Polychaeta
; prey
; river
; sediment
; shrimp
; species habitat
; United States
; water contamination
; Bivalvia
; Callinectes sapidus
; Decapoda (Crustacea)
; Gastropoda
; Polychaeta
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要: Total mercury (Hg; ppm dry weight) was measured in blue crabs, Callinectes sapidus, collected from Narraganset Bay and adjacent coastal lagoons and tidal rivers (Rhode Island/Massachusetts, USA) from May to August 2006–2016. For juvenile crabs (21–79 mm carapace width, CW), total Hg was significantly greater in chelae muscle tissue (mean ± 1 SD = 0.32 ± 0.21 ppm; n = 65) relative to whole bodies (0.21 ± 0.16 ppm; n = 19), and irrespective of tissue-type, crab Hg was positively related to CW indicating bioaccumulation of the toxicant. Across a broader range of crab sizes (43–185 mm CW; n = 465), muscle Hg concentrations were significantly higher in crabs from the Taunton River relative to other locations (0.71 ± 0.35 ppm and 0.20 ± 0.10 ppm, respectively). Spatial variations in crab Hg dynamics were attributed to habitat-specific Hg burdens of their prey, including bivalves, gastropods, polychaetes, and shrimp. Prey Hg, in turn, was directly related to localized sediment Hg and methylmercury conditions. Biota-sediment accumulation factors for crabs and prey were negatively correlated with sediment organic content, verifying that organically-enriched substrates reduce Hg bioavailability. From a human health perspective, frequent consumption of crabs from the Taunton River may pose a human health risk (23% of legal-size crabs exceeded US EPA threshold level); thus justifying spatially-explicit Hg advisories for this species. © 2017 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/88604
Appears in Collections: 过去全球变化的重建 全球变化的国际研究计划
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作者单位: Roger Williams University, Department of Marine Biology, One Old Ferry Road, Bristol, RI, United States
Recommended Citation:
Taylor D.L.,Calabrese N.M.. Mercury content of blue crabs (Callinectes sapidus) from southern New England coastal habitats: Contamination in an emergent fishery and risks to human consumers[J]. Marine Pollution Bulletin,2018-01-01,126