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DOI10.1007/s00267-013-0224-4
Fish Mercury and Surface Water Sulfate Relationships in the Everglades Protection Area
Gabriel, Mark C.1; Howard, Nicole2; Osborne, Todd Z.2,3
发表日期2014-03-01
ISSN0364-152X
卷号53期号:3页码:583-593
英文摘要

Few published studies present data on relationships between fish mercury and surface or pore water sulfate concentrations, particularly on an ecosystem-wide basis. Resource managers can use these relationships to identify the sulfate conditions that contain fish with health-concerning total mercury (THg) levels and to evaluate the role of sulfate in methyl-mercury (MeHg) production. In this study, we derived relationships between THg in three fish trophic levels (mosquitofish, sunfish, and age-1 largemouth bass) and surface water sulfate from 1998 to 2009 for multiple stations across the Everglades Protection Area (EPA). Results show the relationship between sulfate and fish THg in each fish type is nonlinear and largely skewed, similar to the relationship between MeHg production and sulfate concentration in peatland sediment pore water identified by other researchers. Peak fish THg levels occurred in similar to 1 to 12 mg/L sulfate conditions. There was significant variability in the fish THg data, and there were several instances of high-fish THg levels in high-sulfate conditions (> 30 mg/L). Health-concerning fish THg levels were present in all surface water sulfate conditions; however, most of these levels occurred in 1-20 mg/L sulfate. The data in this study, including recent studies, show consistent and identifiable areas of high- and low-fish THg across the spectrum of surface water sulfate concentration, therefore, applying an ecosystem-wide sulfur strategy may be an effective management approach as it would significantly reduce MeHg risk in the EPA.


英文关键词Mercury;Sulfate;Everglades;Bioaccumulation;CERP;Fish
语种英语
WOS记录号WOS:000331956000008
来源期刊ENVIRONMENTAL MANAGEMENT
来源机构美国环保署
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/59318
作者单位1.US EPA, Off Res & Dev, Natl Exposure Res Lab, Ecosyst Res Div, Athens, GA 30605 USA;
2.Univ Florida, Soil & Water Sci Dept, Wetland Biogeochem Lab, Gainesville, FL 32611 USA;
3.Whitney Lab Marine Biosci, St Augustine, FL USA
推荐引用方式
GB/T 7714
Gabriel, Mark C.,Howard, Nicole,Osborne, Todd Z.. Fish Mercury and Surface Water Sulfate Relationships in the Everglades Protection Area[J]. 美国环保署,2014,53(3):583-593.
APA Gabriel, Mark C.,Howard, Nicole,&Osborne, Todd Z..(2014).Fish Mercury and Surface Water Sulfate Relationships in the Everglades Protection Area.ENVIRONMENTAL MANAGEMENT,53(3),583-593.
MLA Gabriel, Mark C.,et al."Fish Mercury and Surface Water Sulfate Relationships in the Everglades Protection Area".ENVIRONMENTAL MANAGEMENT 53.3(2014):583-593.
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