Cadmium,chromium,copper,iron,lead,mercury,nickel,and zinc in freshwater fish:Assessing trophic transfer using stable isotope ratios ofδ^(15)N andδ^(13)C  

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作  者:Chester Lau X.Chris Le 

机构地区:[1]Department of Chemistry,Faculty of Science,University of Alberta,Alberta T6G 2G2,Canada [2]Division of Analytical and Environmental Toxicology,Department of Laboratory Medicine and Pathology,Faculty of Medicine and Dentistry,University of Alberta,Alberta T6G 2G3,Canada

出  处:《Journal of Environmental Sciences》2023年第6期250-257,共8页环境科学学报(英文版)

基  金:This work was supported by the Natural Sciences and Engineering Research Council of Canada,the Canadian Institutes of Health Research,and Alberta Health.

摘  要:Introduction The health benefits of consuming aquatic organisms are clear,given their high protein count,low saturated fats,and low cholesterol content.Fish,in particular,contains valuable nutrients(e.g.,omega-3 polyunsaturated fats),vitamins,essential elements,and is therefore considered an important part of a balanced human diet.China is a major seafood producer,accounting for 58%of global production in 2018(Crona et al.,2020).China is the largest seafood consuming country in the world,with consumption rates steadily increasing.Since the 1978 Chinese economic reform,the amount of seafood consumed per capita in China increased from 5 kg per capita in 1980 to 41 kg in 2015(Zhang et al.,2021).By 2030,the overall amount of fish consumption will likely exceed the amount of fish production in China.

关 键 词:Aquatic environment BIOACCUMULATION BIOMAGNIFICATION Fish consumption Growth dilution effect Metal contamination Stable isotope ratio Trace elements Trophic levels 

分 类 号:X503.225[环境科学与工程—环境工程]

 

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