Journal ArticleDOI
Arsenic in U.K. estuarine sediments and its availability to benthic organisms
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TLDR
Arsenic concentrations in estuarine sediments from England and Wales range over three orders of magnitude, up to 2500 μg/g, occurring in the sediments of estuaries in south west England associated with past or present metalliferous mining activity as mentioned in this paper.Abstract:
Arsenic concentrations in estuarine sediments from England and Wales range over three orders of magnitude. The highest concentrations, up to 2500 μg/g, occur in the sediments of estuaries in south west England associated with past or present metalliferous mining activity. Strong correlations exist between arsenic and iron in 1 N-HC1 extracts of different estuarine sediments. The As/Fe ratio in those estuaries not contaminated with mine wastes is 11 × 10−4, increasing to 190 × 10—4 in metalliferous sediments.read more
Citations
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Bioavailability, accumulation and effects of heavy metals in sediments with special reference to United Kingdom estuaries: a review
G.W. Bryan,W.J. Langston +1 more
TL;DR: Various factors governing the bioavailability, bioaccumulation and biological effects of heavy metals in sediment-dominated estuaries are reviewed.
Journal ArticleDOI
The decline of the gastropod Nucella lapillus around south-west England: evidence for the effect of tributyltin from antifouling paints
TL;DR: The incidence of ‘imposex’, the induction of male sex characters in the female, is widespread, that all populations are affected to some degree and that the phenomenon is most prevalent along the south (Channel) coast.
Journal ArticleDOI
Framework for metals risk assessment.
TL;DR: The Framework for Metals Risk Assessment is a science-based document that describes basic principles that address the special attributes and behaviors of metals and metal compounds to be considered when assessing their human health and ecological risks.
Journal ArticleDOI
Can we determine the biological availability of sediment-bound trace elements?
TL;DR: In this paper, the authors demonstrate that ingestion of sediments and uptake from solution may both be important pathways of metal bioaccumulation in deposit/detritus feeding species.
Journal ArticleDOI
Ecotoxicology of arsenic in the marine environment
TL;DR: The average concentration of total arsenic in the ocean is about 1.7 μg/L, about two orders of magnitude higher than the U.S Environmental Protection Agency's human health criterion (fish consumption) value of 0.0175 μg/l.
References
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Journal ArticleDOI
A review of the arsenic cycle in natural waters
John F. Ferguson,Jerome Gavis +1 more
TL;DR: A review of the occurrence and cycling of arsenic in fresh waters is presented in this paper, where the possible microbially-mediated reactions of arsenic, including oxidation of arsenite, methylation of arsenic species, and reduction of arsenate, are discussed with reference to the locale of the reaction in the water column or in the sediments.
Journal ArticleDOI
Distribution and speciation of arsenic in natural waters and some marine algae
TL;DR: A positive correlation is evident between the concentrations of arsenite and the methylated arsenicals and indicators of primary productivity, e.g. chlorophyll concentration and 14C-uptake, which indicates that the speciation of arsenic in natural waters is significantly influenced by biological activity.
Journal ArticleDOI
Arsenical cancer; a review.
TL;DR: A chronology of the different types of Medicinal Arsenical Cancer and the treatment of the patients, as well as the causes and consequences, are presented.
Journal ArticleDOI
Geochemical variation in ferromanganese nodules and associated sediments from the Pacific Ocean
Stephen E. Calvert,N.B. Price +1 more
TL;DR: The major and minor element compositions of a suite of abyssal sea-floor ferromanganese nodules and associated sediments from the eastern central Pacific have been used to examine inter-element relationships and the mineralogy of the nodules as mentioned in this paper.
Journal ArticleDOI
Factors controlling the availability of sediment-bound lead to the estuarine bivalve scrobicularia plana
Samuel N. Luoma,G.W. Bryan +1 more
TL;DR: In this article, the physicochemical characteristics of sediments in 20 estuaries in southern and western England and one in north-west France were compared with the soft tissues of the deposit-feeding bivalve Scrobicularia plana.
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