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Metal contamination in water, sediment and biota from a semi-enclosed coastal area

Metal contamination in water, sediment and biota from a semi-enclosed coastal area
Metal contamination in water, sediment and biota from a semi-enclosed coastal area
This study identifies and quantifies the spatial variations of metal contamination in water, sediment and biota: the common cockle (Cerastoderma edule) and the Mermaid’s glove sponge (Haliclona oculata), within a heavily anthropogenically impacted semi-enclosed estuarine–coastal area with a low ability to disperse and flush contaminants (Poole Harbour, UK). The results showed that metal contamination was detected in all environmental compartments. Water was polluted with As, and Hg sediment metals were mostly within “the possible effect range” in which adverse effects occasionally occurs. Cockles had considerable concentrations of Ni, Ag and Hg in areas close to pollution sources, and sponges accumulate Cu and Zn with very high magnitude. A systematic monitoring approach that includes biological monitoring techniques, which covers all embayments, is needed, and an integrated management of the semi-enclosed coastal zones should be based on the overall hydrological characteristics of these sensitive areas and their ability to self?restore which is different than open coastal zones
Semi-enclosed coastal zone, metal contamination, poole harbour, metal accumulation, pollution
0167-6369
3879-3895
Aly, Walid
1514bc1a-6858-4bf5-bed2-689f84f36926
Williams, Ian D.
c9d674ac-ee69-4937-ab43-17e716266e22
Hudson, Malcolm D.
1ae18506-6f2a-48af-8c72-83ab28679f55
Aly, Walid
1514bc1a-6858-4bf5-bed2-689f84f36926
Williams, Ian D.
c9d674ac-ee69-4937-ab43-17e716266e22
Hudson, Malcolm D.
1ae18506-6f2a-48af-8c72-83ab28679f55

Aly, Walid, Williams, Ian D. and Hudson, Malcolm D. (2013) Metal contamination in water, sediment and biota from a semi-enclosed coastal area. Environmental Monitoring and Assessment, 185 (5), 3879-3895.

Record type: Article

Abstract

This study identifies and quantifies the spatial variations of metal contamination in water, sediment and biota: the common cockle (Cerastoderma edule) and the Mermaid’s glove sponge (Haliclona oculata), within a heavily anthropogenically impacted semi-enclosed estuarine–coastal area with a low ability to disperse and flush contaminants (Poole Harbour, UK). The results showed that metal contamination was detected in all environmental compartments. Water was polluted with As, and Hg sediment metals were mostly within “the possible effect range” in which adverse effects occasionally occurs. Cockles had considerable concentrations of Ni, Ag and Hg in areas close to pollution sources, and sponges accumulate Cu and Zn with very high magnitude. A systematic monitoring approach that includes biological monitoring techniques, which covers all embayments, is needed, and an integrated management of the semi-enclosed coastal zones should be based on the overall hydrological characteristics of these sensitive areas and their ability to self?restore which is different than open coastal zones

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More information

Published date: 2013
Keywords: Semi-enclosed coastal zone, metal contamination, poole harbour, metal accumulation, pollution
Organisations: Civil Maritime & Env. Eng & Sci Unit

Identifiers

Local EPrints ID: 350269
URI: https://eprints.soton.ac.uk/id/eprint/350269
ISSN: 0167-6369
PURE UUID: ae60e755-de7b-4851-940f-3dc4bbe8ee8c
ORCID for Ian D. Williams: ORCID iD orcid.org/0000-0002-0121-1219

Catalogue record

Date deposited: 20 Mar 2013 16:58
Last modified: 06 Jun 2018 12:42

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Contributors

Author: Walid Aly
Author: Ian D. Williams ORCID iD

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