The impact of biodeposits from suspended mussel (Mytilus edulis) culture on the surrounding surficial sediments.

Chamberlain, Jon, Fernandes, Teresa, Read, P A, Nickell, T D and Davies, I M (2001) The impact of biodeposits from suspended mussel (Mytilus edulis) culture on the surrounding surficial sediments. ICES Journal of Marine Science, 58 (2). pp. 411-416. ISSN 1054-3139

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The effects of increased sedimentation on the macrobenthic community, physical structure, and biogeochemistry of the surficial sediment around two farms in southwest Ireland were examined in conjunction with current characteristics. Both farms had been in production for over eight years, were of reasonably large size (>100 MT) and located in low-energy environments. At one site, the benthic community was subjected to bulk sedimentation and organic enrichment and reduced macrobenthic infaunal diversity and elevated levels of organic carbon were recorded close to the farm. In general, effects were restricted to a radius of 40 m around the farm. Conversely, at the second site, there were no observed effects of mussel biodeposits on the benthos and a diverse macrobenthic community persisted. We propose that variations in the dispersion of biodeposits caused by local current patterns had a significant influence on the impact observed, and that this could also account for differences reported in other studies.

Item Type: Article
Print ISSN: 1054-3139
Electronic ISSN: 1095-9289
Uncontrolled Keywords: benthic impacts; biodeposition; mussel culture;
University Divisions/Research Centres: Faculty of Health, Life & Social Sciences > School of Life Sciences
Dewey Decimal Subjects: 500 Science > 550 Earth sciences & geology
500 Science > 570 Life sciences; biology > 570 Life sciences; biology
Library of Congress Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QH Natural history > QH301 Biology
G Geography. Anthropology. Recreation > GC Oceanography
Item ID: 1694
Depositing User: RAE Import
Date Deposited: 08 Jul 2008 10:57
Last Modified: 12 May 2015 11:21

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