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Ecological consequences of dredged material disposal in the marine environment: a holistic assessment of activities around the England and Wales coastline
Bolam, S.G.; Rees, H.L.; Somerfield, P.; Smith, R.; Clarke, K.R.; Warwick, R.M.; Atkins, M.; Garnacho, E. (2006). Ecological consequences of dredged material disposal in the marine environment: a holistic assessment of activities around the England and Wales coastline. Mar. Pollut. Bull. 52(4): 415-426. http://dx.doi.org/10.1016/j.marpolbul.2005.09.028
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, meer
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| Trefwoord |
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| Author keywords |
Dredged material; Environmental assessment; Monitoring; England and Wales |
| Auteurs | | Top |
- Bolam, S.G.
- Rees, H.L., meer
- Somerfield, P.
- Smith, R.
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- Clarke, K.R.
- Warwick, R.M.
- Atkins, M.
- Garnacho, E.
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| Abstract |
This study provides a holistic perspective on the ecological effects of dredged material disposal, both intertidally and subtidally. A number of numerical techniques (univariate, distributional, multivariate and meta-analysis) were used to assess impacts at 18 different disposal sites. The analyses revealed that ecological effects associated with dredged material disposal were dependent on the numerical techniques used, and that impacts were disposal-site specific. Disposal-site communities were generally faunistically impoverished to varying degrees, and impacts following intertidal placement were comparable to those of subtidal placement.We conclude that any assessment of the consequences of dredged material disposal to the coastal environment must take account of site-specific variation in prevailing hydrographic regimes and in ecological status, along with information on the disposal activity itself (mode, timing, quantity, frequency and type of material). As would be expected, variability in the latter presents a significant challenge in attempts to generalise about environmental and ecological impacts. |
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