Sedimentation patterns caused by scallop dredging in a physically dynamic environment

Marine Pollution Bulletin

Volumn 62, Issue 11, 2011, Pages 2433-2441

  Dale, A C ^a   Boulcott, P ^b   Sherwin, T J ^a  

^a SCOTTISH MARINE INSTITUTE   (United Kingdom)

^b MARINE LABORATORY   (United Kingdom)

Author keywords

Dispersion; Fishing impact; Scallop dredging; Sediment; Suspension

Indexed keywords

BED SEDIMENTS; CUMULATIVE EFFECTS; DYNAMIC ENVIRONMENTS; FAR-FIELD; FISHING IMPACT; LOW-INTENSITY; NEAR-FIELD; REGIONAL MODEL; SAND PARTICLES; SCOTLAND; SEDIMENTATION PATTERN; STEADY CURRENT; TIDAL CYCLE;

ANOXIC SEDIMENTS; DISPERSION (WAVES); ECOSYSTEMS; REEFS; SEDIMENT TRANSPORT; SEDIMENTOLOGY; SEDIMENTS; SHELLFISH; SILT; SUSPENDED SEDIMENTS; SUSPENSIONS (FLUIDS);

DREDGING;

BIVALVE; DISPERSION; ENVIRONMENTAL IMPACT; FISHING; PARTICLE SETTLING; REEF; SEDIMENT TRANSPORT; SEDIMENTATION;

ARTICLE; CLAY; CONCENTRATION (PARAMETERS); DREDGING; ENVIRONMENTAL IMPACT; GEOGRAPHIC DISTRIBUTION; GEOGRAPHICAL VARIATION (SPECIES); HYDRODYNAMICS; PARTICLE RESUSPENSION; PARTICLE SIZE; PREDICTION; SAND; SCALLOP; SEDIMENT TRANSPORT; SEDIMENTATION RATE; WATER POLLUTION;

ANIMALS; ECOSYSTEM; FISHERIES; GEOLOGIC SEDIMENTS; MODELS, THEORETICAL; OCEANS AND SEAS; PECTINIDAE; SCOTLAND; SILICON DIOXIDE; WATER MOVEMENTS;

ARGYLL AND BUTE; FIRTH OF LORN; SCOTLAND; UNITED KINGDOM;

EID: 82455179430     PISSN: 0025326X     EISSN: 18793363     Source Type: Journal    
DOI: 10.1016/j.marpolbul.2011.08.024     Document Type: Article

References (29)

1. Airoldi L. The effects of sedimentation on rocky coast assemblages. Oceanogr. Mar. Biol. 2003, 41:161-236.
2. Bell C., Carlin L. Generation of UK tidal stream atlases from regularly gridded hydrodynamic modelled data. J. Navigation 1998, 51:73-78.
3. Black K.P., Parry G.D. Entrainment, dispersal, and settlement of scallop dredge sediment plumes: field measurements and numerical modelling. Can. J. Fish. Aquat. Sci. 1999, 56:2271-2281.
4. Caddy J.F. Underwater observations on tracks of dredges and trawls and some effects of dredging on scallop ground. J. Fish. Res. Board Can. 1973, 30:173-180.
5. Churchill J.H. The effect of commercial trawling on sediment resuspension and transport over the Middle Atlantic Bight continental shelf. Cont. Shelf Res. 1989, 9:841-864.
6. Collie J.S., Escanero G.A., Valentine P.C. Effects of bottom fishing on the benthic megafauna of Georges bank. Mar. Ecol.-Prog. Ser. 1997, 155:159-172.
7. de Groot S.J. The impact of bottom trawling on benthic fauna of the North Sea. Ocean Manage. 1984, 9:177-190.
8. Elliott A.J., Barr A.G., Kennan D. Diffusion in Irish coastal waters. Estuar. Coast. Shelf Sci. 1997, 44:15-23.
9. Flather R.A. A tidal model of the northwest European continental shelf. Mémoires de la Société Royale des Sciences de Liège 1976, 10:141-164.
10. Folk R.L. The distinction between grain size and mineral composition in sedimentary-rock nomenclature. J. Geol. 1954, 62:344-359.
11. Fredsøe, J., Deigaard, R., 1992. Mechanics of Coastal Sediment Transport. World Scientific Pub Co Inc.
12. Hall-Spencer J.M., Moore P.G. Scallop dredging has profound, long-term impacts on maerl habitats. ICES J. Mar. Sci. 2000, 57:1407-1415.
13. Holt J.T., James I.D. An s coordinate density evolving model of the northwest European continental shelf-1, model description and density structure. J. Geophys. Res.-Oceans 2001, 106:14015-14034.
14. Holt J.T., James I.D., Jones J.E. An s coordinate density evolving model of the northwest European continental shelf-2, seasonal currents and tides. J. Geophys. Res.-Oceans 2001, 106:14035-14053.
15. Howson, C.M., Mercer, T., Moore, J.J., 2006. Site condition monitoring: survey of rocky reefs in the Firth of Lorn marine Special Area of Conservation, Scottish Natural Heritage Commissioned Report No. 109.
16. Jones K.J., Gowen R.J., Tett P. Water column structure and summer phytoplankton distribution in the Sound of Jura, Scotland. J. Exp. Mar. Biol. Ecol. 1984, 78:269-289.
17. Kaiser M.J., Clarke K.R., Hinz H., Austen M.C.V., Somerfield P.J., Karakassis I. Global analysis of response and recovery of benthic biota to fishing. Mar. Ecol.-Prog. Ser. 2006, 311:1-14.
18. Kaiser M.J., Edwards D.B., Armstrong P.J., Radford K., Lough N.E.L., Flatt R.P., Jones H.D. Changes in megafaunal benthic communities in different habitats after trawling disturbance. ICES J. Mar. Sci. 1998, 55:353-361.
19. Lindegarth M., Valentinsson D., Hansson M., Ulmestrand M. Interpreting large-scale experiments on effects of trawling on benthic fauna: an empirical test of the potential effects of spatial confounding in experiments without replicated control and trawled areas. J. Exp. Mar. Biol. Ecol. 2000, 245:155-169.
20. Main, J., Sangster, G., 1981. A study of the sand clouds produced by trawl boards and their possible effect on fish capture, Scottish Fisheries Research Report no. 20.
21. O'Neill, F.G., Summerbell, K., Breen, M., 2008. The suspension of sediment by scallop dredges. Fisheries Research Services Internal Report.
22. Okubo A. Oceanic diffusion diagrams. Deep-Sea Res. 1971, 18:789-802.
23. Palmer, D.W., 2007. Scallop dredging in the Firth of Lorn Special Area for Conservation: a review of Scallop fishing activity. Report to Scottish Natural Heritage by CEFAS, UK.
24. Perry C. Sedimentation in the Firth of Lorn, marine special area of conservation, Scottish marine and freshwater science. Mar. Scotland-Sci. 2010, 1(19).
25. Thrush S.F., Hewitt J.E., Cummings V.J., Dayton P.K. The impact of habitat disturbance by scallop dredging on marine benthic communities: what can be predicted from the results of experiments?. Mar. Ecol.-Prog. Ser. 1995, 129:141-150.
26. UK Hydrographic Office, 2008. Admiralty Sailing Directions. West Coast of Scotland Pilot, NP66, 16th ed. UKHO, Taunton, UK.
27. Viana, M., 2008. Summary of the fishing activity of a small scallop dredger in the Firth of Lorn special area of conservation. Fisheries Research Services Internal Report No. 06/08.
28. Watling L., Norse E.A. Disturbance of the seabed by mobile fishing gear: a comparison to forest clearcutting. Conserv. Biol. 1998, 12:1180-1197.
29. Zimmerman J.T.F. The tidal whirlpool - a review of horizontal dispersion by tidal and residual currents. Neth. J. Sea Res. 1986, 20:133-154.