Publication Abstract

Title
Experiments to assess the relative dredging performances of research and commercial vessels for estimating the abundance of scallops (Pecten maximus) in the western English Channel fishery
Publication Abstract
ability aboard about abundance abundances acceptable according achieved across actual addressed adequately adjusted against agriculture allocated almost along also although always analyses analysis anti apparent approximate area areas around arrays assess assessment associated attain attractive authors authors: back based beams belly below biomass 'box' british broad-scale calculated cali calibration cantly capable captured cases catch catchcommercial catchcovs catchcovstes catchcow catches catching catchnellie catchy caught channel chapmacn chapman characteristics chartered clione coast combined commercial commercially comparative compared comparison compositions concluded conclusions conditions conducted confined connopr consequently considered consisted constant construed contained contents contrast converted co-ordinates copyright corella cornish cornwall corresponding corysl corystes corystes; could counted coupled cpue criticism crown darby dare darep data date days' debris decca demonstration densities density deploy deployed depth design diagram diameters differed difference differences different direct directly directorate discussion distances distributed distribution distributions diving division dredge dredgers dredges dredges; dredggs dredging duration durations during e[catchy effect effects efficiencies efficiency effort either employed endorsement england english enlarged environmental equations equations: equivalent error errors errors: estimate estimated estimating even exceed expanse expected experienced experimental experiments explain explained exploitable exploitation expressed extent factor factors features feet field figure figures finer fish fished fisheries fishery fishing fitted flower following food form formed found four fowey-eddystone frel frequency frequently frst f-test function future fvnauru fvnellie gave gear generally gives grade gravels ground grounds group groups hatched hauling height heights high higher hinder howell however human ices identical identify iency implied implies importance indicate indicators individual industry inexperience information inshore inter- interaction internal interpret intervals inter-year into introduction irregular july kilometre kinnear knot knots known laboratory lanes large later legal length lengths less levels likely linear lines loaded local location logs longer lower lowestoft lshloo maff management marketing masonj material materials maximus mean measure measured mesh metal methods metre might mile mimeo minimum ministry minor minutes model modus mortality -mresearch much multi-purpose natural nauru nautical nauu nawu necessarily nellie netting newhaven normal normally now: number numbers observations observed occasionally occurs officer offthe oficial often only operandi operated operating operational operations overall page palmer palrner 'parallel' part partly past 'patches' patterns pecten pectinid performance performances periods personnel platform plot plotted plymouth points portsmouth positions possible practices predict preliminary presents primary principal probably procedures productive products proportion protocol provide raising range ranged rates ratio readily realistic record recorded rectangle reduced references reflecting regarded regards regression regular regularly relationships relative reliable removed report reported reproduction requests research respectively result results rings rope routine rvcorystes same sampled sampling sand satisfactory scale scaled scales scaling scallop scalloper scallopers scallops scallopsper schematic scientific scott scottish seabed second selected sense sets setting settings shaded shell should showed showing shown signifi- significant significantly similar since size sizes size-specific skipper small somewhat south spacing spatial specified speed speeds spring- spring-loaded standard start state station stations statistical statistically s'th stock stocks stones stream subsamples substrates such sufficient surveys swell swells symmetrically table taken taking tech technical teeth terms test then there therefore though three thus tidal ting together toothbars total towed towing trial trials ts:fvnauru types typical undertaken unit upper used variance variation variations various vcommercia=l vcovstes vening vessel vessels vessels; virtually vnellie v'th wales warp waters wave waves weather weave well were western whether while whilst wide width wind work worked year years ystes y'th
Publication Internet Address of the Data
techrep/tech96.pdf
Publication Authors
P.J. Dare*, D.W. Palmer*, M.L. Howell* and C.D. Darby*
Publication Date
January 1994
Publication Reference
Fisheries Research Technical Report, MAFF Directorate of Fisheries Research, Lowestoft, 96: 9pp
Publication DOI: https://doi.org/