Do Pacific cod (Gadus macrocephalus) and walleye pollock (Theregra chalcogramma) lack a herding response to the doors, bridles, and mudclouds of survey trawls?

ICES Journal of Marine Science

Volumn 61, Issue 7, 2004, Pages 1186-1189

  Somerton, David A ^a  

^a NOAA Alaska Fisheries Science Center   (United States)

Author keywords

bridle herding; Pacific cod; trawl efficiency; trawl survey; walleye pollock

Indexed keywords

CATCH PER UNIT EFFORT; FISHING GEAR; GADOID; TRAWLING;

PACIFIC OCEAN; PACIFIC OCEAN (NORTH);

GADUS; GADUS MACROCEPHALUS; GADUS MORHUA; MACROCEPHALUS; PLEURONECTIFORMES; POLLACHIUS VIRENS; STIZOSTEDION VITREUM; THERAGRA CHALCOGRAMMA;

EID: 6344226330     PISSN: 10543139     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.icesjms.2004.06.003     Document Type: Conference Paper

References (10)

1. Armistead, C. E., and Nichol, D. G. 1993. 1990 bottom trawl survey of the eastern Bering Sea continental shelf. U.S. Department of Commerce, NOAA Technical Memorandum, NMFS-AFSC-7, 190 pp.
2. Britt, L. L., and Martin, M. H. 2001. Data report: 1999 Gulf of Alaska bottom trawl survey. U.S. Department of Commerce, NOAA Technical Memorandum, NMFS-AFSC-121. 249 pp.
3. W. Dickson Estimation of the capture efficiency of trawl gear II: Testing a theoretical model Fisheries Research 16 1993 255 272
4. A. Engås, and O.R. Godø The effect of different sweep lengths on the length composition of bottom-sampling trawl catches Journal du Conseil International pour l'Exploration de la Mer 45 1989 263 268
5. J. Main, and G.I. Sangster A study of the fish capture process in a bottom trawl by direct observations from a towed underwater vehicle Scottish Fisheries Research Report 23 1981 1 23
6. J. Main, and G.I. Sangster A study of the sand clouds produced by trawl boards and their possible effect on fish capture Scottish Fisheries Research Report 20 1981 1 20
7. D.C. Ramm, and Y. Xiao Herding in groundfish and effective pathwidth of trawls Fisheries Research 24 1995 243 259
8. D.A. Somerton Bridle efficiency of a survey trawl for flatfish: measuring the length of the bridles in contact with the bottom Fisheries Research 60 2003 273 279
9. D. Somerton, J. Ianelli, S. Walsh, S. Smith, O.R. Godø, and D. Ramm Incorporating experimentally derived estimates of survey trawl efficiency into the stock assessment process: a discussion ICES Journal of Marine Science 56 1999 200 302
10. D.A. Somerton, and P. Munro Bridle efficiency of a survey trawl for flatfish Fishery Bulletin 99 2001 641 652