Effects of gear modifications on the trawl performance and catching efficiency of the west coast upper continental slope groundfish survey trawl

Marine Fisheries Review

Volumn 60, Issue 1, 1998, Pages 1-26

  Lauth, Robert R ^a   Syrjala, Stephen E ^a   Mcentire, Scott W ^a  

^a ALASKA FISHERIES SCIENCE CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BOTTOM TRAWLING; CONTINENTAL SLOPE; FISHING GEAR; PERFORMANCE ASSESSMENT;

PACIFIC OCEAN;

EID: 0032462139     PISSN: 00901830     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (41)

1. Adams, P. B., J. L. Butler, C. H. Baxter, T. E. Laidig, K. A. Dahlin, and W. W. Wakefield. 1995. Population estimates of Pacific coast groundfishes from video transects and swept-area trawls. Fish. Bull. 93:446-455.
2. Bergh, M. O., E. K. Pikitch, J. R. Skalski, and J. R. Wallace. 1990. The statistical design of comparative fishing experiments. Fish. Res. 9:143-163.
3. Brodziak, J., L. Jacobson, R. Lauth, and M. Wilkins. 1997. Assessment of the Dover sole stock for 1997. In Status of the Pacific coast groundfish fishery through 1997 and recommended acceptable biological catches for 1998, Appendix, 133 p. Avail. from Pac. Fish. Manage. Counc., 2130 SW Fifth Ave., Suite 224, Portland, OR 97201.
4. Byrne, C. J., and J. R. S. Forrester. 1987. Effect of a gear change on a standardized bottom trawl survey time series. In Proceedings. Oceans '87. The ocean - an international workplace. Vol. 2. Marine Engineering; Policy, Education and Technology Transfer, p. 617-621. IEEE Ocean Eng. Soc., N.Y. Publ. IEEE-87CH2498-4.
5. Carrothers, P. J. G. 1981. Catch variability due to variations in groundfish otter trawl behavior and possibilities to reduce it through instrumented fishing gear studies and improved fishing procedures. In W. G. Doubleday and D. Rivard (Editors), Bottom trawl surveys, p. 247-257. Can. Spec. Publ. Fish. Aquat. Sci. 58.
6. nd ed. John Wiley and Sons, N.Y., 420 p.
7. Crone, P. R., R. D. Methot, R. J. Conser, R. R. Lauth, and M. E. Wilkins. 1997. Status of the sablefish resource off the U.S. Pacific coast in 1997. In Status of the Pacific coast groundfish fishery through 1997 and recommended acceptable biological catches for 1998, Appendix, 135 p. Avail. from Pac. Fish. Manage. Counc., 2130 S.W. Fifth Ave., Suite 224, Portland, OR 97201.
8. Dahm, E., and H. Wienbeck. 1992. Escapement of fish underneath the groundrope of a standard bottom trawl used for stock assessment purposes in the North Sea. ICES-CM-1989/ B:20, 22 p.
9. Dark, T. A., and M. E. Wilkins. 1994. Distribution, abundance, and biological characteristics of groundfish off the coast of Washington, Oregon, and California, 1977-1986. U.S. Dep. Commer., NOAA Tech. Rep. NMFS 117, 73 p.
10. Engås, A., and O. R. Godø. 1986. Influence of trawl geometry and vertical distribution of fish on sampling with bottom trawl. J. Northwest Atl. Fish. Sci. 7(1):35-42.
11. _ and _ . 1989. Escape of fish under the fishing line of a Norwegian sampling trawl and its influence on survey results. J. Cons. Cons. Int. Explor. Mer 45:269-276.
12. _ , J. A. Jacobsen, and A. V. Soldal. 1988. Catch comparison between rockhoppers and bobbin ground gear on the Norwegian bottom sampling trawl. ICES-CM-1988/B:31, 12 p.
13. Foster, J. J., C. M. Campbell, and G. C. W. Sabin. 1981. The fish catching process relevant to trawls. In W. G. Doubleday and D. Rivard (Editors), Bottom trawl surveys, p. 229-246. Can. Spec. Publ. Fish. Aquat. Sci. 58.
14. Godø, O. R., and S. J. Walsh. 1992. Escapement of fish during bottom trawl sampling - implications for resource assessment. Fish. Res. 13:281-292.
15. He, P. 1993. Swimming speeds of marine fish in relation to fishing gears. In C. S. Wardle and C. E. Hollingworth (Editors), Fish behavior in relation to fishing operations, p. 183-189. ICES Mar. Sci. Symp. 196.
16. Ianelli, J. N., R. Lauth, and L. D. Jacobson. 1994. Status of the thornyhead (Sebastolobus sp.) resource in 1994. In Status of the Pacific coast groundfish fishery through 1994 and recommended acceptable biological catches for 1995, Appendix D. Avail. from Pac. Fish. Manage. Counc., 2130 S.W. Fifth Ave., Suite 224, Portland, OR 97201.
17. Jacobson, L. D. 1990. Thornyheads-stock assessment for 1990. In Status of the Pacific coast groundfish fishery through 1990 and recommended acceptable biological catches for 1991, Appendix D. Avail. from Pac. Fish. Manage. Counc., 2130 S.W. Fifth Ave., Suite 224, Portland, OR 97201.
18. _ . 1991. Thornyheads-stock assessment for 1991. In Status of the Pacific coast groundfish fishery through 1990 and recommended acceptable biological catches for 1992, Appendix D. Avail. from Pac. Fish. Manage. Counc., 2130 S.W. Fifth Ave., Suite 224, Portland, OR 97201.
19. Jacobson, L. J., and J. R. Hunter. 1993. Bathymetric demography and management of Dover sole. N. Am. J. Fish. Manage. 13:405-420.
20. _ and R. D. Vetter. 1996. Bathymetric demography and niche separation of thornyhead rockfish: Sebastolobus alascanus and Sebastolobus altivelis. Can. J. Fish. Aquat. Sci. 53:600-609.
21. Krieger, K. J. 1993. Distribution and abundance of rockfish determined from a submersible and by bottom trawling. Fish. Bull. 91:91-96.
22. Lauth, R. R. 1997a. The 1995 Pacific West Coast upper continental slope trawl survey of groundfish resources off southern Oregon and northern California: Estimates of distribution, abundance, and length composition. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-80, 110 p.
23. _ . 1997b. The 1996 Pacific West Coast upper continental slope trawl survey of groundfish resources off Washington and Oregon: Estimates of distribution, abundance, and length composition. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-81, 156 p.
24. _ , M. E. Wilkins, and P. A. Raymore Jr. 1997. Results of trawl surveys of groundfish resources of the West Coast upper continental slope from 1989 to 1993. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-79, 342 p.
25. Main, J., and G. I. Sangster. 1979. A study of sand bottom trawling gear on both sand and hard ground. Scott. Fish. Res. Rep. 14, 15 p.
26. _ and _. 1981. A study of sand clouds produced by trawl boards and their possible effect on fish capture. Scott. Fish. Res. Rep. 20, 20 p.
27. _ and _. 1983. Fish reactions to trawl gear - a study comparing light and heavy ground gear. Scott. Fish. Res. Rep. 27, 17 p.
28. Methot, R. D. 1992. Assessment of the west coast sablefish stock in 1992. In Status of the Pacific coast groundfish fishery through 1992 and recommended acceptable biological catches for 1993. Appendix D. Avail. from Pac. Fish. Manage. Counc., 2130 S.W. Fifth Ave., Suite 224, Portland, OR 97201.
29. _ . 1994. Assessment of the west coast sablefish stock in 1994. Appendix B. In Status of the Pacific coast groundfish fishery through 1994 and recommended acceptable biological catches for 1995. Avail. from Pac. Fish. Manage. Counc., 2130 S.W. Fifth Ave., Suite 224, Portland, OR 97201.
30. Munro, P. T., K. L. Weinberg, and D. Somerton. 1997. Estimating size-dependent capture rates at the footrope of two different kinds of survey trawls. ICES-CM-1997/W:06, 18 p.
31. Parks, N. B., F. R. Shaw, and R. L. Henry. 1993. Results of a 1988 trawl survey of groundfish resources of the upper continental slope off Oregon. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-23, 164 p.
32. Raymore, P. A., Jr., and K. L. Weinberg. 1990. 1984 spring and autumn surveys of Pacific West Coast upper continental slope groundfish resources. U.S. Dep. Commer., NOAA Tech. Memo. NMFS F/NWC-179, 196 p.
33. Rogers, J. B., L. D. Jacobson, R. Lauth, J. N. Ianelli, and M. E. Wilkins. 1997. Status of the thornyhead resource in 1997. In Appendix: Status of the Pacific coast groundfish fishery through 1997 and recommended acceptable biological catches for 1998, 91p. Avail. from Pac. Fish. Manage. Counc., 2130 S.W. Fifth Ave., Suite 224, Portland, OR 97201.
34. Rose, C. S., and G. E. Walters. 1990. Trawl width variation during bottom trawl surveys: causes and consequences. In L-L. Low (Editor) Proceedings of the Symposium on Application of Stock Assessment Techniques to Gadoids, p. 57-67. Int. North Pac. Fish. Comm. Bull. 50.
35. Shaw, F. R., and N. B. Parks. 1997. Movement patterns of tagged sablefish, Anoplopoma fimbria, recovered on seamounts in the northeast Pacific Ocean and Gulf of Alaska. U.S. Dep. Commer., NOAA Tech. Rep. NMFS 130, p. 151-158.
36. Turnock, J. M., and R. D. Methot 1992. Status of west coast Dover sole in 1992. Appendix E. In Status of the Pacific coast groundfish fishery through 1991 and recommended acceptable biological catches for 1992. Avail. from Pac. Fish. Manage. Counc., 2130 S.W. Fifth Ave., Suite 224, Portland, OR 97201.
37. Turnock, J. M., M. Wilkins, M. Saelens, and R. Lauth. 1994. Assessment of the west coast Dover sole in 1994. Appendix C. In Status of the Pacific coast groundfish fishery through 1994 and recommended acceptable biological catches for 1995. Avail. from Pac. Fish. Manage. Counc., 2130 S.W. Fifth Ave., Suite 224, Portland, OR 97201.
38. Wakefield, W. W. 1990. Patterns in the distribution of demersal fishes on the upper continental slope off central California with studies on the role of ontogenetic vertical migration in particle flux. Ph.D. thesis, Scripps Institution of Oceanography, University of California, San Diego, CA.
39. Walsh, S. J. 1992. Size-dependent selection at the footgear of a groundfish survey trawl. N. Am. J. Fish. Manage. 12(3):625-633.
40. _ , A. Koeller, and W. D. McKone (Editors). 1993. Proceedings of the International Workshop on Survey Trawl Mensuration, Northwest Atlantic Fisheries Centre, St. John's Newfoundland, March 18-19, 1991. Can. Tech. Rep. Fish. Aquat. Sci. No. 1911.
41. West, C. W. 1981. Factors affecting bottom trawl behavior: Results of experiments with 83/112 Eastern trawls towed from the NOAA ship Miller Freeman. U.S. Dep. Commer., NOAA Tech. Memo. NMFS F/NWC-16, 36 p.