Precisely wrong or vaguely right: Simulations of noisy discard data and trends in fishing effort being included in the stock assessment of North Sea plaice

ICES Journal of Marine Science

Volumn 64, Issue 9, 2007, Pages 1641-1649

  Dickey Collas, Mark ^a   Pastoors, Martin A ^a   Van Keeken, Olvin A ^a  

^a WAGENINGEN UNIVERSITY   (Netherlands)

Author keywords

Bias; Discarding; Pleuronectes platessa; Simulated population; Stock assessment; Variance; XSA

Indexed keywords

ESTIMATION METHOD; FISHING EFFORT; FLATFISH; MORTALITY; POPULATION DECLINE; RECRUITMENT (POPULATION DYNAMICS); STOCK ASSESSMENT; STOCKING DENSITY;

PLEURONECTES; PLEURONECTES PLATESSA;

EID: 44649086661     PISSN: 10543139     EISSN: 10959289     Source Type: Journal    
DOI: 10.1093/icesjms/fsm155     Document Type: Article

References (54)

1. Allen, M., Kilpatrick, D., Armstrong, M., Briggs, R., Course, G., and Perez, N. 2002. Multistage cluster sampling design and optimal sample sizes for estimation of fish discards from commercial trawlers. Fisheries Research, 55: 11-24.
2. Alverson, D. L., Freeberg, M. H., Pope, J. G., and Murawski, S. A. 1994. A global assessment of fisheries bycatch and discards. FAO Fisheries Technical Paper, 339. 233 pp.
3. Borges, L., Rogan, E., and Officer, R. 2005. Discarding by the demersal fishery in the waters around Ireland. Fisheries Research, 76: 1-13.
4. Butterworth, D. S., and Punt, A. E. 1999. Experiences in the evaluation and implementation of management procedures. ICES Journal of Marine Science, 56: 985-998.
5. Casey, J. 1996. Estimating discards using selectivity data: the effects of including discard data in assessments of the demersal fisheries in the Irish Sea. Journal of Northwest Atlantic Fishery Science, 19: 91-102.
6. Cotter, A. J. R., Burt, L., Paxton, C. G. M., Fernandez, C., Buckland, S. T., and Pan, X. 2004. Are stock assessment methods too complicated? Fish and Fisheries, 5: 235-254.
7. Cotter, A. J. R., Course, G., Buckland, S. T., and Garrod, C. 2002. A PPS sample survey of English fishing vessels to estimate discarding and retention of North Sea cod, haddock, and whiting. Fisheries Research, 55: 25-35.
8. Daan, N. 1997. TAC management in North Sea flatfish fisheries. Journal of Sea Research, 37: 321-341.
9. Darby, C. D., and Flatman, S. 1994. Virtual Population Analysis: version 3.1 (Windows/DOS) user guide. Information Technology Series No. 1, Directorate of Fisheries Research, Lowestoft. 85 pp.
10. Dingsor, G. E. 2001. Estimation of discards in the commercial trawl fishery for Northeast Arctic cod (Gadus morhua L.) and some effects on assessment, University of Bergen. Department of Fisheries and Marine Biology. 86 pp.
11. Hilborn, R. 2003. The state of the art in stock assessment: where we are and where we are going. Scientia Marina, 67: 15-20.
12. ICES. 1981. Report of the ad hoc Working Group on the Use of Effort Data in Assessments, 2-6 March 1981, Copenhagen. ICES Document CM 1981/G: 5.
13. ICES. 1983. Report of the Working Group on Methods of Fish Stock Assessment, 20-26 May 1983, Copenhagen. ICES Document CM 1983/Assess: 17.
14. ICES. 1986. Report of the Working Group on Methods of Fish Stock Assessment, 20-26 November 1985, Copenhagen. ICES Document CM 1986/Assess: 10.
15. ICES. 1987. Report of the Working Group on Methods of Fish Stock Assessment, 9-16 June 1987, Copenhagen. ICES Document CM 1987/Assess: 24.
16. ICES. 1995. Report of the Working Group on Methods of Fish Stock Assessment, 6-14 February 1995, Copenhagen. ICES Document CM 1995/Assess: 11.
17. ICES. 1998. Report of the study group on the precautionary approach to fisheries management, 3-6 February 1998, Copenhagen. ICES Document CM 1998/Assess: 10, ref D.
18. ICES. 2003. Report of the Working Group on Methods of Fish Stock Assessment, 29 January-5 February 2003. ICES Document CM 2003/D: 03, ref ACFM, G.
19. ICES. 2004. Report of the Working Group on Methods of Fish Stock Assessment, 11-18 February 2004, Lisbon. ICES Document CM 2004/D: 03, ref ACFM, G.
20. ICES. 2005. Report of the Working Group on the Assessment of Demersal Stocks in the North Sea and Skagerak, 7-16 September 2004, Bergen. ICES Document CM 2005/ACFM: 07.
21. ICES. 2006a. Report of the Working Group on the Assessment of Demersal Stocks in the North Sea and Skagerak, 6-15 September 2005, Copenhagen. ICES Document CM 2006/ACFM: 09.
22. ICES. 2006b. Report of the Workshop on Advanced Fish Stock Assessment Techniques (WKAFAT), 23-28 February 2006, Copenhagen. ICES Document CM 2006/RMC: 01.
23. Jonsson, S. T., and Hjörleifsson, E. 2000. Stock assessment bias and variation analyzed retrospectively and introducing the PA-residual. ICES Document CM 2000/X: 9.
24. Kell, L. T., Cotter, J. R., Van Keeken, O. A., Pastoors, M. A., O'Brien, C. M., Piet, G. J., and Rackham, B. D. 2003. The influence on stock assessment advice of sampling error in research survey and international market sampling data for North Sea cod (Gadus morhua L.) and plaice (Pleuronectes platessa L.). ICES Document CM 2003/X: 5.
25. Kell, L. T., O'Brien, C. M., Smith, M. T., Stokes, T. K., and Rackham, B. D. 1999. An evaluation of management procedures for implementing a precautionary approach in the ICES context for North Sea plaice (Pleuronectes platessa L.). ICES Journal of Marine Science, 56: 834-845.
26. Kell, L. T., Pastoors, M. A., Scott, R. D., Smith, M. T., Van Beek, F. A., O'Brien, C. M., and Pilling, G. M. 2005. Evaluation of multiple management objectives for Northeast Atlantic flatfish stocks: sustainability vs. stability of yield. ICES Journal of Marine Science, 62: 1104-1117.
27. Kell, L. T., Pilling, G. M., Kirkwood, G. P., Pastoors, M. A., Mesnil, B., Korsbrekke, K., Abaunza, P. et al. 2006. An evaluation of multiannual management strategies for ICES roundfish stocks. ICES Journal of Marine Science, 63: 12-24.
28. Kelly, C. J., and Codling, E. A. 2006. 'Cheap and dirty' fisheries science and management in the North Atlantic. Fisheries Research, 79: 233-238.
29. Kraak, S. B. M., Buisman, F. C., Dickey-Collas, M., Poos, J. J., Pastoors, M. A., Smit, J. G. P., Daan, N. et al. 2004. How can we manage mixed fisheries? A simulation study of the effect of management choices on the sustainability and economic performance of a mixed fishery. ICES Document CM 2004/FF: 11.
30. Marchal, P. M., Ulrich, C. M., Korsbrekke, K., Pastoors, M. A., and Rackham, B. 2003. Annual trends in catchability and fish stock assessments. Scientia Marina, 67: 63-73.
31. Mohn, R. 1999. The retrospective problem in sequential population analysis: an investigation using the cod fishery and simulated data. ICES Journal of Marine Science, 56: 473-488.
32. National Research Council (NRC). 1998. Improving Fish Stock Assessments. National Academy Press, Washington, DC. 177 pp.
33. O'Brien, C. M., Darby, C. D., Maxwell, D. L., Rackham, B. D., Degel, H., Flatman, S., Pastoors, M. A. et al. 2001. The precision of international market sampling for North Sea plaice (Pleuronectes platessa L.) and its influence on stock assessment. ICES Document CM 2001/P: 13.
34. Peterman, R. M. 2004. Possible solutions to some challenges facing fisheries scientists and managers. ICES Journal of Marine Science, 61: 1331-1343.
35. Piet, G. J., and Rice, J. C. 2004. Performance of precautionary reference points in providing management advice on North Sea fish stocks. ICES Journal of Marine Science, 61: 1305-1312.
36. Punt, A. E., Smith, A. D. M., and Cui, G. 2002a. Evaluation of management tools for Australia's South East fishery. 1. Modelling the South East fishery taking into account technical interactions. Marine and Freshwater Research, 53: 615-629.
37. Punt, A. E., Smith, A. D. M., and Cui, G. 2002b. Evaluation of management tools for Australia's South East fishery. 2. How well can management quantities be estimated? Marine and Freshwater Research, 53: 631-644.
38. Punt, A. E., Smith, A. D. M., and Cui, G. 2002c. Evaluation of management tools for Australia's South East fishery. 3. Towards selecting appropriate harvest strategies. Marine and Freshwater Research, 53: 645-660.
39. Punt, A. E., Smith, D. C., Tuck, G. N., and Methot, R. D. 2006. Including discard data in fisheries stock assessments: two case studies from south-eastern Australia. Fisheries Research, 79: 239-250.
40. Restrepo, V. R. 1998. Analysis of simulated data sets in support of the NRC study on stock assessment methods. NOAA Technical Memorandum, NMFS-F/SPO-30.
41. Rijnsdorp, A. D., Daan, N., and Dekker, W. 2006. Partial fishing mortality per fishing trip: a useful indicator of effective fishing effort in mixed demersal fisheries. ICES Journal of Marine Science, 63: 556-566.
42. Rochet, M-J., Péronnet, I., and Trenkel, V. M. 2002. An analysis of discards from the French trawler fleet in the Celtic Sea. ICES Journal of Marine Science, 59: 538-552.
43. Rochet, M-J., and Trenkel, V. M. 2005. Factors for the variability of discards: assumptions and field evidence. Canadian Journal of Fisheries and Aquatic Sciences, 62: 224-235.
44. Rosenberg, A. A., and Restrepo, V. R. 1994. Uncertainty and risk evaluation in stock assessment advice for U.S. marine fisheries. Canadian Journal of Fisheries and Aquatic Sciences, 51: 2715-2720.
45. Shepherd, J. G. 1999. Extended survivors analysis: an improved method for the analysis of catch-at-age data and abundance indices. ICES Journal of Marine Science, 56: 584-591.
46. STECF 2005. 19th Report of the Scientific, Technical and Economic Committee for Fisheries. Commission of the European Communities, Brussels. SEC (2005) 369. 111 pp.
47. Stratoudakis, Y., Fryer, R. J., and Cook, R. M. 1998. Discarding practices for commercial gadoids in the North Sea. Canadian Journal of Fisheries and Aquatic Sciences, 55: 1632-1644.
48. Stratoudakis, Y., Fryer, R. J., Cook, R. M., and Pierce, G. J. 1999. Fish discarded from Scottish demersal vessels: estimators of total discards and annual estimates for targeted gadoids. ICES Journal of Marine Science, 56: 592-605.
49. Tamsett, D., Janacek, G., Emberton, M., Lart, B., and Course, G. 1999. Onboard sampling for measuring discards in commercial fishing based on multilevel modelling of measurements in the Irish Sea from NW England and N Wales. Fisheries Research, 42: 117-135.
50. Ulrich, C. M., Pascoe, S., Sparre, P. J., De Wilde, J. W., and Marchal, P. M. 2002. Influence of trends in fishing power on bio-economics in the North Sea flatfish fishery regulated by catches- or by effort quotas. Canadian Journal of Fisheries and Aquatic Sciences, 59: 829-843.
51. Van Beek, F. A. 1998. Discarding in the Dutch beam trawl fishery. ICES Document CM 1998/BB: 5.
52. Van Beek, F. A., Van Leeuwen, P. I., and Rijnsdorp, A. D. 1990. On the survival of plaice and sole discards in the otter-trawl and beamtrawl fisheries in the North Sea. Netherlands Journal of Sea Research, 26: 151-160.
53. Van Keeken, O. A., Dickey-Collas, M., Kraak, S. B. M., Poos, J. J., and Pastoors, M. A. 2003. The use of simulations of discarding to investigate the potential impact of bias, due to growth, on the stock assessment of North Sea plaice (Pleuronectes platessa). ICES Document CM 2003/X: 17.
54. Yin, Y., and Sampson, D. B. 2004. Bias and precision of estimates from an age-structured stock assessment program in relation to stock and data characteristics. North American Journal of Fisheries Management, 24: 865-879.