Accounting for changes in spatial distribution of groundfish when estimating abundance from commercial fishing data

Fisheries Research

Volumn 28, Issue 3, 1996, Pages 321-342

  Kulka, D W ^a   Pinhorn, A T ^a   Halliday, R G ^a   Pitcher, D ^b   Stansbury, D ^a  

^a FISHERIES AND OCEANS CANADA   (Canada)

^b Jacques Whitford Ltd   (Canada)

Author keywords

Biomass; Cod; Index of abundance; Spatial analysis

Indexed keywords

GADUS MORHUA;

ABUNDANCE; ABUNDANCE ESTIMATION; CATCH DATA; CATCH RATE INDEX; FISH CATCH STATISTICS; GROUNDFISH; POTENTIAL MAPPING; SPATIAL DISTRIBUTION; STOCK ASSESSMENT;

EID: 0030251413     PISSN: 01657836     EISSN: None     Source Type: Journal    
DOI: 10.1016/0165-7836(96)00508-5     Document Type: Article

References (23)

1. Anonymous, 1991. SPANS. Spatial analysis system. Vol. 1. Reference Manual. Inter-Tydac Technologies, 3rd Edition.
2. Baird, J.M., Bishop, C.A. and Murphy, E.F., 1991. An assessment of the cod stock in NAFO Divisions 2J3KL. CAFSAC Research Document 91/53, 84 pp.
3. Baird, J.M., Bishop, C.A., Brodie, W.B. and Murphy, E.F., 1992. An assessment of the cod stock in NAFO Divisions 2J3KL. CAFSAC Research Document 92/75, 76 pp.
4. Bishop, C.A., Murphy, E.F., Davis, M.B., Baird, J.M. and Rose, G.A., 1993. An assessment of the cod stock in NAFO divisions 2J + 3KL. NAFO SCR Document 93/86, 51 pp.
5. Burrough, P.A., 1986. Principles of Geographical Information Systems for Land Resource Assessment. Clarendon Press, Oxford.
6. Crecco, V. and Overholtz, W.J., 1990. Causes of density-dependent catchability for Georges Bank haddock Melanogrammus aeglefinus. Can. J. Fish. Aquat. Sci., 47: 385-394.
7. de Young and Rose, 1993. On recruitment and distribution of Atlantic cod (Gadus morhua) off Newfoundland. Can. J. Fish. Aquat. Sci., 50: 2729-2741.
8. Fréchet, A. and Gagnon, P., 1993. Changes in distribution and failure of the winter fixed gear cod (Gadus morhua) fishery off southwestern Newfoundland. NAFO Sci. Coun. Stud., 18: 71-77.
9. Gavaris, 1980. Use of a multiplicative model to estimate catch rate and effort from commercial data. Can. J. Fish. Aquat. Sci., 37: 2272-2275.
10. Gulland, J.A., 1955. Estimation of growth and mortality in commercial fish populations. Fish. Invest., Lond., (2) 18 (9), 47 pp.
11. Gulland, J.A., 1956. On the fishing effort in English demersal fisheries. Fish. Invest., Lond., (2) 20 (5), 41 pp.
12. Halliday, R.G and Pinhom, A.T., 1990. The delimitation of fishing areas in the Northwest Atlantic. J. Northw. Atl. Fish. Sci., 10: 1-51.
13. Kulka, D.W., 1990. Areal patterns in the 2J3KL offshore witch fishery, 1979-89. CAFSAC Research Document 90/82, 9 pp.
14. Kulka, D.W., Wroblewski, J.S. and Naryanan, S., 1995. Inter-annual patterns in the winter distribution and recent changes and movements of northern Atlantic cod (Gadus morhua Linnaeus, 1758) on the Newfoundland-Labrador shelf. ICES J. Mar. Sci., 52: in press.
15. Lear, W.H., 1984. Discrimination of the stock complex of Atlantic cod (Gadus morhua) of southern Labrador and eastern Newfoundland, as inferred from tagging studies. J. Northw. Atl. Fish. Sci., 5: 143-159.
16. Lilly G.R., 1994. Predation by Atlantic cod on capelin on southern Labrador and Northeast Newfoundland shelves during a period of changing spatial distributions. ICES Mar. Sci. Symp., 198: 600-611.
17. Paloheimo, J.E. and Dickie, L.M., 1964. Abundance and fishing success. Rapp. p.-v. Reun. Cons. Int. Explor. Mer., 155: 152-163.
18. Pope, J.G. and Garrod, D.J., 1975. Sources of error in catch and effort quota regulations with particular reference to variations in the catchability coefficients. ICNAF Res. Bull., 11: 17-30.
19. Rose, G.A., 1993. Cod spawning on a migration highway in the Northwest Atlantic. Nature, 366: 458-461.
20. Rose, G.A., Atkinson, B.A., Baird, J.W., Bishop, C.A. and Kulka, D.W., 1994. Atlantic cod distribution changes and thermal variations in Newfoundland waters, 1980-1992. ICES Mar. Sci. Symp., 198: 542-552.
21. Ulltang, O., 1980. Factors affecting the reaction of pelagic fish stocks to exploitation and requiring a new approach to assessments and management. Rapp. p.-v. Reun. Cons. Int. Explor. Mer., 177: 489-504.
22. Winters, G.H. and Wheeler, J.P., 1985. Interaction between stock area, stock abundance, and catchability coefficient. Can. J. Fish. Aquat. Sci., 42: 989-998.
23. Wroblewski, J.S., Kulka, D.W., Naryanan, S., Oake, A., Collier, A. and McGrath, B., 1995. Winter distribution and movements of northern Atlantic cod (Gadus morhua) along the Newfoundland-Labrador continental shelf edge derived from scientific observations on commercial trawlers. Fish. Oceanogr., 4: 128-146.