Outcome of an inshore spawning event by northern Atlantic cod (Gadus morhua) at a low stock level

Canadian Journal of Fisheries and Aquatic Sciences

Volumn 55, Issue 10, 1998, Pages 2283-2291

  Smedbol, R K ^a   Schneider, D C ^a   Wroblewski, J S ^a   Methven, D A ^a  

^a MEMORIAL UNIVERSITY OF NEWFOUNDLAND   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ABUNDANCE; AGGREGATION; RECRUITMENT; SPAWNING;

CANADA; NEWFOUNDLAND; TRINITY BAY;

ANIMALIA; GADIFORMES; GADUS MORHUA;

EID: 0032418016     PISSN: 0706652X     EISSN: None     Source Type: Journal    
DOI: 10.1139/f98-115     Document Type: Article

References (45)

1. Ames, E.P. 1997. Cod and haddock spawning grounds in the Gulf of Maine. Island Institute, Rockland, Me.
2. Anderson, J.T., and Dalley, E.L. 1997. Spawning and year-class strength of northern cod (Gadus morhua) as measured by pelagic juvenile cod surveys, 1991-1994. Can. J. Fish. Aquat. Sci. 54(Suppl. 1): 158-167.
3. Anonymous. 1998. DFO science stock status report for northern cod A2-01. Department of Fisheries and Oceans, Science Branch, St. John's, Nfld.
4. Bowering, W.R., Power, D., and Brodie, W.B. 1993. The status of the witch flounder stock in Division 2J, 3K, and 3L. DFO Atl. Fish. Res. Doc. 93/49.
5. Bradford, M.J. 1992. Precision of recruitment predictions from early life stages of marine fishes. Fish. Bull. U.S. 90: 439-453.
6. Cushing, D.H. 1975. Marine ecology and fisheries. Cambridge University Press, New York.
7. Dalley, E.L., and Anderson, J.T. 1997. Age-dependent distribution of demersal juvenile Atlantic cod (Gadus morhua) in inshore/ offshore northeast Newfoundland. Can. J. Fish. Aquat. Sci. 54(Suppl. 1): 168-176.
8. DeYoung, B., Otterson, T., and Greatbatch, R.J. 1993. The local and non-local response of Conception Bay to wind forcing. J. Phys. Oceanogr. 23: 2636-2651.
9. DeYoung, B., Anderson, J., Greatbatch, R.J., and Vary, P. 1994. Advection-diffusion modelling of larval capelin (Mallotus villosus) dispersion in Conception Bay, Newfoundland. Can. J. Fish. Aquat. Sci. 51: 1297-1307.
10. Fahay, M.P. 1983. Guide to the early stages of marine fishes occurring in the western north Atlantic Ocean, Cape Hatteras to the southern Scotian Shelf. J. Northw. Atl. Fish. Sci. 4: 1-423.
11. Fromentin, J.-M., Stenseth, N.C., Gjøsæter, J., Bjørnstad, O.N., Falck, W., and Johannessen, T. 1997. Spatial patterns of the temporal dynamics of three gadoid species along the Norwegian Skagerrak coast. Mar. Ecol. Prog. Ser. 155: 209-222.
12. Goddard, S.V., Wroblewski, J.S., Taggart, C.T., Howse, K.A., Bailey, W.L., Kao, M.H., and Fletcher, G.L. 1994. Overwintering behaviour of adult northern cod (Gadus morhua) in cold inshore waters as evidenced by plasma antifreeze protein levels. Can. J. Fish. Aquat. Sci. 51: 2834-2842.
13. Hjort, J. 1914. Fluctuations in the great fisheries of northern Europe viewed in the light of biological research. Rapp. P.-v. Réun. Cons. Int. Explor. Mer, 20: 1-228.
14. Houde, E.D. 1987. Fish early life dynamics and recruitment variability. Am. Fish. Soc. Symp. 2: 17-29.
15. Hussy, K., St. John, M.A., and Böttcher, U. 1997. Food resource utilization by juvenile Baltic cod Gadus morhua: a mechanism potentially influencing recruitment success at the demersal juvenile stage. Mar. Ecol. Prog. Ser. 155: 199-208.
16. Hatchings, J.A., and Myers, R.A. 1994. What can be learned from the collapse of a renewable resource? Atlantic cod, Gadus morhua, of Newfoundland and Labrador. Can. J. Fish. Aquat. Sci. 51: 2126-2146.
17. Hutchings, J.A., Myers, R.A., and Lilly, G.R. 1993. Geographic variation in the spawning of Atlantic cod, Gadus morhua, in the northwest Atlantic. Can. J. Fish. Aquat. Sci. 50: 2457-2467.
18. Kjesbu, O.S. 1994. Time of start of spawning in Atlantic cod Gadus morhua females in relation to vitellogenic oocyte diameter, temperature, fish length and condition. J. Fish Biol. 45: 719-735.
19. Kulka, D.W., Wroblewski, J.S., and Narayanan, S. 1995. Recent changes in the winter distribution and movements of northern Atlantic cod (Gadus morhua Linnaeus, 1758) on the Newfoundland-Labrador Shelf. ICES J. Mar. Sci. 52: 889-902.
20. Lear, W.H. 1984. Discrimination of the stock complex of Atlantic cod (Gadus morhua) off southern Labrador and eastern Newfoundland, as inferred from tagging studies. J. Northw. Atl. Fish. Sci. 5: 143-159.
21. Lear, W.H., Fleming, A.M., and Wells, R. 1980. Results of small cod surveys in eastern Newfoundland during 1959-1964. North Atl. Fish. Org. SCR Doc. 80/1X/144.
22. May, A.W. 1967. Fecundity of Atlantic cod. J. Fish. Res. Board Can. 24: 1531-1551.
23. Methven, D.A., and McGowan, C. 1998. Distinguishing small juvenile Atlantic cod (Gadus morhua) from Greenland cod (G. ogac) by comparison of meristic characters and discriminant function analyses of morphometric data. Can. J. Zool. 76. In press.
24. Methven, D.A., and Schneider, D.C. 1998. Gear-independent patterns of variation in catch of juvenile Atlantic cod (Gadus morhua) in coastal habitats. Can. J. Fish. Aquat. Sci. 55. 1430-1442.
25. Murphy, E. 1995. The status of 2GH cod, 3LNO haddock, 3Ps haddock and 3Ps pollock. DFO Atl. Res. Doc. 95/33.
26. Ouellet, P. 1997. Characteristics and vertical distribution of Atlantic cod (Gadus morhua) eggs in the northern Gulf of St. Lawrence, and the possible effect of cold water temperature on recruitment. Can. J. Fish. Aquat. Sci. 54: 211-223.
27. Page, F.H., and Frank, K.T. 1989. Spawning time and egg stage duration in northwest Atlantic haddock (Melanogrammus aeglefinus) stocks with emphasis on Georges and Browns Bank. Can. J. Fish. Aquat. Sci. 46: 68-81.
28. Pepin, P., Orr, D.C., and Anderson, J.T. 1997. Time to hatch and larval size in relation to temperature and egg size in Atlantic cod (Gadus morhua). Can. J. Fish. Aquat. Sci. 54(Suppl. 1): 2-10.
29. Perry, R.I., and Neilson, J.D. 1988. Vertical distributions and trophic interactions of age-0 Atlantic cod and haddock in mixed and stratified waters of Georges Bank. Mar. Ecol. Prog. Ser. 49: 199-214.
30. Peterman, R.M., Bradford, M.J., Lo, N.C.H., and Methot, R.D. 1988. Contribution of early life stages to interannual variability in recruitment of northern anchovy (Engraulis mordax). Can. J. Fish. Aquat. Sci. 45: 8-16.
31. Pinsent, D.L., and Methven, D.A. 1997. Protracted spawning of Atlantic cod (Gadus morhua) in Newfoundland waters: evidence from otolith microstructure. Can. J. Fish. Aquat. Sci. 54(Suppl. 1): 19-24.
32. Rose, G.A. 1996. Cross-shelf distributions of cod in NAFO Divisions 2J3KL in May and June 1995: some preliminary findings of a longer term study. NAFO SCR Doc. 96/57.
33. Ruzzante, D.E., Taggart, C.T., Cook, D., and Goddard, S. 1996. Genetic differentiation between inshore and offshore Atlantic cod (Gadus morhua L.) off Newfoundland: microsatellite DNA variation and antifreeze level. Can. J. Fish. Aquat. Sci. 53: 634-645.
34. Schneider, D.C., Methven, D.A., and Dalley, E.L. 1997. Geographic contraction in juvenile fish: a test with northern cod (Gadus morhua) at low abundances. Can. J. Fish. Aquat. Sci. 54(Suppl. 1): 187-199.
35. Shelton, P.A., Stansbury, D.E., Murphy, E.F., Lilly, G.R., and Brattey, J. 1996a. Assessment of the cod stock in NAFO Divisions 2J+3KL. NAFO SCR Doc. 96/62.
36. Shelton, P.A., Stansbury, D.E., Murphy, E.F., Lilly, G.R., and Brattey, J. 1996b. Assessment of the cod stock in NAFO Divisions 2J+3KL. DFO Atl. Fish. Res. Doc. 96/80.
37. Sissenwine, M.P. 1984. Why do fish populations vary? In Exploitation of marine communities. Edited by R.M. May. Springer-Verlag, Berlin. pp. 59-94.
38. Smedbol, R.K., and Wroblewski, J.S. 1997. Evidence for inshore spawning of northern Atlantic cod (Gadus morhua) in Trinity Bay, Newfoundland, 1991-1993. Can. J. Fish. Aquat. Sci. 54(Suppl. 1): 177-186.
39. Taggart, C.T. 1997. Bank-scale migration patterns in northern cod. NAFO Sci. Counc. Stud. 29: 51-60.
40. Taggart, C.T., Anderson, J., Bishop, C., Colbourne, E., Hutchings, J., Lilly, G., Morgan, J., Murphy, E., Myers, R., Rose, G., and Shelton, P. 1994. Overview of cod stocks, biology, and environment in the Northwest Atlantic region of Newfoundland, with emphasis on northern cod. ICES Mar. Sci. Symp. 198: 140-157.
41. Taggart, C.T., Penny, P., Barrowman, N., and George, C. 1995. The 1954-1993 Newfoundland cod-tagging data base: statistical summaries and spatial-temporal distributions. Can. Tech. Rep. Fish. Aquat. Sci. No. 2042.
42. Trippel, E.A. 1998. Egg size and viability and seasonal offspring production of young Atlantic cod. Trans. Am. Fish. Soc. 127: 339-359.
43. Wroblewski, J.S., Bailey, W., and Howse, K. 1994. Overwintering of adult Atlantic cod (Gadus morhua) in nearshore waters of Trinity Bay, Newfoundland. Can. J. Fish. Aquat. Sci. 51: 142-150.
44. Wroblewski, J.S., Smedbol, R.K., Taggart, C.T., and Goddard, S.V. 1996. Behaviour of farmed and wild Atlantic cod (Gadus morhua) released in Trinity Bay, Newfoundland. Mar. Biol. 124: 619-627.
45. Yao, T. 1986. The response of currents in Trinity Bay, Newfoundland, to local wind forcing. Atmos.-Ocean, 24: 235-252.