Maturity of female cod in divisions 2J+3KL with a comparison of fish from inshore and offshore division 3L

NAFO Scientific Council Studies

Volumn , Issue 29, 1997, Pages 61-65

  Morgan, M J ^a   Brattey, J ^a  

^a FISHERIES AND OCEANS CANADA   (Canada)

Author keywords

Female cod (Gadus morhua); Maturity at age; Maturity at length

Indexed keywords

AGE-AT-MATURITY; COD; FEMALES; LENGTH-AT-MATURITY; SEXUAL MATURITY; STOCK ASSESSMENT;

ATLANTIC, (NORTHWEST);

GADUS MORHUA;

EID: 0030730012     PISSN: 02506432     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (13)

1. KJESBU, O.S. 1989. The spawning activity of cod, Gadus morhua L. J. Fish Biol., 34: 195-206.
2. KJESBU, O.S. 1991. A simple method for determining the maturity stages of northeast Arctic cod (Gadus morhua L.) by in vitro examination of oocytes. Sarsia, 75: 335-338.
3. McCULLAGH, P., and J.A. NELDER. 1983. Generalized Linear Models. Monographs on Statistics and Probability. Chapman and Hall, London. 261 p.
4. MORGAN, M.J., and J.M. HOENIG. MS 1993. Maturity at age from length stratified sampling. ICES C.M. Doc., No D:55, 11 p.
5. MORGAN, M.J., and P.A. SHELTON. MS 1995. Alternative models of maturity at age applied to cod in NAFO Divisions 2J3KL. DFO Atl. Fish. Res. Doc., No. 24, 12 p.
6. MORGAN, M.J., C.A. BISHOP, and J.W. BAIRD. 1994. Temporal and spatial variation in age and length at maturity in cod in Divisions 2J and 3KL. NAFO Sci. Counc. Studies, 21: 83-89.
7. TEMPLEMAN, W., V.M. HODDER, and R.WELLS.1978. Sexual maturity and spawning in haddock, Melanogrammus aeglefinus, of the southern Grand Bank. ICNAF Res. Bull., 13: 53-65.
8. TRIPPEL, E.A. 1995. Age at maturity as a stress indicator in fisheries. BioScience, 45: 759-771.
9. SAS INSTITUTE INC. 1989. SAS/STAT User's Guide.SAS Institute Inc, Cary, N.C.
10. SAS INSTITUTE INC. 1993. SAS Technical Report P-243, SAS/STAT Software: The genmod procedure, Release 6.09. SAS Institute Inc., Cary, N.C.
11. WALSH, S.J., R. WELLS, and S. BRENNAN. 1986. Histological and visual observations on oogenesis and sexual maturity of Flemish Cap female cod. NAFO SCR Doc. No. 111, Serial No. N1238. 11p.
12. WELCH, D.W., and R.P. FOUCHER. 1988. A maximum likelihood methodology for estimating length-at-maturity with application to Pacific cod (Gadus macrocephalus) population dynamics. Can. J. Fish. Aquat. Sci., 45: 333-343.
13. XU, X., J. BAIRD, C. BISHOP, and J. HOENIG. MS 1991. Temporal variability in cod maturity and spawning biomass in NAFO Divisions 2J+3KL. NAFO SCR Doc., No. 112, 12 p.