The effect of a change in perception of length distribution of a population on maturity-at-age, weight-at-age and spawning stock biomass

Journal of Northwest Atlantic Fishery Science

Volumn 25, Issue , 1999, Pages 141-150

  Morgan, M J ^a  

^a FISHERIES AND OCEANS CANADA   (Canada)

Author keywords

American plaice; Biomass; Fishing gear; Length distribution; Weight

Indexed keywords

AGE AT MATURITY; FISHING GEAR; LENGTH-FREQUENCY ANALYSIS; SAMPLING; SIZE AT MATURITY; STOCK ASSESSMENT;

HIPPOGLOSSOIDES PLATESSOIDES;

EID: 0033492488     PISSN: 02506408     EISSN: 18131859     Source Type: Journal    
DOI: 10.2960/j.v25.a13     Document Type: Conference Paper

References (11)

1. DOUBLEDAY, W. G. 1981. Manual on groundfish surveys in the Northwest Atlantic. NAFO Sci. Coun. Studies, 2: 55 p.
2. MCCALLUM, B. R. and S. J. WALSH. MS 1996. Groundfish survey trawls used at the Northwest Atlantic Fisheries Centre, 1971 to present. NAFO SCR Doc., No. 50, Serial No. N2726, 18 p.
3. MORGAN, M. J., and J. M. HOENIG. 1997. Estimating maturity-at-age from length stratified sampling. J. Northw. Atl. Fish. Sci., 21: 51-63.
4. MORGAN, M. J., W. B. BRODIE, W. R. BOWERING, D. MADDOCK PARSONS, and D. C. ORR. MS 1998. Results of data conversions for American plaice in Div. 3LNO from comparative fishing trials between the Engel otter trawl and the Campelen 1800 shrimp trawl. NAFO SCR Doc., No. 70, Serial No. N3062, 10 p.
5. SAS INSTITUTE INC. 1989. SAS/STAT User's Guide. Gary, NC. SAS Institute Inc.
6. SERCHUK, F., D. RIVARD, J. CASEY, and R. MAYO. MS 1997. Report of the ad hoc working group of the NAFO Scientific Council on the precautionary approach. NAFO SCS Doc., No. 12, Serial No. N2911.61 p.
7. SINCLAIR, A. MS 1997. Biological reference points relevant to a precautionary approach to fisheries management: an example for Southern Gulf of St. Lawrence cod. NAFO SCR Doc., No. 77, Serial No. N2914, 16 p.
8. 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.
9. WARREN, W. G. 1996. Report on the comparative fishing trial between the Gadus Atlantica and Teleost. NAFO Sci. Coun. Studies, 29: 81-90.
10. WARREN, W., W. BRODIE, D. STANSBURY, S. WALSH, J. MORGAN, and D. ORR. MS 1997. Analysis of the 1996 comparative fishing trial between the Alfred Needler with the Engel 145 trawl and the Wilfred Templeman with the Campelen 1800 trawl. NAFO SCR Doc., No. 68, Serial No. N2902, 12 p.
11. 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.