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1. Assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990-2014

   at the estimates of OB_1b model, use of knife edge selectivity at fixed 8 year for disease mortality assuming IUU ... research in 2008. The removal of 2008 CPUE data improved the CPUE fits in OB_1b model. The fix of knife ... at the estimates of OB_1b model, use of knife edge selectivity at fixed 8 year for disease mortality assuming IUU ... research in 2008. The removal of 2008 CPUE data improved the CPUE fits in OB_1b model. The fix of knife ...

   Meeting Document : WG-SAM-15/25 : Author(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)

2. Krill length and age at maturity

   show knife-edge maturity. Author(s):  V. Siegel (Germany) and V. Loeb (USA) Title:  Krill length ... (age class 2 +), while males reach maturity in the fourth year as age class 3 +. Both sexes show knife ...

   Meeting Document : WG-KRILL-93/40 : Author(s): V. Siegel (Germany) and V. Loeb (USA)

3. A simulation approach to the evaluation of recruitment surveys for D. eleginoides for the Heard Island Plateau region (Division 58.5.2)

   of every fish caught in the surveys is known without error and assuming knife-edge fishing selectivity ... of every fish caught in the surveys is known without error and assuming knife-edge fishing selectivity ...

   Meeting Document : WG-FSA-04/74 : Author(s): S.G. Candy, C.R. Davies and A.J. Constable (Australia)

4. Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives

   at first fishing = 5 years (knife-edge) Age at first spawning = 5 years (knife-edge) Pooled age-class ... ! Von Bertalanffy Woo = 1000 grams Age at first fishing = 3 years (knife-edge) Age at first spawning ... = 3 years (knife-edge) Pooled age-class = 10 years Table 2: Fishing mortality rates consistent with each ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Author(s): de la Mare, W.K. and A. Constable

5. Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)

   . Selectivity 15. A knife-edge selectivity vector was used for C. gunnari, starting at length 25 cm, which ... is approximately equal to the age 2.5 knife-edge selectivity used in the 2009 assessment. ANI 48.3 ... . The Working Group accepted the current length-based knife-edged selectivity (25 cm) for the purposes ... is the mortality rate and Si the commercial selectivity (assumed to be knife edge, equal to one for lengths ...

   Document : Site Section: Publications

6. Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)

   to 1 for all length partitions. Selectivity 15. A knife-edge selectivity vector was used for C. gunnari ... , starting at length 25 cm, which is approximately equal to the age 2.5 knife-edge selectivity used ... . The Working Group accepted the current length-based knife-edged selectivity (25 cm) for the purposes ... to be knife edge, equal to one for lengths greater than or equal to 25 cm). Spawning stock biomass ...

   Document : Site Section: Publications

7. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

   a s to the values for age-at-first- assumed knife-edge maturity and selectivity, and capture a n d maturi ty ... yr.' (natural mortality) oR = 0.4 (recruitment variability) a, = 3 yr (knife-edge age ... -at-recruitment) a,,, = 3 yr (knife-edge age-at-maturity) a+ = l + y r (age-range corresponding to biomass ... the range [a, bl. Instead of knife-edge forms for the selectivity and maturity-at-age functions ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Author(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew

8. Seabird by-catch Guide for commonly caught albatrosses and petrels

   /acap- conservation-guidelines Towel / Blanket NetKnife GlovesPliers / Bolt cutters Box / Bin ... Gloves Pliers / Bolt cutters Box / Bin Net Knife Release Kit Ja nu ar y 20 14 Removing ... ). Then, use a clean knife to make a small cut (<1cm) externally down the neck to allow the hook to pass ... through the skin and be removed. If no knife is available, and you can get a good grip on the hook ...

   Document : Site Section: Science

9. e-cc-ix-a7.pdf

   ... W8 = 2 500 grams Age at first fishing = 5 years (knife-edge) Age at first spawning = 5 years ... (knife-edge) Pooled age-class = 20 years Higher yielding stock Natural Mortality = 0.40 year ... (knife-edge) Age at first spawning = 3 years (knife-edge) Pooled age-class = 10 years Table ... = 5 years (knife-edge) Age at first spawning = 5 years (knife-edge) Pooled age-class = 20 years ... Bertalanffy W8 = 1 000 grams Age at first fishing = 3 years (knife-edge) Age at first spawning = 3 years ... (knife-edge) Pooled age-class = 10 years Table 2: Fishing mortality rates consistent with each of application/pdf attached to:WG-DAC-90

   Meeting Report : WG-DAC-90

10. Scientific Observer's Manual – Finfish Fisheries – Version 2023

    . Equipment: Use a large knife with a rigid blade to make incisions, and fine pointed forceps for collecting ... vertical cut with the knife at the posterior extremity of the head (Figure 10), but sufficiently deep ... simple. Fish that are to be tested must be weighed and measured prior to processing. Use a sharp knife ...

    Document : Site Section: Science

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