Résultats de la recherche

1. Guide d’identification - Captures accessoires d’oiseaux marins

   Restrain bird Towel / Blanket Gloves Pliers / Bolt cutters Box / Bin Net Knife Release Kit Ja nu ... bird’s throat and hold the hook). 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 ... , use a clean knife to make a small cut (<1cm) externally down the neck to allow the hook to pass ...

   Document : Site Section: Science

2. 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 ... knife edge selectivity at 8 year for disease mortality in OB_2b model did not reduce the total objective ...

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

3. Krill length and age at maturity

   show knife-edge maturity. Author(s):  V. Siegel (Germany) and V. Loeb (USA) Title:  Krill length and ...

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

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

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

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

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

   Bertalanffy K = 0.12 year! Von Bertalanffy Woo = 2500 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 ... first fishing = 3 years (knife-edge) Age at first spawning = 3 years (knife-edge) Pooled age-class ...

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

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

   trawl selectivity, assumed to be equal to 1 for all length partitions. Selectivity 15. A knife ... equal to the age 2.5 knife-edge selectivity used in the 2009 assessment. ANI 48.3 8 4. Stock ... . The Working Group accepted the current length-based knife-edged selectivity (25 cm) for the purposes ... harvest rate, M = 0.71 is the mortality rate and Si the commercial selectivity (assumed to be knife edge ...

   Document : Site Section: Publications

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

   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 8 4. Stock ... Group accepted the current length-based knife-edged selectivity (25 cm) for the purposes of calculating ... to be knife edge, equal to one for lengths greater than or equal to 25 cm). Spawning stock biomass ...

   Document : Site Section: Publications

8. 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

   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 ... ] is a uniform distribution over the range [a, bl. Instead of knife-edge forms for the selectivity ...

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

9. Version 2023 du Manuel de l'observateur scientifique pour les pêcheries de poissons

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

   Document : Site Section: Science

10. Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone

    with natural mortality, and knife-edge selectivity. But departure from the steady-state assumption ... which older fish accumulated. The removal of catch was modelled through three knife-edge fishing ... function is knife-edged, while the maturity function is not, Pmat includes some immature fish and is thus ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Auteur(s): Ziegler, P.E., D.C. Welsford and A.J. Constable

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