Результаты поиска

1. Progress report on the Korean exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in 2016/17 season

   58.4.1 and 58.4.2. Author(s):  S.-G. Choi, J. Lee, J. Lee and D. An Title:  Progress report on the Korean ... to 14 March 2017 in 2016/17 fishing season. One additional national observer was on board to perform ... sampling were conducted in the areas of Division 58.4.1 and 58.4.2. Two compact CTDs (Micro CAT, SBE37SMP ... exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in 2016/17 season Microsoft ...

   Meeting Document : WG-SAM-17/27 : Автор(ы): S.-G. Choi, J. Lee, J. Lee and D. An

2. Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Patagonian toothfish (Dissostichus eleginoides) in Statistical Division 58.5.2

   for the pre-season and two post season extension trials were comparable to that during the existing ... fishery for Patagonian toothfish (Dissostichus eleginoides) in Statistical Division 58.5.2 started as a ... seabird mitigation measures since the initial fishing season in 2003. Over the years, CCAMLR has agreed to ... add season extensions from 15-30 April and 15 September- 31 October to the core season. In 2015 ...

   Meeting Document : WG-FSA-2019/31 : Автор(ы): P. Ziegler, T. Lamb, S. Wotherspoon and J. Dell

3. Effects of recruitment variability and natural mortality on Generalised Yield Model projections and the CCAMLR Decision Rules for Antarctic krill

   Peninsula were used as proxies for recruitment variability. Simulations were run for 21 years with either no ... %, 20%, or 30% were added to the observed recruitment values. The CCAMLR "depletion" decision ... below 20% of its unfished value, meeting the CCAMLR "depletion" decision rule for recruitment ... maintaining spawning biomasses above 20% of unfished biomass in more than 90% of the trials. As the values for ...

   Meeting Document : WG-EMM-12/26 : Автор(ы): D. Kinzey, G. Watters and C. Reiss (USA)

4. Estimation of natural mortality using catch-at-age and aged mark-recapture data: a simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation

   -recapture data were generated for 12 years of fishing. Two alternative estimation models were programmed in ... . The model based on a new mortality equation (CCODE model) uses an ODE with constant within-year catch ... -recapture data: a simulation study comparing estimation for a model based on the Baranov equations versus a ... the age-structured population for each fishing year by annual recursive use of difference equations ...

   Meeting Document : WG-SAM-10/11 Rev. 1 : Автор(ы): S.G. Candy (Australia)

5. Estimating fishing gear selectivity for Patagonian toothfish (Dissostichus eleginoides) caught by trawlers on the Heard Island plateau region (Division 58.5.2) using trawl and longline length frequency data and forward-calculated continuation ratios

   -2005 the upper arm of the gear selectivity function for trawlers is estimated using a two-stage process ... Abstract:  Length-dependent fishing selectivity for trawlers fishing for the Patagonian toothfish ... (Dissostichus eleginoides) on the Heard Island Plateau (Division 58.5.2) was modelled as a 3-segment linear ... selectivity and a plateau section in between for the length range where fish are assumed fully selected. Using ...

   Meeting Document : WG-FSA-05/65 : Автор(ы): S.G. Candy (Australia)

6. A RISK ASSESSMENT TO ADVISE ON STRATEGIES FOR SUBDIVIDING A PRECAUTIONARY CATCH LIMIT AMONG SMALL-SCALE MANAGEMENT UNITS DURING STAGE 1 OF THE STAGED DEVELOPMENT OF THE KRILL FISHERY IN SUBAREAS 48.1, 48.2, AND 48.3.

   ) and S. Hill (United Kingdom) Title:  A RISK ASSESSMENT TO ADVISE ON STRATEGIES FOR SUBDIVIDING A ... . (2008) to assess the risks and tradeoffs associated with various management strategies for subdividing ... increase in some SSMUs. In general, the risks of depleting penguin and fish populations are greater for ... Fishing Option 3 than for Fishing Option 2 because the former option requires slightly more fishing in ...

   Meeting Document : WG-EMM-08/30 : Автор(ы): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)

7. Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in June 2005

   58.5.2 in the vicinity of Heard Island in June 2005 to provide the information for an assessment of short ... for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. It also ... function for the future projections based on full selection of adult fish, and (iv) consequence of reducing ... long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island region (CCAMLR ...

   Meeting Document : WG-FSA-05/30 : Автор(ы): A.J. Constable, T. Lamb and R. Williams (Australia)

8. Best practice seabird by-catch mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes

   between weights on longlines (30 m, 40 m and 50 m) and mass of the weights (4 kg, 6 kg and 8 kg) on sink ... mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes Approval:  Approved ... throughout the southern hemisphere and has been the source of a large number of seabird fatalities. An ... experiment was conducted on a chartered Spanish-rig vessel to improve the sink rate of longlines to reduce ...

   Meeting Document : WG-FSA-06/22 : Автор(ы): G. Robertson (Australia), C.A. Moreno (Chile), B. Wienecke (Australia), P. Gandini (Argentina), G. McPherson (Australia) and J.-P. Seco Pon (Argentina)

9. Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2

   Abstract:  CCAMLR XXXIV (para. 5.68) endorsed new pre-season (1-14 April) and post-season (15-30 ... November) trial season extensions, in addition to existing pre-season (15-30 April) and post-season (1-14 ... -FSA-15/48). Australia undertook to report annually on the results of all the trials. This paper ... presents information on fishing effort and seabird interactions with fishing gear collected during the ...

   Meeting Document : WG-FSA-17/20 : Автор(ы): T. Lamb

10. Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia

    , depressing CPUE by up to 20%. Sperm whales have been more frequently encountered in recent years, occurring ... and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia ... Abstract:  Observer data collected on longliners between 2003 and 2009 were analysed to look at ... macrocephalus) around South Georgia. Since 2003, cetaceans have been observed on 22% of 14 300 observed lines ...

    Meeting Document : WG-FSA-10/P06 : Автор(ы): J. Moir Clark and D.J. Agnew

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