Результаты поиска

1. Preliminary assessment of mackerel icefish, Champsocephalus gunnari, on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003

   of un-assessed cohorts and provide for more stable catches between fishing years, while meeting the ... Abstract:  A preliminary assessment of yield of Champsocephalus gunnari for Heard Island Plateau ... (Division 58.5.2) was undertaken using the standard CCAMLR methods, based on the result of a randomly ... approximately 20% of the 2002 estimate. This decline in abundance is consistent with the passage of the strong ...

   Meeting Document : WG-FSA-03/32 : Автор(ы): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)

2. Report of the European Union – CCAMLR Observer to the 30th Session of COFI (Italy, Rome, 9 to 13 July 2012)

   Author(s):  CCAMLR Observer (European Union) Title:  Report of the European Union – CCAMLR Observer to the 30th Session of COFI (Italy, Rome, 9 to 13 July 2012) Approval:  Approved

   Meeting Document : CCAMLR-XXXI/BG/34 : Автор(ы): CCAMLR Observer (European Union)

3. Report on fish by-catch on exploratory fishing in Divisions 58.4.1 and 58.4.2

   changes within research blocks. Length at 50% maturity was estimated for the two most common species of ... Abstract:  In this paper, we report on fish by-catch during exploratory fishing activities ... undertaken in Divisions 58.4.1 and 58.4.2 during the 2012 to 2018 seasons. Fish by-catch comprised 14 species ... or groups of species. In 2018, by-catch represented 12% of the total catch (43 tonnes over 307 tonnes ...

   Meeting Document : WG-FSA-18/28 : Автор(ы): C. Péron, P. Yates, D. Maschette, C. Chazeau, P. Ziegler, D. Welsford, N. Gasco and G. Duhamel

4. Evaluation on the performance of echosounder on a fishing vessel using maximum seabed backscattering

   Abstract:  The performance of echo sounder system is critical for using acoustic data collected ... and 2018) collected at a relatively fixed location with bottom depth around 200 m were used to ... evaluate the potential to use seabed backscattering as an alternative way to the standard sphere ... , dB) for single ping were less than 1.0 dB with 0.35 dB and 0.78 dB at 120 kHz and 38 kHz ...

   Meeting Document : SG-ASAM-18/06 : Автор(ы): X. Wang, X. Yu and X. Zhao

5. Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003

   , for Heard Island Plateau (Division 58.5.2) was done, using the standard CCAMLR methods, based on the ... length at age vector that did not include growth beyond 15 years had only small effects on projected long ... estimate for 2004 was 2,680 t. Initial tests of length at age assumptions indicated that using a specified ... design of the annual survey indicated some variability in survey catchability between years and suggest ...

   Meeting Document : WG-FSA-03/33 : Автор(ы): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)

6. Preliminary assessment of Champsocephalus gunnari on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002

   58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of yield ... current estimates of length at age parameters would be for most of the fish to be three year olds. However ... fraction (93%) of the population last year. Two assessments were undertaken as a result of the potentially ... year old fish then the yield for 2002/03 is estimated to be 1990 tonnes. If it comprises mostly four ...

   Meeting Document : WG-FSA-02/47 : Автор(ы): A.J. Constable, R. Williams and T. Lamb (Australia)

7. Revised reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season

   Abstract:  A survey was conducted in order to collect information for the stock status and various ... biological information on toothfish in Division 58.4.4a & b (Ob Lena Bank) by using a commercial bottom ... longline vessel, Shinsei Maru No. 3, from March 30 to May 2, 2011. This report described the results during ... the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch (excluding fish released alive) of ...

   Meeting Document : WG-FSA-11/14 : Автор(ы): K. Taki, T. Iwami and M. Kiyota (Japan)

8. Changes to seabird avoidance regulations in Alaska demersal longline fisheries based on scientific research on effectiveness of mitigation measures

   relative to controls with no deterrent). This proposed action is prompted for two reasons: 1) An industry ... lines on larger vessels. Changes were based on research results from a two-year study conducted by the ... existing regulations for seabird avoidance measures required in the groundfish and halibut demersal ... longline fisheries off Alaska. One of the main recommendations is for the required use of paired streamer ...

   Meeting Document : WG-FSA-02/53 : Автор(ы): K.S. Rivera (USA)

9. Reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season

   Abstract:  A survey was conducted in order to collect information for the stock status and various ... biological information on toothfish in Division 58.4.4a & b (Ob Lena Bank) by using a commercial bottom ... longline vessel, Shinsei Maru No. 3, from March 30 to May 2, 2011. The survey was undertaken according to ... report described the results during the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch ...

   Meeting Document : WG-SAM-11/06 : Автор(ы): K.Taki, T. Iwami and M. Kiyota (Japan)

10. Subgroup on Assessment Methods: Report to the Working Group on Fish Stock Assessment 2002

    Abstract:  Over the last two years, discussions in WG-EMM, WG-FSA and the Scientific Committee ... submitted to WG-FSA to provide draft points for discussion by WG-FSA on 1. materials available to WG-FSA for ... incorporating into assessments 2. a draft plan for assessments at WG-FSA this year, including reporting and ... have highlighted a need to develop an integrated work plan to develop and validate assessment methods ...

    Meeting Document : WG-FSA-02/80 : Автор(ы): A.J. Constable (Subgroup Coordinator)

Страницы