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1. Revised research plan for toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2013/14

   comparative CPUE, modified Lincoln-Petersen and CASAL models following advices during the last WG-SAM meeting ... . Detailed results using CASAL models in SSRU C are described in a separated document. The catch and tagging ... data in SSRU D were not enough to be applied to modified Lincoln-Petersen and CASAL models. Thus the ... stock sizes of D. eleginoides in SSRU D is estimated only by using CPUE comparison with the stock size ...

   Meeting Document : WG-FSA-13/36 : Автор(ы): Delegation of Japan

2. Revised research plan for toothfish in Division 58.4.4 b by Shinsei maru No. 3 in 2014/15

   blocks C and D using CPUE analogy method, Petersen method and CASAL model, although the data of current ... season has not been validated and not used for the present analysis. We used updated reference area size ... for the CPUE method and altered natural mortality for the Petersen and CASAL methods. Detailed results ... using CASAL models in research block C are described in a separated document. The estimated stock size ...

   Meeting Document : WG-FSA-14/21 : Автор(ы): Delegation of Japan

3. Reports on abundance and biological information of toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2013/14 season

   information of toothfish in the research blocks 58.4.4b_1 (SSRU 58.4.4C) and 58.4.4b_2 (SSRU 58.4.4D) of ... trotline system were made in the blocks. Total catch of Dissostichus eleginoides (excluding those tagged ... and released) was 26.6 tonnes in the survey area. Mean CPUEs in terms of weight of D. eleginoides was ... 32.9 kg / km (CV = 11.3%) and 38.3 kg / km (CV = 13.6%) in the blocks 58.4.4b_1 and 58.4.4b_2 ...

   Meeting Document : WG-SAM-15/14 : Автор(ы): Delegation of Japan

4. Antarctic fur seal population dynamics update and assessment of census error at SSSI No. 32, Livingston Island, South Shetlands, Antarctica (2000/2001)

   Abstract:  Cape Shirreff and San Telmo Islets (SSSI Nº32) shelter the largest breeding population ... of Antarctic fur seals, Arctocephalus gazella, in the South Shetland Archipelago. Since all censuses ... up to date have been single counts and do not allow the calculation of confidence limits, a protocol ... was developed for assessing uncertainties in the estimates of the counts (inter and intra-observer ...

   Meeting Document : WG-EMM-01/49 : Автор(ы): R. Hucke-Gaete (Chile)

5. Research plan for toothfish in Division 58.4.4a & b by Shinsei Maru No. 3 in 2013/14

   Division 58.4.4 a & b. Regarding SSRU C, the stock size was estimated by using following six methods; 1 ... ) CASAL_0_IUU model, and 6) CASAL_all_IUU model. This approach was made based on the WG-FSA’s recommendation ... stating that the sensitivity run of the CASAL model should be made by using levels of IUU ranging from ... zero to all observed IUU fishing, and using constant YCS (year class strength)  in SSRU C. The ...

   Meeting Document : WG-SAM-13/21 : Автор(ы): Delegation of Japan

6. No boundaries for whales interacting with fishing activities targeting Patagonian toothfish (Dissostichus eleginoides)

   Patagonian toothfish (Dissostichus eleginoides) have been documented as a severe issue in the Crozet EEZ ... since the late 90’s. Estimating depredation rates allows to correct catches and therefore to model the ... photographs from the French vessels fishing in the Crozet EEZ as well as on Del Cano rise in the Southern ... . Over the 2009 – 2019 period, and depredation rates were estimated to be around 8% in the Del Cano ...

   Meeting Document : WG-FSA-2019/54 : Автор(ы): N. Gasco, P. Tixier, F. Massiot-Granier, C. Péron and R. Sarralde

7. Research plan for toothfish in Division 58.4.4 b by Shinsei maru No. 3 in 2015/16

   results using CASAL models in research block 58.4.4b_1 are described in a separated document. The ... and CASAL OB_1b model (vulnerable biomass in 2014), respectively. The stock sizes of D. eleginoides in ... block 58.4.4b_2 is estimated at 648 tonnes only by using CPUE method, as the catch and tagging data in ... the current research operation for the next fishing season with the same survey design and total ...

   Meeting Document : WG-SAM-15/13 : Автор(ы): Delegation of Japan

8. ABUNDANCE AND BIOLOGICAL INFORMATION ON TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2007/08 SEASON

   , Shinsei Maru No. 3, from July 23 to September 27, 2008. The survey was undertaken in two Phases (Phase 1 ... Abstract:  A survey was conducted in order to collect information for the stock status and various ... % in numerical number and 90-96 % in weight to the total samples in SSRUs. Mean CPUE of toothfish in ... for the Division was estimated to be 11.0 indiv. / 1,000 hooks and 108.8 kg / 1,000 hooks. With the ...

   Meeting Document : WG-SAM-09/10 : Автор(ы): K. Taki, T. Ichii, M. Kiyota and S. Kawahara (Japan)

9. Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes

   Abstract:  Little is known of what happened after the exploitation period with the population of ... Antarctic fur seal (Arctocephalus gazella) on the Antarctic peninsula region, specifically on the South ... the northen tip of Livingston island, where the most important colony of this species on the South ... season diferentially counting sex and age categories to assess total population. We present the up to ...

   Meeting Document : WG-EMM-98/17 : Автор(ы): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)

10. Effective, cost-limited and easy-to-implement photo-identification from fishing vessels: an alternative to no effort at all

    paper addresses concerns regarding the complexity and the price of the SLR gear by presenting the first ... trials of a cost-limited bridge camera as an alternative to no photo-identification. This bridge ... configuration will not match the SLR configuration, especially when animals are far from the observer but can ... -identification from fishing vessels: an alternative to no effort at all Microsoft Word File:  fsa-2019-50.docx ...

    Meeting Document : WG-FSA-2019/50 : Автор(ы): N. Gasco, P. Tixier and C. Lemarchand

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