Результаты поиска

1. Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan

   abnormal data for the two vessels in block 48.6_2, therefore we removed the data for the current analysis ... and preliminary CASAL models. We divided the two areas for block 48.6_2 by latitude of 55.2°S to ... addition, we considered that only recaptures for 1 year at liberty is effective to estimate the ... distribution of sizes, GSI and Fulton’s condition factors for D. mawsoni in Subarea 48.6 suggest that northward ...

   Meeting Document : WG-SAM-16/07 : Автор(ы): Delegations of Japan and South Africa

2. Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2010/11

   60,000 kg. The research hauls are allocated on 10-minute latitude x 20-minute longitude grid points ... size for the 2010/11 survey, taking into account the need for completion of the survey and impact on ... Maru No. 3 to be conducted in April-June 2011. This is the second year of the survey of the 3-5 years ... . In Division 58.4.4 a & b, we submit this research plan for toothfish in the Division by Shinsei ...

   Meeting Document : WG-SAM-10/15 : Автор(ы): Delegation of Japan

3. A preliminary model-based approach for estimating natural mortality of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region

   region stock assessment for Antarctic toothfish (Dissostichus mawsoni), M is assumed to be 0.13 y-1 and ... constant across age and sex. In 2018, the independent review of the Ross Sea region D. mawsoni stock ... single value for males and females combined, with a uniform prior within the base model used in 2017 for ... simulations suggested that when the rate of natural mortality was assumed in an operating model, it was ...

   Meeting Document : WG-SAM-2019/04 : Автор(ы): B. Moore, S. Mormede, S. Parker and A. Dunn

4. Interactions between cetaceans and long-lining operations for Patagonian toothfish Dissostichus eleginoides around South Georgia

   Georgia, but were not seen on subsequent operations to the north-west of the island. On two occasions ... Abstract:  Longlining operations for Dissostichus eleginoides around South Georgia were assessed ... for interactions with sea mammals. Twenty-seven lines were observed and interactions recorded during ... fish/haul for all 27 lines. Sperm whales (Physeter macrocephalus) were also associated with hauling ...

   Meeting Document : WG-IMALF-94/16 : Автор(ы): J.R. Ashford (United Kingdom) and P.S. Rubilar (Chile)

5. Seabird avoidance measures for small Alaskan longline vessels

   Abstract:  Given the lack of information on appropriate seabird avoidance measures for small ... (> 26 to 55 feet) using two gear types: snap-on gear and fixed gear. We also determined the ... among vessels and gear types were similar (0.09 to 0.13 for snap on gear vessels and 0.07 m/s for fixed ... gear). We determined that the current single streamer line requirement for snap-on gear vessels over ...

   Meeting Document : WG-FSA-05/36 : Автор(ы): E.F. Melvin and M. Wainstein (USA)

6. The Evangelistas Islets, Chile: a new breeding site for black-browed albatrosses

   from aerial photographs taken on 13 October 2002 which yielded an estimate of the number of breeding ... Lobos Islets, two of the four islets in the Evangelistas group. This new record raises to four the ... breeding site for black-browed albatrosses Approval:  Approved ...

   Meeting Document : WG-FSA-03/10 : Автор(ы): J. Arata (Chile), G. Robertson (Australia), J. Valencia (Chile) and K. Lawton (Australia)

7. Considerations for CEMP data collection and submission in relation to using nest cameras to monitor surface-nesting colonial seabirds

   are similar, provide comment on nest camera data utility for CEMP, and outline gaps in our assessment ... Abstract:  We provide an outline of data that can be generated from nest camera images and ... describe how they relate to the parameters outlined in the CEMP Standard Methods. We discuss where the two ... of their use for this purpose. We provide suggestions for how CEMP data submission forms could be ...

   Meeting Document : WG-EMM-18/27 : Автор(ы): L. Emmerson and C. Southwell

8. Reproductive analysis of Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea

   Abstract:  In the Division 58.4.1 there are two stocks of Dissostichus mawsoni, which is ... analyze the reproductive ecology of Dissostichus mawsoni in SSRU 58.4.1C-a based on the histological ... methods as a part of Korean research plan for Dissostichus spp. in SSRUs 58.4.1 C and E during 2012/2013 ... the female was 2.6, and 1.1 for the male. The hepatosomatic index of the female (2.5) and male (2.3 ...

   Meeting Document : WG-SAM-13/27 : Автор(ы): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K. Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)

9. The reliability of VHF telemetry data for measuring attendance patterns of marine predators: a comparison with Time Depth Recorder data

   Abstract:  VHF radiotelemetry data has been used for over thirty years to monitor the behavior ... , suggesting that VHF data is an inappropriate method for collecting attendance data. Modelling the raw VHF ... decreasing cost over the last thirty years, TDRs are a more appropriate means to collect attendance data on ... reproductive and foraging ecology of these species to inferring ecosystem changes based on variation in ...

   Meeting Document : WG-EMM-15/P05 : Автор(ы): A.D. Lowther, H. Ahonen, G. Hofmeyr, W.C. Oosthuizen, P.J. Nico De Bruyn, C. Lydersen and K. Kovacs

10. Using preferred habitat models for chinstrap penguins (Pygoscelis antarctica) to help improve krill fisheries management during the penguin breeding season

    two simple variables; the distance to the colony and a measure of the direction of travel towards the ... find that the chinstrap penguins breeding on the South Orkney Islands use areas which overlap with ... frequently used krill fishing areas. If the krill fisheries continue to expand, then impacts on the penguin ... investigate the effects of prey depletion on predator populations, and to ensure that management is addressed ...

    Meeting Document : WG-EMM-17/33 : Автор(ы): V. Warwick-Evans, N. Ratcliffe, H.L. Clewlow, L. Ireland, A. Lowther, F. Manco and P.N. Trathan

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