Search results

1. Assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005-2014

   Abstract:  We made two sensitivity runs of age-structured and two fisheries (≥1300 m and < 1300 ... m) CASAL models for stock status assessments of Dissostichus eleginoides in the research block ... 58.4.3a_1 following the recommendations of the WG-FSA-2014 meeting. Two runs were carried out: including or ... ELAN_1 model reflected a large number of recaptures of the tags released concentrated in the western area ...

   Meeting Document : WG-SAM-15/24 : Author(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)

2. Decrease in numbers of the eastern rockhopper penguins Eudyptes chrysocome filholi at Marion Island, 1994/95 to 2002/03

   Abstract:  Numbers of rockhopper penguins Eudyptes chrysocome breeding at Marion Island decreased ... fledged on average 0.40 chicks per annum, an amount thought insufficient to balance mortality of breeding ... adults, and there was a decrease in the mass at arrival at breeding colonies of both males and females ... . Except in 1997/98, the mass of chicks at fledging was less than that recorded at two other localities ...

   Meeting Document : WG-EMM-03/10 : Author(s): R.J.M. Crawford, J. Cooper, B.M. Dyer, M.D. Greyling, N.T.W. Klages, D.C. Nel, J.L. Nel, S.L. Petersen and A.C. Wolfaardt (South Africa)

3. Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1993 winter and 1993/94 pup-rearing season

   Abstract:  Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for ... winter the number of entangled seals was only 39% of the record 1992 total, but still 5 times the numbers ... in 1990 and 1991. Nearly all animals were juveniles, half with severe injuries and the proportion of ... females (40%) was the highest yet reported. The proportion of animals entangled in packaging bands was the ...

   Meeting Document : SC-CAMLR-XIII/BG/03 : Author(s): Delegation of United Kingdom

4. Update on the external review of the Generalised Yield Model (GYM) software and manual

   Abstract:  In 2003, WG-FSA requested that the Secretariat supervise an external review of the GYM ... included: • Members providing guidance on the scope of the review; • Members proposing appropriate ... independent experts to conduct the review; • Reviewer to complete the review by end of June 2004 and report to ... for expressions of interest for the review was made in March 2004 (SC CIRC 04/06); the deadline for ...

   Meeting Document : WG-FSA-SAM-04/05 : Author(s): CCAMLR Secretariat

5. Quantifying the escape mortality of trawl caught Antarctic krill (Euphausia superba)

   of which are expected to increase. However, many of the length classes of krill can escape through ... commonly used commercial trawl mesh sizes. A vital component of the overall management of a fishery is to ... estimate the total fishing mortality and quantify the mortality rate of individuals that escape from ... mortality rates of escaped krill. Haul duration, hydrological conditions, maximum fishing depth and catch ...

   Meeting Document : WG-EMM-16/04 : Author(s): B.A. Krafft, L.A. Krag, A. Engås, S. Nordrum, I. Bruheim and B. Herrmann

6. High-resolution ocean modelling of the South Georgia and South Orkney Islands regions

   South Orkney Islands is highly productive, with a history of commercial exploitation. Many of the key ... oceanographic and ecological processes that determine the structure and functioning of this ecosystem operate ... over small scales of <10 km. Historically, these fine spatial scales have been poorly represented in ... numerical models. Here we describe the development of two regional ocean models that will be used to examine ...

   Meeting Document : WG-EMM-16/15 : Author(s): E. Young, E. Murphy and P. Trathan

7. Preliminary biomass estimation of Antarctic krill based on the swarm-based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo-maru

   Abstract:  Biomass (B 0) of Antarctic krill for CCAMLR Division 58.4.1 in 2018/19 was ... different, (2) timing of the surveys were different (Kaiyo-maru survey commenced about 40 days earlier than ... BROKE) and (3) areal coverages were different primary because of difference of positions of sea ice edge ... especially in the western part of the Division. The CV of biomass estimate of Kaiyo-maru survey was high ...

   Meeting Document : SG-ASAM-2019/02 : Author(s): K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu and H. Murase

8. Comparing surface and planimetric area across multiple scales and assessing the impact of different data sources on seabed area estimation in research blocks in the CAMLR Convention Area

   Abstract:  Having accurate surface area estimates of toothfish (Dissostichus spp) habitats is ... important for CCAMLR in estimating the fishable biomass of these species in data-poor areas, developing ... scientific survey designs and models of habitat use.  Planimetric seabed areas (i.e. a two-dimensional ... surface) is rarely estimated. The aims of this paper are to examine differences in: (1) planimetric seabed ...

   Meeting Document : WG-SAM-15/01 : Author(s): CCAMLR Secretariat

9. Trade data analysis – A report of trends and supply chains in CDS data

   Abstract:  Analysis of the trends and supply chains in the CDS data for 2016 and 2017 has ...  identified increased use of the CDS with increases in the number of DCDs (41%), DEDs (35%) and DREDs (193 ... %) between these years. Across both years Chile had the greatest number of DCDs landings, exports and the ... largest quantity of landings (4 185 tonnes and 5 586 tonnes). For both years France exported the largest ...

   Meeting Document : CCAMLR-XXXVII/BG/03 : Author(s): CCAMLR Secretariat

10. Results of scientific observation on board RKT-S (cannery fishing super trawler) Konstruktor Koshkin in Statistical Area 48 in March–June 2003 as compared with previous seasons

    of vessel operations, biological state of krill, results of identification of the principal size ... groups with the aim of defining their belonging to specific generations. It gives the analysis of the ... weather and ice conditions, assessment of krill abundance in aggregations and of fisheries situation in ... (Ukraine) Title:  Results of scientific observation on board RKT-S (cannery fishing super trawler ...

    Meeting Document : WG-EMM-04/10 : Author(s): V.A. Bibik and S.A. Klementiev (Ukraine)

Pages