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1. Estimation and correction of migration-related bias in the tag-based stock assessment of Patagonian toothfish in Division 58.5.2

   Scientific Committee. This study used a fisheries simulation model to evaluate the impacts of migration on a ... from two periods, 2007-2014 and 2009-2014 and used tag recaptures to 2015 in both cases. The annual ... 58.5.2 was estimated to be 0.4% and was insensitive to the time period of longline tag releases used. For ... annual migration rates <2%, consistent with those we observed in Patagonian toothfish on the Kerguelen ...

   Meeting Document : WG-SAM-17/11 : Autor(es): P. Burch, P. Ziegler, D. Welsford and C. Péron

2. AGE ESTIMATION AND LEAD-RADIUM DATING OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI)

   Abstract:  Antarctic toothfish (Dissostichus mawsoni) are subject to an increasingly important ... criteria established for Patagonian toothfish, D. eleginoides, a closely related species. To validate ... used as an independent chronometer to determine age. Age estimates indicated Antarctic toothfish live ... to at least 39 years of age. Estimated and radiometric ages were in close agreement, confirming age ...

   Meeting Document : WG-FSA-08/17 : Autor(es): C.M. Brooks, A.H. Andrews, J.R. Ashford, G.M. Cailliet, N. Ramanna and C. Lundstrom (USA)

3. By-catch of juvenile Antarctic fish from krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992

   Abstract:  Discussed in this paper is an investigation on juvenile antarctic fish caught during ... -June 1992. Two species were predominant in the by-catches: Champsocephalus gunnari and Nototheniops ... /1t krill and 2434±579 ind/1t krill for all trawls and for shelf trawls, respectively. Similarly, for ...

   Meeting Document : WG-FSA-93/8 Rev. 1 : Autor(es): E.A. Pakhomov and S.A. Pankratov (Ukraine)

4. Demonstrating global leadership in marine spatial protection

   as they convene for their 30th annual meeting. One of the most important is fulfilling their ... commitment to meet the World Summit on Sustainable Development (WSSD) goal of designating a representative ... system of marine protected areas (MPAs) and Marine Reserves by 2012.1 The recent Workshop on Marine ... Reserves. Adoption of a general Conservation Measure on MPAs at CCAMLR XXX should assist Members in the ...

   Meeting Document : CCAMLR-XXX/BG/20 : Autor(es): Submitted by ASOC

5. A history of the acquisition and analysis of sea-ice data by CCAMLR

   from satellite images, was recognised as an important source of information for interpreting changes in ... the early years of development of the ecosystem monitoring program sea ice data, especially derived ... monitored predator parameters. Standard methods for collection of environmental parameters were agreed in ... Centre ice charts were routinely acquired and analysed by the Secretariat from 1993. An alternative ...

   Meeting Document : WG-EMM-96/15 : Autor(es): Agnew, D.J.

6. Variation in standing stock of the mackerel icefish Champsocephalus gunnari at South Georgia

   . 6. The study demonstrates how a key predator can have an over-riding impact on a commercial fish ... Abstract:  1. Bottom trawl surveys on the South Georgia shelf indicate episodic declines in the ... commercial fishing. 2. The greatest effect has been observed in years when krill are known to have been ... scarce on the South Georgia shelf. 3. It is thought that C. gunnari survivorship is closely related to ...

   Meeting Document : WG-FSA-99/63 : Autor(es): I. Everson, G. Parkes (United Kingdom), K.-H. Kock (Germany) and I. Boyd (United Kingdom)

7. Updated assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet Islands (Subarea 58.6)

   Abstract:  This paper presents the latest developments in Casal models for Crozet with an updating ... of input data from the more recent years (up to 2015/16 season) and a reassessment of stocks taking ... for releasing documents:  France ...

   Meeting Document : WG-FSA-16/52 : Autor(es): R. Sinegre and G. Duhamel

8. How much do icefish (Notothenioidei, Channichthyidae) eat in the southern Scotia Arc and the Antarctic Peninsula region?

   of the Antarctic Peninsula. Variability of food consumption was comparatively low between years in ... the krill – feeding C. gunnari and C. wilsoni, both within an area and between areas. Food intake was ... more variable in C. aceratus and C. antarcticus which, as larger fish, rely heavily on fish as their ... primary dietary component. Their food intake varied by a factor of 2 or 3 between years. Most estimates of ...

   Meeting Document : WG-FSA-10/18 : Autor(es): K.-H. Kock (Germany), C.D. Jones (USA), J. Gröger and S. Schöling (Germany)

9. Entanglement of pinnipeds at Marion Island

   Abstract:  Forty-two sightings of 28 individual pinnipeds with neck collars were observed from ... April 1991 to June 1995 at Marion Island, Southern Ocean. One of the individuals was an elephant seal ... . tropicalis. Fifty percent of neck collars on fur seals were removed. The incidence of entanglement of fur ...

   Meeting Document : SC-CAMLR-XIV/BG/17 : Autor(es): Delegation of South Africa

10. Comparison of krill density estimated with swarm-based and dB-difference method using acoustic data collected by Chinese fishing vessel participating in the 2019 Area 48 survey

    from various identification methods, except for the estimates from [-20 20] identification window and ... Abstract:  To address the effect of various identification methods on krill biomass estimates ... , comparison on the swarm-based and dB-difference (Sv 120kHz-Sv 38kHz) identification method were made using ... set to four ranges including [-20 20], [2 16], [0.4 12] and without dB window (only 120kHz used ...

    Meeting Document : SG-ASAM-2019/06 : Autor(es): X. Yu, X. Wang, J. Zhang and X. Zhao

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