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1. Using spatial population models to investigate the effects of a proposed Marine Protected Area on Antarctic toothfish in the Ross Sea region

   a large increase in the area with little depletion of the population and no increase in the area ... they usually involve the displacement of fisheries, their design rarely takes into account the effect ... of that fishery’s displacement on the target fish population. We used a spatially explicit population ... model of Antarctic toothfish in the Ross Sea region to investigate the effects of a proposed MPA on the ...

   Meeting Document : WG-FSA-15/42 : Автор(ы): S. Mormede, A. Dunn, S.J. Parker and S.M. Hanchet (New Zealand)

2. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   provided for females, males, and both sexes combined. There was no obvious difference between the sexes, so ... caudal thorns, were used to estimate the ages of Amblyraja georgiana from the Ross Sea. Caudal thorns ... viewed with transmitted white light provided the clearest growth bands, but reading precision was low ... , producing uncertain age estimates. Furthermore, annual deposition of thorn bands has not been validated. The ...

   Meeting Document : WG-FSA-04/29 : Автор(ы): M.P. Francis and C. Ó Maolagáin (New Zealand)

3. Evidence of change to the environment, ecosystem and fishery within Area 48 indicates the need for continued precaution

   Abstract:  CCAMLR manages the krill fishery in Area 48 using a catch limit (the trigger level ... ) which was established in 1991 based on the maximum catches reported for each subarea. Since that time ... the ecosystem has undergone rapid environmental change. Several studies suggest that krill numerical ... changes are consistent with global evidence of the ecological effects of environmental change. At the same ...

   Meeting Document : WG-EMM-2019/29 : Автор(ы): S. Hill and A. Atkinson

4. PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4

   no bird entanglements or mortalities were reported; 5. The UK proposes to continue the mark-recapture ... Abstract:  1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ...

   Meeting Document : WG-FSA-09/18 : Автор(ы): J. Roberts and D.J. Agnew (United Kingdom)

5. Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4

   Abstract:  A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of  providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... total of 794 tagged fish in the water, respectively. A total of 13 D. eleginoides and 22 D. mawsoni were ...

   Meeting Document : WG-FSA-10/40 : Автор(ы): J. Roberts and D. Agnew (UK)

6. Progress report on the joint research for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand in 2018/19

   Abstract:  The scientific survey was conducted by the Greenstar (KOR) in the research block 883_1 ... –883_P9. Due to extreme ice conditions covering the southern part of 88.3, Janas (NZL) was not able to ... conduct its part of the survey. The total catch of D. mawsoni was 63,840 kg comprising 2,526 individuals ... . The CPUE for Dissostichus mawsoni indicated regional differences among the research blocks. CPUE was ...

   Meeting Document : WG-SAM-2019/11 : Автор(ы): Delegations of the Republic of Korea and New Zealand

7. Analyses of illegal, unreported and unregulated (IUU) fishing activities in Divisions 58.4.1 during the 2013/14 season and 58.4.3b during the 2014/15 season

   Abstract:  Following Operation Sparrow 2, WG-FSA-17 noted the unprecedented availability of catch ... by an NGO vessel. As requested in WG-FSA-17 paragraph 2.16, this document provides an analysis of the ... spatio-temporal distributions of catch and effort by the Chang Bai, Nihewan and Jiangfeng in Division ... 58.4.1 during the 2013/14 season, as well as the Thunder in Division 58.4.3b during the 2014/15 season ...

   Meeting Document : WG-FSA-18/60 : Автор(ы): Delegation of Australia and CCAMLR Secretariat

8. Revised outline of the dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru

   conducted by Japanese research vessel, Kaiyo-maru. No krill biomass has been estimated in the Division since ... biomass to update B(0) in the area and (2) oceanographic observations in the area to detect long term ... changes if any. The krill survey (echosounder–EK80 and RMT) and subsequent biomass estimation will follow ... the CCAMLR standard protocol. Utility of 70 kHz in addition to 3 standard frequencies (38, 120 and 200 ...

   Meeting Document : SG-ASAM-18/03 : Автор(ы): H. Murase, K. Abe, R. Matsukura, H. Sasaki and T. Ichii

9. Unfolding connectivity patterns along the Antarctic Circumpolar Current in the sub-Antarctic region

   Abstract:  The sub-Antarctic region-here considered between the sub-Antarctic Front and the ... southern boundary of the Antarctic Circumpolar Current (ACC)-falls under many distinct jurisdictions ... , including Exclusive Economic Zones (EEZs) of several countries, as well as the areas of competence of ... several international bodies as the SEAFO, SIOFA and CCAMLR. However, in oceanographic terms, these zones ...

   Meeting Document : WG-EMM-2019/71 : Автор(ы): S. Sergi, G. Grizaud, C. Cotté and F. d’Ovidio

10. The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at Heard Island

    present study no euphausiid remains were found, so the increasing population at Heard Island has been ... remains. Pelagic myctophids constituted more than 50% of fish taken by fur seals at the beginning of the ... summer season and again at the end when there was an influx of non-breeding male seals. During the middle ... period from October to December, fish from the surrounding shelf area comprised the bulk of the diet ...

    Meeting Document : SC-CAMLR-VIII/BG/53 : Автор(ы): Delegation of Australia

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