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1. An approach to feedback management (FBM) of the krill fishery based on routine acoustic data collection and intermittent land-based predator studies

   Abstract:  The conservation measure regarding (or stipulating) the interim distribution of trigger ... level in the fishery of Antarctic krill in Subareas 48.1 through 48.4 (CM 51-07) has continuously been ... renewed due the CCAMLR’s inability to establish an agreed, operational feedback management (FBM) approach ... . As the trigger level lacks any form of relationship with the actual stock condition this approach is ...

   Meeting Document : SC-CAMLR-XXXVI/BG/20 : Autor(es): Delegations of Norway, China and Chile

2. Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2017

   Abstract:  1. The 2017 UK groundfish survey took place over the South Georgia and Shag Rocks shelf ... on the FV Sil between the 30th January – 7th February 2017. 2. 72 random hauls were completed ... density was highest on the fishing grounds on the moraine banks of the NW stratum. 4. Clear regional ... Rocks, at low levels in the northern strata of South Georgia and more abundant in the Southern strata ...

   Meeting Document : WG-FSA-17/44 : Autor(es): M. Belchier, V. Foster, S. Gregory, S. Hill, V. Laptikhovsky, P. Lafite and L. Featherstone

3. Information report on the age determination methods of toothfish Dissostichus spp.

   Abstract:  The document presents the experience of the age determination of toothfish of the genus ... Dissostichus by recording structures (otoliths). Sampling processing is carried out on the basis of annual data ... collected in the CCAMLR Convention Area. The equipment used, the procedure for processing and reading age ... are described. The achieved volumes and results are given. And also the problems that arose and the ...

   Meeting Document : WG-SAM-18/29 : Autor(es): I.V. Slypko and P.M. Zabroda

4. Otolith chemistry reveals local population structure of Antarctic toothfish (Dissostichus mawsoni) within the CCAMLR Subarea 48.6

   and economical value and that distributed in the high latitude of the Southern Ocean. The CCAMLR ... subarea 48.6 is one of an important fishing zone, however, the local population structure of D. mawsoni is ... unknown in this regions, which hampered the understanding on population dynamics of this species and the ... management of toothfish fishery. The chemistry in the otolith can often be used to distinguish population ...

   Meeting Document : WG-FSA-18/75 : Autor(es): L. Wei, G.P. Zhu, S. Somhlaba, X.Y. Yu and M. Duan

5. Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery

   fisheries without integrated assessments in the CPUE by seabed area method to estimate stock biomass in the ... interim of collecting sufficient tag recaptures. Here, we address the two questions: (1) which unit of ... trend and magnitude of catch rates. Using data from the Ross Sea Antarctic toothfish fishery, we ... (hooks/cluster) with Generalised Linear Models (GLMs). The model with total hook numbers was preferred ...

   Meeting Document : WG-SAM-2019/25 : Autor(es): D. Maschette, S. Wotherspoon and P. Ziegler

6. Long-term change in zooplankton communities of the Southern Ocean between 1997 and 2018: implications for fisheries and ecosystems

   Abstract:  We provide an analysis of zooplankton distributions in the circumpolar Southern Ocean ... based on samples collected by the international Southern Ocean Continuous Plankton Recorder Survey (SO ... observations over the period 1997–2018. These environmental data were: phytoplankton biomass, primary ... productivity, sea-surface temperature (SST), mixed layer depth, sea ice and the spatial gradient of SST (as an ...

   Meeting Document : WG-EMM-2019/66 : Autor(es): M.H. Pinkerton, M. Decima, J. Kitchener, K. Takahashi, K. Robinson, R. Stewart and G.W. Hosie

7. Testing the performance of a recompiled version of CMIX to decompose length-density distributions of Patagonian toothfish (Dissostichus eleginoides)

   Abstract:  A version of the mixture fitting program CMIX was recompiled to enable it to be run ... within the DOS emulator of recent versions of the Microsoft Windows operating system. The performance of ... the recompiled version was compared with that of the original version. The recompiled version of CMIX ... produced very similar, though not identical, results to the original version. We attribute this to ...

   Meeting Document : WG-FSA-04/65 : Autor(es): T.D. Lamb, W.K. de la Mare, A.J. Constable and C.R. Davies (Australia)

8. Killer whale Orcinus orca and sperm whale Physeter macrocephalus interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic

   longline fishing operations were recorded by CCAMLR (Commission for the Conservation of Antarctic Marine ... Living Resources) observers between 2000 and 2002 at South Georgia (Subarea 48.3) in the Southeast ... deployed in depths of 300 to 2000m, concentrated along the 1000m contour. Sperm whales were the most ... abundant marine mammals observed in the vicinity of vessels when lines were being hauled, occurring during ...

   Meeting Document : WG-FSA-03/27 : Autor(es): M.G. Purves (United Kingdom), D.J. Agnew (United Kingdom), E. Balguerías (Spain), C.A. Moreno (Chile) and B. Watkins (South Africa)

9. Review of small-scale research unit boundaries used for the assessment and management of D. mawsoni in Subarea 88.1

   Abstract:  This paper provides a review of the boundaries of the small scale research units (SSRUs ... ) used to manage the exploratory fishery for D.mawsoni in Subarea 88.1. In determining appropriate SSRU ... boundaries we considered the physical and geographical features of the Subarea including the impact of sea ... ice on fishing practices, as well as the distribution and abundance of the target and bycatch species ...

   Meeting Document : WG-FSA-03/29 : Autor(es): S.M. Hanchet (New Zealand)

10. Review of management boundaries (SSRU’s) and biological parameters used for the assessment of D. mawsoni in Subarea 88

    Abstract:  This paper provides a review of the boundaries of the small scale research units used ... to manage the exploratory fishery for D. mawsoni in Subarea 88.1. In determining appropriate SSRU ... boundaries we considered the physical and geographical features of the Subarea including the impact of sea ... ice on fishing practices, as well as the distribution and abundance of the target and bycatch species ...

    Meeting Document : WG-FSA-SAM 03/8 : Autor(es): P. Horn and S. Hanchet (New Zealand)

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