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1. 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 : Автор(ы): L. Wei, G.P. Zhu, S. Somhlaba, X.Y. Yu and M. Duan

2. 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 : Автор(ы): D. Maschette, S. Wotherspoon and P. Ziegler

3. 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 : Автор(ы): M.H. Pinkerton, M. Decima, J. Kitchener, K. Takahashi, K. Robinson, R. Stewart and G.W. Hosie

4. 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 : Автор(ы): T.D. Lamb, W.K. de la Mare, A.J. Constable and C.R. Davies (Australia)

5. 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 : Автор(ы): M.G. Purves (United Kingdom), D.J. Agnew (United Kingdom), E. Balguerías (Spain), C.A. Moreno (Chile) and B. Watkins (South Africa)

6. Revised reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No.3 in 2010/11 and proposal of the consecutive survey in 2011/12

   Abstract:  A survey was conducted in order to collect information for the stock status and biology ... of toothfish in the southeast sector (24 allocated hauls) of Division 58.4.3b (BANZARE Bank), using a ... species was 12.0 ton in the SE sector, where the catch limit of 15 ton was set. Mean CPUE of Dissostichus ... spp. was 58.8 kg / km (CV = 66.7%; 105.9 kg / 1,000 hooks) for the hauls where only trotline system ...

   Meeting Document : WG-FSA-11/13 Rev. 1 : Автор(ы): K. Taki, T. Iwami and M. Kiyota (Japan)

7. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

   requires a basis for the assessment of resource status, and an algorithm for specifying the levels of ... regulatory mechanisms (e.g. a catch control law) that depends on the results of the assessment. Developing ... and selecting a procedure requires a basis for the simulation testing of procedures, and an ... . Suggestions are made under each of these headings. Assessment of resource status is provided by the CPUE " ...

   Meeting Document : SC-CAMLR-VIII/BG/17 : Автор(ы): Delegation of South Africa

8. Results of the groundfish survey carried out in CCAMLR Subarea 48.3 in January 2010

   Abstract:  In January 2010, the UK carried out the annual groundfish survey in CCAMLR Sub-Area ... 48.3 on the FV Sil. Seventy-five random hauls were completed with good coverage across the shelf ... , representing an increase in effort overall compared with surveys carried out in 2008 and 2009 on the same ... dominated the population, 2+ and 1+ sized fish were also present, and in larger proportions than in 2009. A ...

   Meeting Document : WG-FSA-10/38 : Автор(ы): R.E. Mitchell, M. Belchier, S. Gregory, L. Kenny, J. Nelson, J. Brown and L. Feathersone (UK)

9. A condensed history and document of the method used by CCAMLR to estimate krill biomass (B0) in 2010

   Abstract:  Antarctic krill (Euphausia superba) are considered to be one of the key species in the ... harvested. The commercial exploitation of krill is managed under the direction of CCAMLR (Commission for the ... Conservation of Antarctic Marine Living Resources), utilising results derived from the CCAMLR generalised yield ... of the krill yield model is an estimate of the pre-exploitation biomass of krill (B 0). The current ...

   Meeting Document : WG-EMM-16/38 : Автор(ы): S. Fielding, A. Cossio, M. Cox, C. Reiss, G. Skaret, D. Demer, J. Watkins and X. Zhao

10. Downward adjustments to local catch limits for the krill fishery in Subarea 48.1

    Abstract:  Here we compile four vignettes that, together, provide the basis for making downward ... adjustments to local catch limits for the krill fishery in Subarea 48.1.  We use the term local catch limit to ... refer to a catch limit that applies to a group of SSMUs (gSSMU), and the work presented here is based on ... the gSSMUs defined in another compilation of vignettes (AERD 2016a, pp. 3-13).  We propose downward ...

    Meeting Document : WG-EMM-16/46 : Автор(ы): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

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