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1. Summary of monitoring and research effort and preliminary results from the 2019 Scotia Sea krill monitoring survey with FV Cabo de Hornos

   Abstract:  We here summarise the sampling effort and some preliminary findings from the 2019 ... Scotia Sea krill monitoring survey with the F/V Cabo de Hornos. The vessel was chartered by the ... Association of Responsible Harvesting Companies (ARK) and manned with personnel from the Institute of Marine ... Research to carry out a significant part of the 2019 Scotia Sea large scale krill monitoring. All sections ...

   Meeting Document : WG-EMM-2019/46 : Автор(ы): G. Skaret, M. Martinussen, G. McCallum, R. Pedersen, J. Rønning, A.L. Donoso, O.A. Bergstad and B.A. Krafft

2. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2009/10

   considerably over time in each of the fisheries showing no trend in the main fisheries in Subarea 88.1 and SSRU ... Abstract:  The exploratory fishery for Dissostichus spp. Has now been operating for 14 years in ... Subarea 88.1 and for 9 years in Subarea 88.2. This report summarises the timing, depth, and location of ... fishing together with the catch of Dissostichus spp and bycatch species by year for the period 1997–98 to ...

   Meeting Document : WG-FSA-10/23 : Автор(ы): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

3. Population identity, site-fidelity, movement ranges and preliminary estimates of abundance of southern right whales in the Antarctic Indian sector inferred from genetic markers

   Indian sector. The latter analysis was conducted to assess their site-fidelity, sex-specific ranges and ... Abstract:  Baleen whales are important components of the Antarctic marine ecosystem as ‘sea-based ... data for ecosystem modelling studies. Genetic analyses were conducted to investigate the population ... identity as well the individual identity of southern right whales distributed in summer in the Antarctic ...

   Meeting Document : WG-EMM-18/18 : Автор(ы): L.A Pastene, M. Goto, P. Acuña, M. Taguchi, T. Hakamada and K. Matsuoka

4. Revised assessment models for Patagonian toothfish in research block C of Division 58.4.4, Ob & Lena Banks for the years 1989/1990 to 2012/13

   eleginoides in research block C in Division 58.4.4 b on the assumption of constant year class strength and no ... IUU fishing occurrence in the block. The five models are as follows: 1) catch at length model as ... parameters were not estimated in these models according to the recommendations in the last WG-FSA meeting. In ... addition, proportion mature for ages was calculated on the assumption of logistic curve fitting for the ...

   Meeting Document : WG-SAM-14/15 : Автор(ы): K. Taki (Japan)

5. Glider-based estimates of Antarctic krill in Bransfield Strait, and the West shelf off Livingston Island, Antarctica

   biomass assessments of Antarctic krill (Euphausia superba) in the Bransfield Strait and the west shelf of ... those from ship-based surveys historically conducted by the U. S. Antarctic Marine Living Resources ... (AMLR) Program at several temporal and spatial scales to explore the feasibility of using gliders to ... replace vessel-based biomass surveys. In the Bransfield Strait, glider-based biomass density estimated ...

   Meeting Document : WG-EMM-2019/13 : Автор(ы): C. Reiss, A. Cossio, G. Cutter, J. Walsh and G. Watters

6. Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments

   Paper Title:  Movement, growth and available abundance to the fishery of Dissostichus eleginoides ... Patagonian toothfish (Dissostichus eleginoides) in different sectors of the Southern Ocean are considered to ... be genetically distinct. However, in the Indian Ocean, it is largely unknown whether stocks are ... separate between shelves and banks separated by deep water. More particularly, the separation of  stocks on ... the same stock and there is no need to conduct separate assessments for each ground (Constable et al ... occur, but so far no such movement has been detected. All the fi shing grounds are located on the ... normally found on the grounds. No tagged fi sh have been recaptured in the French trawl fi shery near ... west of Heard Island respectively (Figure 1), or the Elan or BANZARE Banks to the south. No tagged ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Автор(ы): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb

7. Scientific requirements for an orderly development of the krill fishery

   Abstract:  At CCAMLR XXV Australia presented the results of the BROKE-West acoustic krill biomass ... survey. These were used by the Scientific Committee to recommend to the Commission a revised ... tonnes). During the Commission deliberations on this issue Australia noted that while the scientific data ... supported the large increase in the precautionary catch limit, such a large increase required the inclusion ...

   Meeting Document : WG-EMM-07/23 : Автор(ы): A. Constable, G. Slocum and S. Nicol (Australia)

8. Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002/03 to 2017/18 using a two-area model

   Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea region, defined here as SSRUs 88.2C–H. The ... region is split into two areas: the North (SSRU 88.2H) comprising large mature fish, and the South (SSRUs ... were first developed for the region in 2014 and refined in 2015 and 2016. Results showed the need to ... collect mark-recapture data in the South to inform the estimation of biomass in the South. Simulation work ...

   Meeting Document : WG-FSA-18/37 : Автор(ы): S. Mormede and S. Parker

9. Fish Heaven: a Monte Carlo, spatially explicit single species fishery model for the testing of parameter estimation methods

   Abstract:  Fish Heaven is a simple spatially explicit age structured fish model, containing the ... object oriented framework to allow for the possible extension in a number of directions. In particular it ... was designed with the view of testing the efficacy of different statistical sampling regimes given ... various plausible spatial structures of fish stock. The model has a simple age and space structured ...

   Meeting Document : WG-FSA-00/36 : Автор(ы): I. Ball and A. Constable (Australia)

10. Revised research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.3a in 2014/15

    blocks 5843a_1 using CPUE analogy method, Petersen method and CASAL model, although the tagging data of ... current season has not been validated and not used for the present analysis. We used updated reference ... area size for the CPUE method. Detailed results using CASAL models in the research block are described ... in a separated document. The estimated stock size in the block was 2 393, 394 and 647 tonnes in CPUE ...

    Meeting Document : WG-FSA-14/20 : Автор(ы): Delegation of Japan

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