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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
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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)
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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
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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)
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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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Research plan for the exploratory longline fishery for Dissostichus spp. in SSRUs C, E and G in Division 58.4.1 in 2012/13 (this is a revision of WG-SAM-12/10 Rev. 1)
Abstract: In the Division 58.4.1 there are two stocks; one extends from the SSRU 58.4.1C to the ... SSRU 58.4.2A, and the other one to the SSRU 58.4.1H. The population sizes were vulnerable with a big ... range of about 1000-2000 t per SSRU in 58.4.1 and 100-1500 t per SSRU in 58.4.2. During the 2003-2007 ... recaptured which were not enough data to estimate stock biomass for considering the precautionary catch limit ...
Meeting Document : WG-FSA-12/39 : Автор(ы): Delegation of the Republic of Korea
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in Subarea 58.4.1 in 2014/15
Abstract: Most things related to Dissostichus spp. in the eastern side of Antarctic has not been ... known well as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one ... extends from the SSRU 58.4.1C to the SSRU 58.4.2A, and the other one to the SSRU 58.4.1H. The population ... sizes were vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. During the 2004-2014 ...
Meeting Document : WG-FSA-14/38 : Автор(ы): Delegation of the Republic of Korea
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Assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990-2014
assessments of Dissostichus eleginoides in the research block 58.4.4b_1 following the recommendation of the WG ... -FSA-2014 meeting. IUU catch was estimated within the models using disease mortality functionality ... at the estimates of OB_1b model, use of knife edge selectivity at fixed 8 year for disease mortality ... tagging data (OB_1b_notag model) and 5) removal of age observations, and fix of both selectivitties at the ...
Meeting Document : WG-SAM-15/25 : Автор(ы): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)
this research plan in 2015 and a joint proposal was submitted for the first time in 2016 (WG-SAM-16/06 ... and WG-FSA-16/33 Rev. 1) for a period of 5 years. The proposal submitted here has been substantially ... revised to address the concerns expressed at WG-FSA 2019 and SC-CAMLR-XXXVII (para. 3.158). We followed ... and improved the revised research plan presented in SC-CAMLR-XXXVII Annex 12 and redefined slightly ...
Meeting Document : WG-SAM-2019/08 : Автор(ы): Delegations of Japan and France
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Feeding ecology of the two sympatric fish species Notothenia rossii and N. coriiceps from western Antarctic Peninsula: a fatty acids and stable isotopes approach
useful tool to elucidate the flow of energy and trophic interactions in an ecosystem and to analyse the ... - Notothenia rossii and N. coriiceps – that are key components in the inshore ecosystem of the South Shetland ... Islands. For both nototheniids, potential food sources from the benthic community (algae, amphipods ... , polychaetes and gastropods) were screened in order to re-evaluate their trophic position (TP) and the energy ...
Meeting Document : WG-FSA-2019/26 : Автор(ы): E. Moreira, M. Novillo, K. Mintenbeck, E. Barrera-Oro and M. De Troch
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