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Planned updates for the integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
Abstract: This paper describes some of the planned updates to the 2019 integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoide s) fishery in Division 58.5.2. These updates will include, inter alia, the estimation and inclusion of fishing
Meeting Document : WG-SAM-2019/27 : Author(s): P. Ziegler and J. Dell
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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
Abstract: Catch rates or catch per unit of effort (CPUE) are used for data-poor exploratory 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
Meeting Document : WG-SAM-2019/25 : Author(s): D. Maschette, S. Wotherspoon and P. Ziegler
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The factors causing impact on the toothfish catch estimation on board of fishing vessels
Abstract: The toothfish catch estimation on board of fishing vessels at the CCAMLR area is being done often in a difficult weather conditions at sea, which can cause a negative impact on the measurement equipment. Besides, until today the “green weight” of the toothfish catch on fishing vessels
Meeting Document : WG-SAM-2019/14 : Author(s): K. Demianenko, P. Zabroda, I. Slypko, L. Pshenichnov, A. Bazhan, O. Diripasko and D. Marichev
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Analysis of the sea-ice concentration (SIC) in Subarea 48.6, research blocks 2, 3, 4 and 5 with sea-surface temperature (SST) and statistical models
, where the limit of navigability for fishing vessels is set at 20 % SIC, was calculated. It should become ...
Meeting Document : WG-SAM-2019/15 : Author(s): T. Namba, R. Sarralde, H. Pehlke, K. Teschke, T. Brey, S. Hain, T. Ichii, T. Okuda, S. Somhlaba and J. Pompert
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Oceanographic study of the Subarea 48.6 with sea-surface temperature (SST) anomaly and vertical profile of sea temperature (PST)
Abstract: The Oceanographic study of the Subarea 48.6 on the SST, SIC, PST, current and wind vector was conducted. The lower SST corresponded to the higher SIC and vice versa. The PST indicates the mixed layer depths in research block5. The currents around the research block 4 and 5
Meeting Document : WG-SAM-2019/16 : Author(s): T. Namba, R. Sarralde, T. Ichii, T. Okuda, S. Somhlaba and J. Pompert
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Research program to examine the life- cycle and resource potential of Dissostichus spp. in the Special Research Zone within the Ross Sea region marine protected area (RSRMPA) in 2019–2027
Abstract: Russian Federation is going to continue investigation of life –cycle and resource potential for Dissostichus spp. in Ross Sea. This paper presents the research program in the frame of the Research and Monitoring Plan for RSRMOR. The research program shall be conducted in the Special
Meeting Document : WG-SAM-2019/17 : Author(s): Delegation of the Russian Federation
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Updated biological parameters of Dissostichus mawsoni at Subarea 48.6
Abstract: To achieve the milestone “Updating biological parameters for the population, suitable for inclusion in CASAL: Age Length Key (ALK), growth curves, maturity ogives” (SC-CAMLR-37 Report, para 3.130), this paper represents the updated length-weight relationship, growth curve, ALK, and
Meeting Document : WG-SAM-2019/36 : Author(s): T. Okuda and R. Sarralde Vizuete
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A development of catch per unit effort (CPUE) trends that may be useful in stock assessment for Dissostichus mawsoni in Subarea 48.6
Abstract: Catch per unit effort (CPUE) is developed for subarea 48.6 from data covering 2004/2005 to 2017/2018 fishing seasons. General Linear Models and General Linear Mixed Models were applied to these data to extract annual time series trends that may be of use in the fitting of stock
Meeting Document : WG-SAM-2019/37 : Author(s): S. Somhlaba, K. Leach, M. Bergh, T. Okuda, T, IIchi, R. Sarralde and T. Namba
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On acceptable scattering of longlines geo-referencing in the toothfish fishery in the CAMLR Convention Area
Abstract: The issues of longlines geo-referencing during the exploratory fisheries of the toothfish in the Convention Area are discussed. Cases of differences in the coordinates of settings and haulings are considered. The estimation of the maximum possible variation of the coordinates in the
Meeting Document : WG-SAM-2019/22 : Author(s): O. Krasnoborodko
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Information about methods for finding lost longlines
Abstract: The experience of the use of methods by Ukrainian vessels to search for lost longliness in the CCAMLR Convention Area is presented. Author(s): P. Zabroda and L. Pshenichnov Title: Information about methods for finding lost longlines Approval: Approved Secretariat Workflow Status:
Meeting Document : WG-SAM-2019/23 : Author(s): P. Zabroda and L. Pshenichnov