Search results
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Diel vertical distribution of Antarctic krill around the South Shetland Islands in February 2019 and its potential effect on biomass estimation
Abstract: To address the potential effect of DVM behavior on krill biomass estimates, diel ... vertical distribution of krill swarms around the South Shetland Islands in Subarea 48.1 were analyzed based ... on data collected by the Chinese fishing vessel participating in the international 2019 Area 48 ... , while 16.5 % compared to 5.7 % of the corresponding total NASC value (m 2 n.mile-2) integrated for ...
Meeting Document : SG-ASAM-2019/05 : Author(s): X. Wang, X. Yu, J. Zhang and X. Zhao
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Stock status and population assessment of the Antarctic starry skate (Amblyraja georgiana) in Subarea 48.3
Abstract: The Antarctic starry skate (Amblyraja georgiana), is currently listed as “Data ... Deficient” by IUCN (Endicott & Kyne 2009) and is one of the main by-catch species in the longline ... fishery for Patagonian toothfish (Dissostichus eleginoides) around South Georgia in the Southern Ocean ... on taxonomic identification, stock status and assessment for the Antarctic starry skate around South ...
Meeting Document : WG-FSA-18/27 : Author(s): M. Söffker, N.D. Walker, M. Belchier and J. Ellis
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Preliminary results of stock estimation for D. mawsoni using CASAL in the research block 48.6_2
Abstract: A preliminal CASAL model was constructed for D. mawsoni at the research block 48.6_2 ... . The model assumes that single sex and age structured model without considering IUU. Tag release data ... during 2012–2017 was used. Catch data during 2006–2017 was used as fishery data. In the MPD, age and ... CPUE fit well. On the otherhands, fit of tag release are relatively low level, especiall in 2016. The ...
Meeting Document : WG-FSA-18/72 : Author(s): T. Okuda
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A generalised model for evaluating yield and the long term status of fish stocks under conditions of uncertainty
flexibility for assessing the influence of different patterns of growth, natural mortality, spawning and ... fishing on the estimates of yield per recruit. Also, it can be used to evaluate the performance of a stock ... under a specified catch regime. The model uses an adaptive Runge-Kutta procedure to evaluate stock ... each year by integrating a set of differential equations which incorporate functions that specify the ...
Meeting Document : WG-FSA-95/41 : Author(s): de la Mare, W.K., Constable, A.J.
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Krill physiology and impact of temperature variations: a comparative approach
Abstract: The purpose of this "paper" is to present a research project in progress on ... the physiology of Antarctic krill, with a focus on the response to environmental temperature ... variations. This study first focused on the study of heat shock proteins (HSP) and the comparative aspect ... quickly became essential for a better understanding of the mechanisms involved in relation to the ...
Meeting Document : WG-EMM-2019/70 : Author(s): J.-Y. Toullec and C.-Y. Lee
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Tag linking – revised algorithm (2019)
Abstract: The CCAMLR Tagging Programme is a key part of CCAMLR’s management of toothfish ... fisheries and linking the details of recaptured fish to that of tagged fish is a key element of the ... programme. The CCAMLR Secretariat has developed a new tag linking approach that is designed to provide ... probability to multiple releases. This new approach uses more of the available data to increase the level of ...
Meeting Document : WG-SAM-2019/07 : Author(s): CCAMLR Secretariat
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Research program on Dissostichus spp. in Divisions 58.4.1 and 58.4.2 from 2019/20 to 2021/22
Abstract: The Scientific Committee considered the assessment of Dissostichus spp. in data-poor ... fisheries to be of a high priority (SC-CAMLR-XXIX, paragraphs 3.125 to 3.145). The use of different gear ... types for the implementation of a multi-Member research on Dissostichus spp. in East Antarctica ... (Divisions 58.4.1 and 58.4.2) carried out in the seasons 2011/12- 2017/18 is a critical factor for their ...
Meeting Document : WG-SAM-2019/19 : Author(s): Delegation of the Russian Federation
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Proposal for multi-Member research on Dissostichus spp. in Divisions 58.4.1 and 58.4.2 from 2019/20 to 2021/22
Abstract: The Scientific Committee considered the assessment of Dissostichus spp. in data-poor ... fisheries to be of a high priority (SC-CAMLR-XXIX, paragraphs 3.125 to 3.145). The use of different gear ... types for the implementation of a multi-Member research on Dissostichus spp. in East Antarctica ... (Divisions 58.4.1 and 58.4.2) carried out in the seasons 2011/12- 2017/18 is a critical factor for their ...
Meeting Document : WG-FSA-2019/52 : Author(s): Delegation of the Russian Federation
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Revised proposal for a conservation measure establishing a Marine Protected Area in Domain 1 (Western Antarctic Peninsula and South Scotia Arc)
Abstract: This paper contains the revised version of the proposed draft Conservation Measure ... presented in last year’s paper CC-CCAMLR-XXXVII/31. The revised version of the D1MPA proposal addresses ... outstanding issues as raised by Members during the 37th Scientific Committee Meeting (Hobart, 2018). The ... rationale underlying the modifications in the D1MPA Model, aimed to achieve conservation objectives agreed ...
Meeting Document : CCAMLR-38/25 Rev. 1 : Author(s): Delegations of Argentina and Chile
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Patagonian toothfish tagging study plan in the southwest Atlantic (FAO Area 41)
(Dissostichus eleginoides) in the Southwest Atlantic Ocean (FAO Area 41). Existing data on this species is ... the first dedicated research effort on this species, we have developed an adaptive experimental design ... toothfish. This work has the potential to reveal the possible connectivity among various parts of the ... Title: Patagonian toothfish tagging study plan in the southwest Atlantic (FAO Area 41) Approval ...
Meeting Document : WG-SAM-2019/12 : Author(s): C.H. Lam, K.J. Park, J. Lee and S.-G. Choi