CCAMLR-XXXVI/02 Plus d'infos |
Proposition pour un financement du FEM (Fonds pour l'environnement mondial) visant à soutenir le renforcement des capacités des membres de la CCAMLR qui pourraient prétendre au FEM Délégations de l'Afrique du Sud, du Chili, de l'Inde, de la Namibie et de l'Ukraine et secrétariat
Résumé:
En 2014, le Comité scientifique a approuvé une proposition de l'Afrique du Sud selon laquelle le secrétariat serait chargé d'élaborer une proposition en vue d'obtenir une aide financière de la part du Fonds pour l'environnement mondial (FEM). Cette proposition servirait à développer la capacité des pays membres de la CCAMLR qui pourraient prétendre au FEM à renforcer leur participation au sein Read More
Soumis par:
Doro Forck (Secrétariat de la CCAMLR)
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|
8.2 |
CCAMLR-XXXVI/28 Rev. 2 Plus d'infos |
Activités de pêche INN et tendances en 2016/17 et listes des navires INN Secrétariat de la CCAMLR |
2.3 |
SC-CAMLR-XXXVI/08 Plus d'infos |
Rapport du responsable de l'atelier sur le Système international d'observation scientifique de la CCAMLR (WS-SISO) Responsable du WS-SISO (J. Moir Clark (UE)) |
5.1 |
SC-CAMLR-XXXVI/20 Plus d'infos |
Plan de recherche et de suivi de l'aire marine protégée de la région de la mer de Ross A. Dunn, M. Vacchi et G. Watters (responsables)
Résumé:
Plan de recherche et de suivi de l'aire marine protégée de la région de la mer de Ross
Soumis par:
Alistair Dunn (Nouvelle-Zélande)
Approuvé par:
Alistair Dunn (Nouvelle-Zélande)
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8 |
SC-CAMLR-XXXVI/BG/01 Rev. 1 Plus d'infos |
Catches of target species in the Convention Area CCAMLR Secretariat |
2.3 |
SC-CAMLR-XXXVI/BG/38 Rev. 1 Plus d'infos |
CCAMLR information and data systems update CCAMLR Secretariat
Résumé:
In providing this update on Information and Data Systems the Secretariat welcomes input and recommendations from Members on priorities for future work including in the formation and operation of the Data Management Group (DMG).
Soumis par:
Tim Jones (Secrétariat de la CCAMLR)
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|
2.3 |
WG-EMM-17/02 Plus d'infos |
Development of a five-year work plan for the CCAMLR Scientific Committee M. Belchier (Chair of SC-CAMLR)
Résumé:
At last year’s meeting, it was agreed that a five-year work plan for the Scientific Committee should be developed for consideration by the Scientific Committee in 2017 (SC-CAMLR-XXXV, paragraphs 13.8 to 13.20). It was agreed that the work should be led by the Chair of the Scientific Committee with input from the conveners of its working groups and that it should be made available for Read More
Soumis par:
Mark Belchier (Royaume-Uni)
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|
7.1 |
WG-FSA-17/01 Plus d'infos |
Proposal for a Climate Change Response Work Program for CCAMLR Delegations of Australia and Norway on behalf the Climate Change Intersessional Correspondence Group
Résumé:
The attached draft Climate Change Response Work Program addresses the remaining Terms of Reference of the Intersessional Correspondence Group (ICG) to develop approaches for integrating considerations of the impacts of climate change into the work of CCAMLR (components of TORs 7 and 8). It aims to build on related work of the Commission, SC-CAMLR and its working groups, and to link with Read More
Soumis par:
Eloise Carr (Australia)
Approuvé par:
Dirk Welsford (Australia)
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|
8 |
WG-FSA-17/02 Plus d'infos |
Report on the CCAMLR marine debris monitoring program CCAMLR Secretariat
Résumé:
Annual report on the CCAMLR marine debris monitoring program.
Soumis par:
Emily Grilly
Approuvé par:
Andrew Wright (Secrétariat de la CCAMLR)
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8 |
WG-FSA-17/03 Plus d'infos |
Proposed observer logbooks for the 2019 longline and finfish trawl fisheries CCAMLR Secretariat
Résumé:
The first CCAMLR Scheme of International Scientific Observation workshop (WS-SISO) was held in Buenos Aires in 2017, and discussed and agreed revisions to observer logbooks for all CCAMLR fisheries (see SC-CCAMLR-XXXVI/08). This paper summarises the proposed changes to the observer logbooks for the longline and finfish trawl fisheries, and outlines their introduction leading up the proposed Read More
Soumis par:
Isaac Forster (Secrétariat de la CCAMLR)
Approuvé par:
Andrew Wright (Secrétariat de la CCAMLR)
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|
5 |
WG-FSA-17/04 Plus d'infos |
Fish by-catch in the krill fishery: 2017 update CCAMLR Secretariat
Résumé:
Data on fish by-catch in the krill fishery from commercial catch data (100 153 hauls) and CCAMLR SISO data (20 766 hauls) up to 1 Sept 2017 was used to examine the frequency of occurrence, length-frequency distribution and geographic provenance of the key fish taxa reported. There is continued evidence of an increase in the data quality from the observer scheme, as well as an increase in the Read More
Soumis par:
Keith Reid
Approuvé par:
Andrew Wright (Secrétariat de la CCAMLR)
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|
6.1 |
WG-FSA-17/05 Plus d'infos |
Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2: Secretariat update 2017 CCAMLR Secretariat
Résumé:
This paper presents an update of the metrics of capacity and capacity utilisation presented in WG-SAM 14/19 and WG-FSA 15/09 in order to monitor trends in capacity in exploratory toothfish fisheries in Subareas 88.1 and 88.2. The updated metrics show the same pattern as in previous updates and do not indicate an excess of capacity in the fishery. As previously reported, based on a measure of Read More
Soumis par:
Keith Reid
Approuvé par:
Andrew Wright (Secrétariat de la CCAMLR)
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|
3.2.6, 3.2.7 |
WG-FSA-17/06 Plus d'infos |
Long-distance movements of Patagonian (Dissostichus eleginoides) and Antarctic toothfish (D. mawsoni) from fishery-based mark-recapture data CCAMLR Secretariat
Résumé:
Patagonian toothfish (Dissostichus eleginoides) are found around South America from Ecuador to Uruguay, and in the sub-Antarctic and Antarctic while Antarctic toothfish (D. mawsoni) are found closer to the Antarctic continental shelf and generally south of the Polar Frontal Zone. Data from existing tagging studies indicate that both species are generally non-migratory with Read More
Soumis par:
Keith Reid
Approuvé par:
Andrew Wright (Secrétariat de la CCAMLR)
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|
2.3 |
WG-FSA-17/07 Plus d'infos |
A characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) to 2016–17 S. Parker and S. Mormede
Résumé:
This report summarises fishing catch and effort in the Ross Sea region (Subarea 88.1 and SSRUs 882AB) together with biological characteristics of the catch of Antarctic toothfish through the 2017 season. In 2017, sea ice constraints were minimal and catch rates were the second highest on record, resulting in the shortest season to since the fishery started.
Median and 90%ile scaled Read More
Soumis par:
Alistair Dunn (Nouvelle-Zélande)
Approuvé par:
Alistair Dunn (Nouvelle-Zélande)
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3.2.6 |
WG-FSA-17/08 Plus d'infos |
Correlation of sea-surface temperature in Ross Sea, Weddell Sea and the sea off Peru for the ice analysis T. Namba, T. Ichii and T. Okuda
Résumé:
Following the note by the Working Group in paragraph 4.21 in WG-SAM-17 report on the ice concentration analysis by Namba et al. (WG-SAM-17/10), the further analyses for the ice concentration was conducted to investigate correlations between sea-ice coverage and wider global weather phenomena such as El Niño/El Niño Southern Oscillation or rising temperatures/increased variability in the sea Read More
Soumis par:
Taro Ichii
Approuvé par:
Taro Ichii
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|
8 |
WG-FSA-17/09 Plus d'infos |
Gonad analysis of Antarctic toothfish in Subareas 58.4 and 88.3 J. Kim, S.-G. Choi, J. Lee, J. Lee and D. An
Résumé:
The ratio of female among the 600 specimens of Antarctic toothfish collected from the 58.4.1 area and 88.3 area within the CCAMLR Conservation Zone during February through March, 2013 was found to be 0.50, and displayed the tendency of increase with increase in the total length 140 cm. The gonadosomatic index of the fish was 2.5 for the female, and 1.7 for male. The hepatosomatic index of Read More
Soumis par:
Seok-Gwan Choi (Corée, Rép. de)
Approuvé par:
Seok-Gwan Choi (Corée, Rép. de)
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|
4.2.2.1 |
WG-FSA-17/10 Plus d'infos |
Revised research plan for the 2017/18 exploratory longline fishery of D. mawsoni in Subarea 48.6 by South Africa and Japan Delegations of Japan and South Africa
Résumé:
South Africa and Japan revised the next season’s (2017/18) research plan in Subarea 48.6 using the latest CCAMLR C2 and Observer data, following the recommendations and notification from WG-SAM meeting in 2017 (e.g., WG-SAM-17 report, paragraph 4.4, 4.10, and 4.18, 2017) and data extracts provided by the CCAMLR Secretariat on the 27th of July, 2017 were used.
The estimated median stock Read More
Soumis par:
Takehiro Okuda (Japon)
Approuvé par:
Taro Ichii
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|
4.2.1.2 |
WG-FSA-17/11 Plus d'infos |
Revised research plan for the 2017/18 toothfish fishery in Division 58.4.4b by Japan and France Delegations of Japan and France
Résumé:
Japan and France revised the next season’s (2017/18) research plan in research blocks 58.4.4b_1 and 58.4.4b_2 using the latest CCAMLR C2 and Observer data, following several advices during WG-SAM meeting in 2017. We have used extracted data provided by the CCAMLR Secretariat on 27th July, 2017.
The estimated median stock size in block 58.4.4b_1 and 58.4.4b_2 was 1452.03 and 921.91, Read More
Soumis par:
Takehiro Okuda (Japon)
Approuvé par:
Taro Ichii
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4.2.2.2 |
WG-FSA-17/12 Plus d'infos |
Diets of Antarctic toothfish estimated from fatty acids and stable isotopes C.-K. Kang, S.-G. Choi, J. Lee, J. Lee and D. An
Résumé:
Fatty acid (FA) profile and stable isotope (SI) signature analyses has been used to examine feeding ecology of Antarctic toothfish and food webs of Antarctic marine ecosystem. Specimens of Antarctic toothfish, by-catch and their stomach contents were collected for the past five years in the eight locations of he Antarctic Waters. We investigated ontogenetic and spatial variability in resource Read More
Soumis par:
Seok-Gwan Choi (Corée, Rép. de)
Approuvé par:
Seok-Gwan Choi (Corée, Rép. de)
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|
4.2.2.1 |
WG-FSA-17/13 Plus d'infos |
Procedures for proposals and reporting on research plans in data-poor fisheries S.J. Parker and D.C. Welsford
Résumé:
Noting the large increase in new research proposals tabled targeting toothfish across the Convention Area, and the relative lack of progress in achieving research objectives in some areas, WG-SAM-17 recommended that the procedures for research plan proposals in data poor fisheries be compiled and further developed to bring together the advice from the Scientific Committee and its Working Read More
Soumis par:
Dirk Welsford (Australia)
Approuvé par:
Dirk Welsford (Australia)
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|
4.1 |
WG-FSA-17/14 Rev. 1 Plus d'infos |
The random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters surrounding Heard Island (Division 58.5.2) for 2017 G.B. Nowara, T.D. Lamb and P. Ziegler
Résumé:
The annual random stratified trawl survey (RSTS) of 2017 at HIMI was conducted during April, with the completion of 163 stations. The survey has been conducted on the FV Atlas Cove since 2015. Sampling protocols such as the design and the duration of the hauls were similar to recent surveys, but with a new set of randomly selected station points.
The unstratified density of Read More
Soumis par:
Philippe Ziegler (Australia)
Approuvé par:
Dirk Welsford (Australia)
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3.1.3 |
WG-FSA-17/15 Plus d'infos |
An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford
Résumé:
This paper presents an update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica (Division 58.4.1) and the Amundsen Sea (Subarea 88.2). Initially, experienced readers at the Australian Antarctic Division (AAD) read a subset of 40 otoliths from the New Zealand reference collection for Antarctic toothfish, with all pairwise comparisons between readers and Read More
Soumis par:
Philippe Ziegler (Australia)
Approuvé par:
Dirk Welsford (Australia)
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|
4.2.2.1, 4.2.3.1 |
WG-FSA-17/16 Plus d'infos |
Spatial variation in Antarctic toothfish (Dissostichus mawsoni) catch rate, mean weight, maturity stage and sex ratio across Divisions 58.4.1, 58.4.2 and 58.4.3b P. Yates, P. Ziegler, P. Burch, D. Maschette, D. Welsford and S. Wotherspoon
Résumé:
Exploratory longline fisheries targeting mainly Antarctic toothfish (Dissostichus mawsoni) have been operating in Divisions 58.4.1 and 58.4.2 since 2003, however robust stock assessments and catch limits according to CCAMLR decision rules have yet to be developed. A key step in developing management advice in these Divisions is understanding the distribution, abundance and boundaries Read More
Soumis par:
Philippe Ziegler (Australia)
Approuvé par:
Dirk Welsford (Australia)
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|
4.2.2.1 |
WG-FSA-17/17 Rev. 1 Plus d'infos |
Joint report on exploratory fishing in Divisions 58.4.1 and 58.4.2 between the 2011/12 and 2016/17 fishing seasons Delegations of Australia, France, Japan, Republic of Korea and Spain
Résumé:
Robust stock assessments and catch limits according to CCAMLR decision rules remain to be determined for Divisions 58.4.1 and 58.4.2, and precautionary management arrangements are in place as set out in Conservation Measures 41-11 and 41-05. WG-FSA-16/29 outlined the first multi-member toothfish exploratory fishery research plan for these Divisions, including research objectives, methods and Read More
Soumis par:
Philippe Ziegler (Australia)
Approuvé par:
Dirk Welsford (Australia)
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|
4.2.2.1 |
WG-FSA-17/18 Rev. 1 Plus d'infos |
Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia, France, Japan, Republic of Korea and Spain Delegations of Australia, France, Japan, Republic of Korea and Spain
Résumé:
Exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions 58.4.1 and 58.4.2) began in 2003. Robust stock assessments and catch limits according to CCAMLR decision rules remain to be determined for these Divisions. WG-FSA-16/29 outlines the first multi-member toothfish exploratory fishery research plan for East Antarctica, including research objectives, Read More
Soumis par:
Philippe Ziegler (Australia)
Approuvé par:
Dirk Welsford (Australia)
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4.2.2.2 |
WG-FSA-17/19 Plus d'infos |
An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2 P. Ziegler
Résumé:
This paper presents an updated assessment for the Patagonian toothfish (Dissostichus eleginoides) fishery at Heard Island and McDonald Islands in CCAMLR Division 58.5.2 with data until end of the season 2015/16. The updated assessment model is based on the best available estimates of model parameters, the use of abundance estimates from a random stratified trawl survey (RSTS), Read More
Soumis par:
Philippe Ziegler (Australia)
Approuvé par:
Dirk Welsford (Australia)
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3.2.4 |
WG-FSA-17/20 Plus d'infos |
Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2 T. Lamb
Résumé:
CCAMLR XXXIV (para. 5.68) endorsed new pre-season (1-14 April) and post-season (15-30 November) trial season extensions, in addition to existing pre-season (15-30 April) and post-season (1-14 November) trial extensions in the Patagonian toothfish longline fishery in Statistical Division 58.5.2 (WG-FSA-15/48).
Australia undertook to report annually on the results of all the trials. This Read More
Soumis par:
Philippe Ziegler (Australia)
Approuvé par:
Dirk Welsford (Australia)
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6.2 |
WG-FSA-17/21 Plus d'infos |
Estimation of tag-loss rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands in Division 58.5.2 P. Ziegler
Résumé:
Tag-loss or tag-shedding rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands (HIMI) in Division 58.5.2 were estimated following the method proposed by Adam & Kirkwood (2001). Tag-loss rates were generally low, with longline-caught and recaptured fish losing their tags quicker than trawl-caught and recaptured Read More
Soumis par:
Philippe Ziegler (Australia)
Approuvé par:
Dirk Welsford (Australia)
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3.2.4 |
WG-FSA-17/22 Plus d'infos |
A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey D. Maschette, P. Burch, P. Yates and D. Welsford
Résumé:
The annual random stratified trawl survey was undertaken in Division 58.5.2 in the vicinity of Heard Island and the McDonald Islands during April 2017. This paper provides an updated growth model and a preliminary assessment for mackerel icefish (Champsocephalus gunnari) population structure, abundance and yield in Division 58.5.2 to the west of 79o 20’ E using standard Read More
Soumis par:
Philippe Ziegler (Australia)
Approuvé par:
Dirk Welsford (Australia)
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3.1.3 |
WG-FSA-17/23 Plus d'infos |
Mitigation of Macrourus by-catch in research block 58.4.1_6 and estimation of Macrourus biomass and sustainable catch in Divisions 58.4.1 and 58.4.2 D. Maschette, P. Burch, P. Yates and P. Ziegler
Résumé:
Macrourus spp. are the major by-catch species in the exploratory toothfish fishery in Divisions 58.4.1 and 58.4.2. CCAMLR has previously identified three main steps to minimise bycatch; i) avoidance, ii) mitigation and iii) the setting of sustainable by-catch limits if mortality is not preventable (SC-CAMLR-XXII, paragraph 5.230). Here, we undertake a risk assessment of the effects of Read More
Soumis par:
Philippe Ziegler (Australia)
Approuvé par:
Dirk Welsford (Australia)
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4.2.2.1, 6.1 |
WG-FSA-17/24 Plus d'infos |
Proposal to modify Conservation Measure CM 24-02 regarding the use of a streamer line Y. Korzun and S. Kasatkina
Résumé:
The activities of the CCAMLR to minimize incidental mortality of seabirds in the course of longline fishing or longline fishing research in the Convention Area are carried out by means of: a) use a streamer line and b) control of the longline weighting rate. Currently, according to CM 24-02 (2014) and CM 25-02 (2015) which in force, vessels already use gears that do not allow birds pecking up Read More
Soumis par:
Svetlana Kasatkina (Fédération de Russie)
Approuvé par:
Svetlana Kasatkina (Fédération de Russie)
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6.2 |
WG-FSA-17/25 Plus d'infos |
Plan of the research program of Russian Federation in Subarea 48.5 (Weddell Sea) in season 2017/18 Delegation of the Russian Federation
Résumé:
Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR subareas, where stock assessment should be carried out. In spite of hard ice conditions at most part of the Sea during mostly all the year, this large water area is very similar to the Ross Sea. This similarity could be found in geographical location, bathymetric profile, currents system and follows from Read More
Soumis par:
Svetlana Kasatkina (Fédération de Russie)
Approuvé par:
Svetlana Kasatkina (Fédération de Russie)
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4.2.1.2 |
WG-FSA-17/26 Plus d'infos |
Research program to examine the life-cycle and resource potential of Dissostichus species in the Special Research Zone within the Ross Sea region Marine Protected Area (RSRMPA) in 2017–2027 Delegation of the Russian Federation
Résumé:
Russian Federation is going to continue investigation for toothfish in Ross Sea. The previous Russian program was undertaken in the Subarea 88.2 in 2010–2012. This paper presents the research program in the frame of the research and monitoring associated with the RSRMPA.
Russian research program have objectives to investigate the life-cycle, distribution and movement, biological Read More
Soumis par:
Svetlana Kasatkina (Fédération de Russie)
Approuvé par:
Svetlana Kasatkina (Fédération de Russie)
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3.2.7 |
WG-FSA-17/27 Plus d'infos |
Revised research longline fishing proposal for Dissostichus spp. in Subarea 48.2, second season Delegation of Chile
Résumé:
This document contains the research plan proposed by the Chilean Delegation in the Subarea 48.2 including the observations suggested by the Working Group on Statistics, Assessments and Modelling (WG-SAM) during the meeting held in Buenos Aires, Argentina, on 26 to 30 June 2017. Among the recommendations adopted, coordination was achieved with the Delegation of Ukraine to develop research in Read More
Soumis par:
César Cárdenas (Chili)
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4.2.1.2 |
WG-FSA-17/28 Plus d'infos |
Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020) Delegation of Chile
Résumé:
The Republic of Chile completely revised its initial plan for a three-year project to study the distribution, abundance and biological characteristics of Antarctic demersal fish communities after the first survey had been undertaken in 2016. The revised proposal is planned to run from 2018 to 2020. Based on the experience gained in the first phase of research and recommendations made by WG-SAM Read More
Soumis par:
César Cárdenas (Chili)
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4.2.4 |
WG-FSA-17/29 Plus d'infos |
Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2017 – Reflection of the recommendations by WG-EMM-16 and SC-CAMLR-XXXV K. Teschke, H. Pehlke and T. Brey
Résumé:
The CCAMLR Scientific Committee in 2016 reviewed three scientific background documents in support of the development of a CCAMLR MPA in the Weddell Sea. Germany was asked to carry out further work, in particular regarding the issues and questions raised at WG-EMM-16 and SC-CAMLR-XXXV.
Here, the authors intend to update the Working Group on Fish Stock Assessment on the current state of Read More
Soumis par:
Katharina Teschke (Allemagne)
Approuvé par:
Thomas Brey
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|
8 |
WG-FSA-17/30 Plus d'infos |
Preliminary results of otolith elemental composition analysis of Dissostichus spp. in Subarea 48.2 Delegation of Chile
Résumé:
In order to explore aspects related to the structure of population units and habitat use of Dissostichus spp. within CCAMLR Subarea 48.2, the elemental composition of nuclear and marginal sections of 10 otoliths from adults of D. eleginoides and 20 otoliths from adults of D. mawsoni from samples of otoliths collected during the first season of the research carried Read More
Soumis par:
César Cárdenas (Chili)
Approuvé par:
César Cárdenas (Chili)
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|
4.2.1.1 |
WG-FSA-17/31 Plus d'infos |
Proposal for continuation of the Ukrainian research survey in Subarea 48.2 in 2017/18 and 2018/19 seasons Delegation of Ukraine
Résumé:
The third year research survey of Ukraine in Subarea 48.2 by the fishing vessel SIMEIZ is finished. Ukraine proposes to continue survey in same boundary for the next 2 year.
Soumis par:
Leonid Pshenichnov (Ukraine)
Approuvé par:
Kostiantyn Demianenko (Ukraine)
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|
4.2.1.2 |
WG-FSA-17/32 Plus d'infos |
Revised research program of Ukraine in Subarea 48.1 in 2018 Delegation of Ukraine
Résumé:
Ukraine proposes to carry out a scientific survey of Dissostichus spp. by bottom longline in the eastern part of Subarea 48.1.
Soumis par:
Leonid Pshenichnov (Ukraine)
Approuvé par:
Kostiantyn Demianenko (Ukraine)
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|
4.2.1.2 |
WG-FSA-17/33 Plus d'infos |
Revised research plan for the 2017/18 exploratory longline fishery of Dissostichus spp. in Division 58.4.2 Delegation of Ukraine
Résumé:
Ukraine proposes to conduct survey in three research blocks in Division 58.4.2 during the season 2017/18.
Soumis par:
Leonid Pshenichnov (Ukraine)
Approuvé par:
Kostiantyn Demianenko (Ukraine)
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|
4.2.2.2 |
WG-FSA-17/34 Plus d'infos |
Revised research program of Ukraine in Subarea 88.3 Delegation of Ukraine
Résumé:
The research of Dissostichus in Subarea 88.3 carried out by Chile in 1998, New Zealand in 2005, Russia in 2011 and 2012 and the Republic of Korea in 2016. It was noted that no tagged fishes were recaptured during the previous research activities. Studies are planned to be conducted from January to April, as ice conditions permit. It is planned that the number of longline sets will be Read More
Soumis par:
Leonid Pshenichnov (Ukraine)
Approuvé par:
Kostiantyn Demianenko (Ukraine)
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|
4.2.3.2 |
WG-FSA-17/35 Plus d'infos |
Ukrainian research proposal for the 2017/18 season in Subarea 88.1 Delegation of Ukraine
Résumé:
Ukraine proposes a plan for scientific research in Statistical Subarea 88.1 for vessels SIMEIZ, KOREIZ, CALIPSO and MARIGOLDS based on the provisions of paragraph 2 of Conservation Measure 91-05. Studies are expected to be conducted in the Special Research Zone.
Soumis par:
Leonid Pshenichnov (Ukraine)
Approuvé par:
Kostiantyn Demianenko (Ukraine)
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|
4.2.3.2 |
WG-FSA-17/36 Plus d'infos |
Mark-recapture inputs to the 2017 Ross Sea region stock assessment (Subarea 88.1 and SSRUs 88.2A–B) S. Parker and S. Mormede
Résumé:
We provide a summary of the mark-recapture data inputs to the 2017 Ross Sea region stock assessment.
A total of 44 827 Antarctic toothfish have been released and 2473 recaptured, and 1 191 Patagonian toothfish released and 103 recaptured since 2001. Effective tagging survival and tag detection rates for each vessel were calculated. In the last few years the effective tagging survival is Read More
Soumis par:
Alistair Dunn (Nouvelle-Zélande)
Approuvé par:
Alistair Dunn (Nouvelle-Zélande)
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3.2.6 |
WG-FSA-17/37 Rev. 1 Plus d'infos |
Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2016/17 S. Mormede
Résumé:
We provide an update of the Bayesian sex and age structured population stock assessment for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2A–B), using catch, catch-at-age, and tag-recapture data from 1998 to 2017 and including the results from the Ross Sea Shelf survey from 2012 to 2017. The model estimates of unfished biomass and Read More
Soumis par:
Alistair Dunn (Nouvelle-Zélande)
Approuvé par:
Alistair Dunn (Nouvelle-Zélande)
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3.2.6 |
WG-FSA-17/38 Plus d'infos |
Diagnostic plots of stock assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2016/17 S. Mormede
Résumé:
We provide extensive diagnostic plots for the 2017 models R1 and R3 for Antarctic toothfish in the Ross Sea as recommended by WG-SAM-15 (2015). The stock assessment rationale and models as well as their main diagnostics are described in Mormede (2017). The CASAL files for the assessment models were provided to the CCAMLR Secretariat as a zip file.
In this paper we present the results Read More
Soumis par:
Alistair Dunn (Nouvelle-Zélande)
Approuvé par:
Alistair Dunn (Nouvelle-Zélande)
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3.2.6 |
WG-FSA-17/39 Plus d'infos |
The toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2016/17 S. Parker and S. Mormede
Résumé:
Fishing in the Amundsen Sea region (SSRUs 882C–H) has been managed through a research plan since the 2015 fishing season. The aim of the research plan is to collect sufficient information to carry out a reliable stock assessment of the toothfish stock in that area. In this report, we assess if the research plan is thus far achieving its goals and if the current fishing level is deemed Read More
Soumis par:
Alistair Dunn (Nouvelle-Zélande)
Approuvé par:
Alistair Dunn (Nouvelle-Zélande)
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3.2.7 |
WG-FSA-17/40 Plus d'infos |
Joint research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand Delegations of the Republic of Korea and New Zealand
Résumé:
Exploratory fishing for toothfish (Dissostichus spp.) in Subarea 88.3 began with a survey by Chile in 1999. Since then there have been research surveys by New Zealand (2005), Russia (2011 and 2012) and Korea (2016 and 2017). However, there is still considerable uncertainty about the abundance of Antarctic toothfish in Subarea 88.3 and the Scientific Committee has requested members Read More
Soumis par:
Alistair Dunn (Nouvelle-Zélande)
Approuvé par:
Alistair Dunn (Nouvelle-Zélande)
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4.2.3.2 |
WG-FSA-17/41 Plus d'infos |
New Zealand submission for the trial of the CCAMLR observer training program accreditation scheme A. Dunn, D. Kerrigan and A. McNabb
Résumé:
In 2011, the Scientific Committee endorsed the procedure for training and accreditation presented in SC-CAMLR-XXX/08, and invited Members to participate in a trial of the initial review and technical peer review. These are described in Parts a–c of the proposed procedure for a CCAMLR observer training program accreditation scheme (COTPAS, SC-CAMLR-XXX, paragraphs 7.19 to 7.20 Read More
Soumis par:
Alistair Dunn (Nouvelle-Zélande)
Approuvé par:
Alistair Dunn (Nouvelle-Zélande)
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5 |
WG-FSA-17/42 Plus d'infos |
Estimates of local biomass, including estimates of uncertainty, for Antarctic (Dissostichus mawsoni) and Patagonian (Dissostichus eleginoides) toothfish in research blocks in Subareas 48.2, 48.6, 58.4 and 88.3 CCAMLR Secretariat
Résumé:
This paper includes updated local biomass estimates of toothfish populations with bootstrapped confidence intervals using both CPUE-by-seabed area and Chapman biomass estimation methods agreed at WG-SAM-16 with revisions to the CPUE-by-seabed area parameter values agreed at WG-SAM-17. The analysis includes Research Blocks in Subareas 48.2, 48.6, 58.4 and 88.3. Given the changes in CPUE-by- Read More
Soumis par:
Lucy Robinson (Secrétariat de la CCAMLR)
Approuvé par:
Andrew Wright (Secrétariat de la CCAMLR)
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4.1 |
WG-FSA-17/43 Plus d'infos |
Report on the survey in Subarea 48.2 in 2015–2017 Delegation of Ukraine
Résumé:
The three years of survey and observations of Dissostichus spp. in statistical Subarea 48.2 on board the Ukrainian vessel SIMEIZ. Survey was conducted in accordance with the recommendations of the Scientific Committee and Commission. Obtained data will be used for the future biomass estimation of the target species and making decision for the possible future fishing Read More
Soumis par:
Leonid Pshenichnov (Ukraine)
Approuvé par:
Kostiantyn Demianenko (Ukraine)
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4.2.1.1 |
WG-FSA-17/44 Plus d'infos |
Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2017 M. Belchier, V. Foster, S. Gregory, S. Hill, V. Laptikhovsky, P. Lafite and L. Featherstone
Résumé:
1. The 2017 UK groundfish survey took place over the South Georgia and Shag Rocks shelf on the FV Sil between the 30th January – 7th February 2017.
2. 72 random hauls were completed covering depths of between 100 and 350m.
3. Overall biomass of Mackerel icefish (Champsocephalus gunnari) was calculated at 91,049 t with a lower 1-sided 95% interval estimate of 37,514t. Read More
Soumis par:
Mark Belchier (Royaume-Uni)
Approuvé par:
Chris Darby
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3.1.1 |
WG-FSA-17/45 Plus d'infos |
Outline for year 2 of the 3-year longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4 M. Söffker and M. Belchier
Résumé:
This paper outlines the specific research objectives and plan to achieve them for the second year of an agreed 3-year longline survey, in the wider context of connecting the recently undertaken surveys in Subarea 48.2 with the established fishery in Subarea 48.4. The overall research objectives include determining population connectivity between these Subareas, improving understanding of Read More
Soumis par:
Marta Söffker (Union européenne)
Approuvé par:
Chris Darby
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4.2.1.1 |
WG-FSA-17/46 Plus d'infos |
Preliminary results from the first year of a three-year survey into the connectivity of toothfish species in Subareas 48.2 and 48.4 K. Olsson, M. Belchier and M. Söffker |
4.2.1.1 |
WG-FSA-17/47 Plus d'infos |
Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 based on the 2017 groundfish survey T. Earl
Résumé:
A stratified bootstrap of icefish catch density based on the UK 2017 demersal fish survey catch rate data indicated a biomass of 91 531 tonnes (lower one sided 5th percentile: 47 424 tonnes) within Statistical Subarea 48.3. Projections for the 2017/18 and 2018/19 seasons applying the CCAMLR harvest control rule lead to catch limits (TAC) of 4 733 tonnes for 2017/18 and 3 269 tonnes for 2018/19 Read More
Soumis par:
Marta Söffker (Union européenne)
Approuvé par:
Chris Darby
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3.1.1 |
WG-FSA-17/48 Rev. 1 Plus d'infos |
Subarea 48.2 research and research proposals for 2018 – overview M. Söffker, M. Belchier, A. Zuleta, S. Hopf, P. Ruiz, J.C. Quiroz, L. Pshenichnov, D. Marichev and C. Darby |
4.2.1.1 |
WG-FSA-17/49 Plus d'infos |
Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4 N.D. Walker and T. Earl
Résumé:
The stock of Antarctic toothfish (D. mawsoni) in CCAMLR Subarea 48.4 is estimated from tagging returns to be 979.3 tonnes in 2017. Applying the CCAMLR agreed precautionary assumption of average biomass across the time series and harvest rate of γ = 0.038, implies a 2017/18 yield of 37 tonnes compared to the 2016/17 catch limit of 38 tonnes.
Soumis par:
Marta Söffker (Union européenne)
Approuvé par:
Chris Darby
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|
3.2.2 |
WG-FSA-17/50 Plus d'infos |
Estimating seabird by-catch in CCAMLR longline fisheries C. Darby and K. Olsson
Résumé:
After many years of close to zero incidental seabird mortality in the longline fishery throughout the CCAMLR Convention Area, recent years have seen an increase in Subarea 48.3 and in Division 58.5.2. At the same time, concern has been expressed about the suitability of the method used to raise the observer data and to estimate total seabird mortality. Given the high profile of this issue in Read More
Soumis par:
Chris Darby
Approuvé par:
Chris Darby
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6.2 |
WG-FSA-17/51 Plus d'infos |
Estimates of length-frequency in the assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 T. Earl
Résumé:
This working document provides details of a modification in the method of calculating length distributions used in the assessment of Champsocephalus gunnari from the length distributions of individual hauls. The effect of these changes in method have little impact on the catches that would have been permitted based on the 2011 and 2013 surveys, but has a larger impact on the catch Read More
Soumis par:
Chris Darby
Approuvé par:
Chris Darby
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3.1.1 |
WG-FSA-17/52 Plus d'infos |
Assessment of Patagonian toothfish (D. eleginoides) in Subarea 48.4 T. Earl
Résumé:
This paper describes an updated CASAL based assessment and stock projection for Patagonian toothfish (D. eleginoides) in Subarea 48.4.
Soumis par:
Chris Darby
Approuvé par:
Chris Darby
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|
3.2.2 |
WG-FSA-17/53 Plus d'infos |
Assessment of Patagonian toothfish (D. eleginoides) in Subarea 48.3 T. Earl and S. Fischer
Résumé:
Assessment of the Patagonian toothfish (D. eleginoides) in Subarea 48.3 indicates that the current status of the stock is at 51% of B0. Spawning biomass has been increasing in recent years. Projections indicate that a constant catch of 2 600 tonnes in the 2017/18 and 2018/19 seasons would be consistent with the CCAMLR decision rule.
Soumis par:
Chris Darby
Approuvé par:
Chris Darby
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3.2.1 |
WG-FSA-17/54 Plus d'infos |
Developing a strategy for coordinated research leading to achievement of the CCAMLR objectives for Antarctic toothfish (D. mawsoni) in Area 48 C. Darby and M. Söffker
Résumé:
Submissions for new research proposals and data collection programmes on D. mawsoni in Subarea 48 have recently become widely dispersed with little co-ordination or integration into existing programmes and their objectives. Without regional co-ordination, research in this area is unlikely deliver the objectives of the Commission, across the whole of Area 48.
Co-ordinated by WG- Read More
Soumis par:
Chris Darby
Approuvé par:
Chris Darby
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|
4.2.1, 7.2 |
WG-FSA-17/55 Plus d'infos |
Continuation of multi-Member research on the Dissostichus eleginoides exploratory fishery in 2017/18 in Division 58.4.3a by France and Japan Delegations of France and Japan
Résumé:
In Division 58.4.3a, since 2012, research fishing has been conducted in the research block by two vessels using longline: “Shinsei Maru No. 3” (Japan) and the “Saint André” (France). The catch limit for Dissostichus spp. is 32 tonnes in 2014/2015 and the total reported catch up was 16.3 tonnes. For the season (2015/16), the catch limit was unchanged (32 Read More
Soumis par:
Jean-Baptiste Lecomte (France)
Approuvé par:
Marc Eléaume (France)
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4.2.2.2 |
WG-FSA-17/56 Plus d'infos |
Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears S. Kasatkina
Résumé:
The indices of exploratory toothfish fishery in the Subareas 881 and 88.2 for the period of 2010-2016 are considered. Taking into account the different number of hooks at longlines sets used at the fishery, the catch indices were normalized to 1000 hooks. The effect of the gear types (autoline, spanish, trotline) on the observed spatial-temporal variability of CPUE toothfish (kg/1000 hooks), Read More
Soumis par:
Svetlana Kasatkina (Fédération de Russie)
Approuvé par:
Svetlana Kasatkina (Fédération de Russie)
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|
3.2.6, 3.2.7 |
WG-FSA-17/57 Plus d'infos |
Monitoring Antarctic toothfish (D. mawsoni) recruitment in the southern Ross Sea S.M. Hanchet, S. Mormede, S. Parker, K. Large, A. Dunn and B. Sharp
Résumé:
Knowledge of recruitment dynamics, and in particular trends in recruitment and recruitment variability, are key inputs for integrated assessments of fish stocks. A quantitative longline survey monitoring the recruitment of Antarctic toothfish (Dissotichus mawsoni) in the southern Ross Sea was started in 2012. The first year established the feasibility of carrying out Read More
Soumis par:
Alistair Dunn (Nouvelle-Zélande)
Approuvé par:
Alistair Dunn (Nouvelle-Zélande)
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3.2.6 |
WG-FSA-17/58 Rev. 2 Plus d'infos |
Summary of scientific observer data collected in CCAMLR fisheries in the Convention Area during 2017 CCAMLR Secretariat
Résumé:
This paper summarises the data collected by Scientific Observers operating in the Convention Area on board fishing vessels during the 2017 season (based on data received by the Secretariat up to 15 September 2017). Information on observer deployments, incidental mortality and fish sampling are presented.
Soumis par:
Isaac Forster (Secrétariat de la CCAMLR)
Approuvé par:
Andrew Wright (Secrétariat de la CCAMLR)
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5, 6.1, 6.2 |
WG-FSA-17/59 Plus d'infos |
Updated assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet Islands (Subarea 58.6) R. Sinegre, G. Duhamel and J.B. Lecomte
Résumé:
This paper presents the latest developments in models for Crozet following the more recent ones (Sinègre & Duhamel, 2016) with an updating of input data from the more recent years (up to 2016/17 season) and a reassessment of stocks taking into account the previous remarks of the WG-FSA meetings.
Soumis par:
Romain Sinegre (France)
Approuvé par:
Marc Eléaume (France)
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3.2.5 |
WG-FSA-17/60 Plus d'infos |
Updated stock assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Kerguelen Islands (division 58.5.1) R. Sinegre, G. Duhamel and J.B. Lecomte
Résumé:
This paper presents the latest developments in model of Kerguelen with an updating of input data from the more recent years (up to 2016/17 season) and a reassessment of stocks taking into account the previous remarks of the WG-FSA meetings.
Soumis par:
Romain Sinegre (France)
Approuvé par:
Marc Eléaume (France)
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3.2.3 |
WG-FSA-17/61 Rev. 1 Plus d'infos |
Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18 Delegation of Norway
Résumé:
Norway proposes a plan to investigate the toothfish populations in the Statistical Subarea (SS) 48.6 in 2017/18 using standardised longline gear, established tagging techniques, pop-up tags and acoustic techniques. The proposed research is pertinent to issues raised by the Scientific Committee (SC-CAMLR-XXXV, paragraph 3.3.252-3.265) and will supplement and expand existing efforts to Read More
Soumis par:
Olav Rune Godø (Norvège)
Approuvé par:
Olav Rune Godø (Norvège)
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4.2.1.2 |
WG-FSA-17/62 Plus d'infos |
Proposed process for independent review of CCAMLR toothfish stock assessments Scientific Committee Chair and Vice-Chairs and the working group conveners
Résumé:
Following discussion at the Scientific Committee in 2016, we propose a process for independent review of CCAMLR integrated toothfish stock assessments based on the process used by the Center for Independent Experts (CIE, NOAA), and the benchmarking process used by ICES.
Soumis par:
Doro Forck (Secrétariat de la CCAMLR)
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7.2 |
WG-FSA-17/63 Plus d'infos |
Stock assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Kerguelen Islands (Division 58.5.1) after the 2017 Poker Biomass survey R. Sinegre and G. Duhamel
Résumé:
In 2017, a bottom trawl survey (PoKer 4) was undertaken at Kerguelen Islands (Division 58.5.1) to collect information about the size distribution and the biomass status of mackerel icefish, Champsocephalus gunnari. Data from this random stratified trawl survey was used for a short term assessment of C. gunnari on Kerguelen EEZ. The standard CCAMLR methods were used to provide Read More
Soumis par:
Romain Sinegre (France)
Approuvé par:
Marc Eléaume (France)
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3.1.2 |
WG-FSA-17/64 Plus d'infos |
Length-weight relationships of six fish species associated with krill fishery in the Atlantic sector of the Southern Ocean L. Wei, G.P. Zhu and Q.Y. Yang
Résumé:
Length-weight relationships (LWRs) of six fish species in the Southern Ocean, which commonly associated with Antarctic krill fishery, were determined. Samples were collected with Chinese krill trawler (codend mesh size 2 cm) in the Atlantic sector of the Southern Ocean from January to August 2016. Data on LWRs and the relationships between standard length and total length of those species were Read More
Soumis par:
Guoping Zhu (Chine)
Approuvé par:
Xianyong Zhao (Chine)
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6.1 |
WG-FSA-17/65 Plus d'infos |
Otolith elemental signatures reveal habitat shift of Electrona carlsbergi L. Wei and G.P. Zhu
Résumé:
Electron subantarctic (Electrona carlsbergi) is one of important pelagic myctophidae which circumpolar distributed between the warm waters of the subtropical confluence zone and the Southern Ocean. The distribution, life history and migration pattern of this species were examined using the biological data in 1990s, however, the habitat shift of this species was still unclear. The Read More
Soumis par:
Guoping Zhu (Chine)
Approuvé par:
Xianyong Zhao (Chine)
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|
6.1 |
WG-FSA-17/66 Plus d'infos |
Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Division 58.4.1 by Spain L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde and S. Barreiro
Résumé:
We present preliminary results on age and growth of Dissostichus mawsoni for the third season (2015/16) of the Spanish research fishing in the 58.4.1 Division obtained for growth rings on otolith readings. It is included the growth parameters estimates by sex. Growth parameters obtained using length-age pair values are: L∞: 208.2, k: 0.074 and t0: 0.564 for females; L∞: 173, k: 0.089 Read More
Soumis par:
Roberto Sarralde Vizuete (Espagne)
Approuvé par:
Eduardo Balguerías
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4.2.2.1 |
WG-FSA-17/P01 Plus d'infos |
Changing status of three notothenioid fish at the South Shetland Islands (1983–2016) after impacts of the 1970–80s commercial fishery E. Barrera-Oro, E. Marschoff and D. Ainley
Résumé:
Owing to commercial fishing during the late 1970s/early 1980s, targeted notothenioid species had become depleted around the South Shetland Islands. Herein we report subsequent changes in the prevalence of three species, Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in Potter Cove, King George Islands/ Isla 25 de Mayo, in a 33-year effort to Read More
Soumis par:
Esteban Barrera-Oro (Argentina)
Publication:
Polar Biol., 201 (2017): 1–8, http://dx.doi.org/10.1007/s00300-017-2125-0
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4.2.4 |
WG-FSA-17/P02 Plus d'infos |
Total mercury and methylmercury concentrations in Antarctic toothfish (Dissostichus mawsoni): Health risk assessment M. Yoon, M.-R. Jo, K.-T. Son, W.-S. Choi, S. I. Kang, S.-G. Choi, J. H. Lee and T. S. Lee
Résumé:
In the present study, the concentrations of total mercury in different organs of the Antarctic toothfish (Dissostichus mawsoni) collected from CCAMLR research blocks in Subarea 88.3 and Division 58.4.1 off the coast of Antarctica were determined. The results revealed total mercury concentrations of 0.165 ± 0.095 mg/kg (0.023–0.454 mg/kg) in the Antarctic toothfish. In fish muscle, Read More
Soumis par:
Seok-Gwan Choi (Corée, Rép. de)
Approuvé par:
Seok-Gwan Choi (Corée, Rép. de)
Publication:
Arch. Environ. Con. Tox. (in press)
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4.2.2.1 |
WG-FSA-17/P03 Plus d'infos |
Metabarcoding analysis of the stomach contents of the Antarctic toothfish (Dissostichus mawsoni) collected in the Antarctic Ocean T.-H. Yoon, H.-E. Kang, S. R. Lee, J.-B. Lee, G. W. Baeck, H. Park and H.-W. Kim
Résumé:
Stomach contents of the Antarctic toothfish, Dissostichus mawsoni, collected from Subareas 58.4 and 88.3 were analyzed using next generation sequencing (NGS) technology. After processing the raw reads generated by the MiSeq platform, a total of 131,233 contigs (130 operational taxonomic units [OTUs]) were obtained from 163 individuals in subarea 58.4, and 75,961 contigs (105 OTUs) Read More
Soumis par:
Seok-Gwan Choi (Corée, Rép. de)
Approuvé par:
Seok-Gwan Choi (Corée, Rép. de)
Publication:
PeerJ (in press)
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4.2.2.1 |
WG-FSA-17/P04 Plus d'infos |
Spatio–temporal dynamics in maturation and spawning of Patagonian toothfish Dissostichus eleginoides on the subantarctic Kerguelen Plateau P. Yates, P. Ziegler, D. Welsford, J. McIvor, B. Farmer and E.Woodcock
Résumé:
This study investigated maturation and spawning of Patagonian toothfish Dissostichus eleginoides in the Heard Island and McDonald Islands (HIMI) fishery on the Kerguelen Plateau in the Indian Sector of the Southern Ocean based on gonads and otoliths collected between years 2004–2015, and using histological analyses and calibration of macroscopic staging criteria. Dissostichus Read More
Soumis par:
Philippe Ziegler (Australia)
Approuvé par:
Dirk Welsford (Australia)
Publication:
J. Fish Biol. (accepted), doi: 10.1111/jfb.13479
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3.2.4 |
WG-SAM-17/39 Plus d'infos |
Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022 S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn
Résumé:
This paper proposes to continue the Ross Sea shelf toothfish survey for the next five years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern Ross Sea (core strata). This is a continuation of the yearly time series of research surveys of these strata carried out since 2012. It is important to continue the time series as the data collected provide Read More
Soumis par:
Alistair Dunn (Nouvelle-Zélande)
Approuvé par:
Alistair Dunn (Nouvelle-Zélande)
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|
3.2.6 |