SC-CAMLR-39

Ce document contient la version révisée du projet de mesure de conservation portant création d'une aire marine protégée dans le domaine 1 (ouest de la péninsule antarctique et sud de l'arc du Scotia) présenté l'année dernière dans le document CCAMLR-38/25 Rév. 1.

La version révisée de la proposition d'AMPD1 répond aux questions pendantes soulevées par les Membres lors de la 37 Read More
Soumis par:
Máximo Gowland (Argentina)

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Máximo Gowland (Argentina)

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La réussite du développement d'une stratégie de gestion de la pêche de krill est devenue une question d'importance pour la CCAMLR. La Commission a par ailleurs indiqué que la mise en œuvre de la stratégie de gestion de la pêcherie de krill avant l'expiration de la MC 51-07 se révélerait un véritable défi. Des preuves selon lesquelles des changements récents de la pêche au krill ont des effets Read More
Soumis par:
Máximo Gowland (Argentina)

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Máximo Gowland (Argentina)

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This document explains the rationale behind the final changes that were incorporated into the Domain 1 MPA proposal as it was presented to CCAMLR 38 in 2019 (CCAMLR 38- BG/22; SC-CAMLR 38-BG/03). Those changes were then based on the most recent publications, on WG-EMM discussions as well as documents regarding a krill fishery management workplan, and suggestions made during the 2018-2019 Read More
Soumis par:
Máximo Gowland (Argentina)

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Máximo Gowland (Argentina)

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La campagne d'évaluation annuelle par chalutage stratifiée au hasard a été effectuée en avril 2020 dans la division 58.5.2, à proximité des îles Heard et McDonald. Compte tenu des données issues de cette campagne, le présent document présente une évaluation de la structure de la population du poisson des glaces (Champsocephalus gunnari), de son abondance et de son rendement dans la Read More
Soumis par:
Philippe Ziegler (Australia)

Approuvé par:
Doro Forck (Secrétariat de la CCAMLR)

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Comme cela a été souligné pendant la réunion de la Commission en 2019 (CCAMLR-39, paragraphes 6.6 à 6.14), il serait opportun de désigner, en vertu de la mesure de conservation 24-04, une zone spéciale d'étude scientifique adjacente au glacier de l’île du Pin. Cette zone est d'un intérêt majeur pour la recherche sur l'écologie et l'évolution benthiques , le climat passé, les contrôles Read More
Soumis par:
Philip Trathan

Approuvé par:
Kylie Bamford (Royaume-Uni)

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Les rapports récents et à venir, y compris les rapports spéciaux du Groupe d'experts intergouvernemental sur l'évolution du climat (GIEC) des Nations Unies sur le réchauffement climatique de 1,5 °C (SR1.5) et sur l'océan et la cryosphère dans le contexte du changement climatique (SROCC) et les bilans du SCAR sur le changement climatique en Antarctique et l'environnement (ACCE), Read More
Soumis par:
Philip Trathan

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Kylie Bamford (Royaume-Uni)

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The Russian toothfish resource research program in the Ross Sea MPA is fully in line with the priorities of the Research and Monitoring Plan for the Ross Sea MPA. The program is being implemented under the conservation measure 24-01. The program description is structured in accordance with the requirements of CM 24-01. The design of longline surveys, a system for collecting and processing data Read More
Soumis par:
Svetlana Kasatkina (Fédération de Russie)

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Svetlana Kasatkina (Fédération de Russie)

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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) in the seasons 2011/12 - 2017/18 is a critical factor for Read More
Soumis par:
Svetlana Kasatkina (Fédération de Russie)

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Svetlana Kasatkina (Fédération de Russie)

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The Ross Sea shelf survey has been conducted annually since 2012, with the most recent revised proposal presented in 2017 and spanning five years (2018–2022). This paper:

• serves as notification for the 2021 survey under CM 24-01 following the survey design proposed in WG-SAM-17/39, and annual notifications in WG-FSA-18/41 and WG-SAM-19/03;
• fulfils the new requirement for Read More
  Soumis par:
  Nathan Walker (Nouvelle-Zélande)
  
  Approuvé par:
  Nathan Walker (Nouvelle-Zélande)
  
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A collaborative research program has been undertaken by Japan and South Africa since 2013 to enhance data collection and analysis in the subarea 48.6 under CM 21-02. Spain has joined the proposal starting from 2018/19 fishing season in order to contribute to the data acquisition and to speed up the integrated assessments of the Antarctic toothfish (Dissostichus mawsoni) stock in this Read More
Soumis par:
Takehiro Okuda (Japon)

Approuvé par:
Taro Ichii

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Division 58.4.4b has been a closed area since 2002 (CM 32-02) and scientific research has been conducted with a research plan submitted under CM 24-01 since 2008 by Japan. France joined 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.

Compared to last year (WG-FSA-2019/64), this Read More
Soumis par:
Takehiro Okuda (Japon)

Approuvé par:
Taro Ichii

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A research plan for Subarea 88.3 was commenced by Korea in 2016 under CM 24-01, New Zealand joined the proposal in 2017. The joint research proposal was for 3 years covering the period 2017/18, 2018/19 and 2019/20. It was designed to build on Korea’s previous research by continuing to focus on research blocks where tagged fish have previously been released on the slope, while also prospecting Read More
Soumis par:
Sangdeok Chung (Corée, Rép. de)

Approuvé par:
Seok-Gwan Choi (Corée, Rép. de)

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Mackerel icefish (Champsocephalus gunnari) is one of the most common and widespread species of Antarctic fish. Ukraine proposes to conduct a survey of Champsocephalus gunnari in the statistical Subarea 48.2. The main objective of the research is to determine the distribution and the abundance of Champsocephalus gunnari in the Subarea 48.2.

This document describes a plan to finalize toothfish survey and by-way research in the Subarea 48.1 by the Ukrainian vessel CALIPSO, as a renewal of the toothfish survey in Subarea 48.1 (WG-FSA-19/17) in a season 2020/21. The survey within the season 2019/2020 has been aborted due big by-catch Macrourus spp., what has caused an exhaustion of the quota on this species Read More
Soumis par:
Kostiantyn Demianenko (Ukraine)

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Kostiantyn Demianenko (Ukraine)

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Patagonian toothfish (Dissostichus eleginoides) and Antarctic toothfish (Dissostichus mawsoni) on the Statistical Subarea 48.2 have been monitored consistently during the last five (5) years, producing scientific data for making progress towards an estimate of the Toothfish fishery potential yield for the Subarea 48.2. This document outlook a new Chilean research plan which Read More
Soumis par:
César Cárdenas (Chili)

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César Cárdenas (Chili)

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Exploratory fishing for toothfish (Dissostichus mawsoni) 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 outlined the first multi-member toothfish exploratory fishery research plan up to 2017/18 for East Antarctica, which the Read More
Soumis par:
Philippe Ziegler (Australia)

Approuvé par:
Dirk Welsford (Australia)

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We report on our proposed work plan that will provide further input for the implementation of the CCAMLR krill fishery management Risk Assessment framework, based on Constable et al. (2016). We welcome offers of collaboration to expand on the work outlined in this work plan.

The United Nations' Intergovernmental Panel on Climate Change's (IPCC) Special Report on the Ocean and Cryosphere in a Changing Climate (SROCC) was approved by the 195 member governments (including all CCAMLR Member governments) at the IPCC's 51st Session (IPCC-51) in September 2019 in Monaco. The SROCC constitutes the most rigorous and up-to-date assessment of how the ocean and cryosphere are Read More
Soumis par:
Philip Trathan

Approuvé par:
Kylie Bamford (Royaume-Uni)

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At CCAMLR-38, the Delegation of the European Union and its Member States and Norway proposed that the Weddell Sea Marine Protected Area (WSMPA) should be adopted by CCAMLR in two phases: WSMPA Phase 1 and WSMPA Phase 2. A proposal to establish WSMPA Phase 1 has been submitted to CCAMLR-38. At this point, we provide brief information on the achievement of the WSMPA conservation features and Read More
Soumis par:
Katharina Teschke (Allemagne)

Approuvé par:
Thomas Brey

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The Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) adopted the Ross Sea region Marine Protected Area (RSRMPA) in 2016, which entered into force in 2017. The RSRMPA was established to conserve marine living resources, maintain ecosystem structure and function, protect vital ecosystem processes and areas of ecological significance, and promote scientific research. Read More
Soumis par:
George Watters (États-Unis d'Amérique)

Approuvé par:
George Watters (États-Unis d'Amérique)

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The global biodiversity and climate crisis (IPBES 2019; IPCC 2019) underscores the responsibility of CCAMLR in contributing to climate change response and mitigation, given its mandate to conserve marine life in approximately 10% of the global ocean. CCAMLR must ensure its decision-making processes and conservation measures anticipate and respond adequately to climate-driven changes in the Read More
Soumis par:
Claire Christian

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Claire Christian

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SCAR is an interdisciplinary body of the International Science Council (ISC), with a membership of 44 countries and nine ISC unions and comprising an extensive international network of scientists. SCAR is charged with initiating, developing and coordinating high quality international scientific research in, from and about the Antarctica and the Southern Ocean.

SCAR’s Mission is to Read More
Soumis par:
Angharad Downes

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Angharad Downes

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This paper presents a brief update on recent climate change-related research that is relevant to discussion and decision making by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) and the Scientific Committee (SC-CAMLR). It complements the SCAR Antarctic Climate Change and the Environment (ACCE) Reports, initially published in 2009, and updated annually through Read More
Soumis par:
Angharad Downes

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Angharad Downes

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In 2009, the marine predator research community was invited to provide tracking data to the Scientific Committee for Antarctic Research’s Expert Group on Birds and Marine Mammals. Over the next decade, the Retrospective Analysis of Antarctic Tracking Data (RAATD) team collated and painstakingly quality-controlled and filtered over 4,000 tracks (3 million locations) from 17 marine predator Read More
Soumis par:
Angharad Downes

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Angharad Downes

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Antarctic krill, Euphausia superba, supports a valuable commercial fishery in the Southwest Atlantic, which holds the highest krill densities and is warming rapidly. The krill catch is increasing, is concentrated in a small area, and has shifted seasonally from summer to autumn/winter. The fishery is managed by the Commission for the Conservation of Antarctic Marine Living Resources, Read More
Soumis par:
Ryan Driscoll

Approuvé par:
Thomas Brey

Publication:
Communication Earth & Environment-Nature, In Press

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The Amundsen Sea region toothfish fishery has been operating since 2003. Fishery catch showed a truncation of the right-hand limb of the age distribution between 2004 and 2014 with no further age data available after 2016. We recommend that further ageing of toothfish in the Amundsen Sea region be made a priority to develop annual age-length keys and age frequencies. We further recommend that Read More
Soumis par:
Nathan Walker (Nouvelle-Zélande)

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Nathan Walker (Nouvelle-Zélande)

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This report summarises fishing catch and effort in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) together with biological characteristics of the catch of Antarctic toothfish through the 2019–20 season. The implementation of the Ross Sea region Marine Protected Area from the 1^st December 2017, has concentrated subsequent fishing on the continental slope south of 70° S, with Read More
Soumis par:
Nathan Walker (Nouvelle-Zélande)

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Nathan Walker (Nouvelle-Zélande)

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The 2019 stock assessment for Antarctic toothfish in the Ross Sea region estimated the precautionary yield using the CCAMLR decision rules and by  applying the total catch limit of 3140 t between north of 70° S (19%), south of 70° S (66%), and the Special Research Zone (15%)  in accordance with conservation measure 91-05 (2016) and 41-09 (2019). That stock assessment excluded data Read More
Soumis par:
Nathan Walker (Nouvelle-Zélande)

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Nathan Walker (Nouvelle-Zélande)

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The time series of relative abundance and age structure from the Ross Sea shelf survey is an important input to the Ross Sea stock assessment, providing information about year class strength and variability. In 2020, the estimated relative biomass index of toothfish showed an increase, the highest recorded in the survey time series. Biological data and samples were collected from more than 3, Read More
Soumis par:
Nathan Walker (Nouvelle-Zélande)

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Nathan Walker (Nouvelle-Zélande)

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The second winter survey for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region was conducted by the FV Janas during September and October 2019. The survey followed the northern extent of sea ice from SSRU 882B through 881B. Antarctic toothfish sampled during this survey were in spent condition by the beginning of September, gonadosomatic indices were less than Read More
Soumis par:
Nathan Walker (Nouvelle-Zélande)

Approuvé par:
Nathan Walker (Nouvelle-Zélande)

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Biology, ecology, and management of macrourids in the Ross Sea was last summarised for CCAMLR in 2010. Since then, the discovery of a previously cryptic species (Macrourus caml), two additional trawl surveys, and additional work on species-specific biological productivity has been progressed to better inform management options. Due to the COVID-19 pandemic causing impacts on the time Read More
Soumis par:
Nathan Walker (Nouvelle-Zélande)

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Nathan Walker (Nouvelle-Zélande)

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A programme was implemented in the 2019/20 fishing season in the Ross Sea region to tag and release skates for population size estimation and to validate the thorn ageing method for Antarctic starry skate (Amblyraja georgiana). Skate tagging is required under CM 41-01 in the 2020/21 fishing season as well. Skates that were tagged and released in the 2019/20 season on NZL, AUS, and GBR Read More
Soumis par:
Nathan Walker (Nouvelle-Zélande)

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Nathan Walker (Nouvelle-Zélande)

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This paper updates the research and monitoring activities for New Zealand relevant to the Ross Sea region Marine Protected Area, as encouraged by Conservation Measure 91-05 paragraph 16(i)–(ii).

In 2016 the Commission for the Conservation of Antarctic Marine Living Resources adopted Conservation Measure 91-05, establishing the Ross Sea region Marine Protected Area. Annex B of this Read More
Soumis par:
Nathan Walker (Nouvelle-Zélande)

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Nathan Walker (Nouvelle-Zélande)

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We review the stock structure of Antarctic toothfish Dissostichus mawsoni in Statistical Area 88 with the aim of characterising the likely stock boundaries relative to fishery management. We include information from studies examining genetics, otolith microchemistry, stable isotopes, tagging, size and age structures, growth dynamics, and particle dispersal simulations. A clear Read More
Soumis par:
Nathan Walker (Nouvelle-Zélande)

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Nathan Walker (Nouvelle-Zélande)

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The research plan on Antarctic toothfish in Subarea 88.3 has been underway for four consecutive years. Two vessels have participated in tagging and releasing toothfish from 8 discrete areas. Subsequent fishing effort has recaptured some fish, which can now be used to transition the research to a “biomass estimation” phase based on catch limits for each research block following CCAMLR’s trend Read More
Soumis par:
Nathan Walker (Nouvelle-Zélande)

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Nathan Walker (Nouvelle-Zélande)

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During late March to mid-April 2020, the annual random stratified trawl survey (RSTS) around Heard Island and McDonald Islands (HIMI) was conducted in CCAMLR Division 58.5.2, with the completion of 151 stations. The survey was conducted on the FV Atlas Cove. Sampling protocols such as the design and the duration of the hauls were similar to recent surveys, but with a new set of Read More
Soumis par:
Philippe Ziegler (Australia)

Approuvé par:
Doro Forck (Secrétariat de la CCAMLR)

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WG-FSA-19 recommended an update on stock parameters, including recruitment indices from the trawl survey, and age-frequency data and tag-recapture data from the fishery be presented to WG-FSA-20 to evaluate whether recruitment and the stock trajectory were consistent with those estimated by the stock assessments for Patagonian toothfish (Dissostichus eleginoides) fishery in CCAMLR Read More
Soumis par:
Philippe Ziegler (Australia)

Approuvé par:
Doro Forck (Secrétariat de la CCAMLR)

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Robust stock assessments and catch limits for Dissostichus mawsoni according to CCAMLR decision rules remain to be determined for Divisions 58.4.1 and 58.4.2. Precautionary management arrangements are in place as set out in Conservation Measures 41-11 and 41-05.

WG-FSA-16/29, and WG-FSA-18/59 and WG-FSA-19/44 outlined the multi-member toothfish exploratory fishery research Read More
Soumis par:
Philippe Ziegler (Australia)

Approuvé par:
Doro Forck (Secrétariat de la CCAMLR)

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We present an update of ageing and estimates of biological parameters, and of the single-region integrated stock assessment for Antarctic toothfish (Dissostichus mawsoni) fishery in CCAMLR Divisions 58.4.1 and 58.4.2. The update of ageing and estimates of biological parameters addresses Milestone 1.4, the updated of the stock assessment addresses Milestone 1.6 of the current multi- Read More
Soumis par:
Philippe Ziegler (Australia)

Approuvé par:
Doro Forck (Secrétariat de la CCAMLR)

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Antarctic toothfish (Dissostichus mawsoni) have been found in regions sampled throughout Subarea 88.3 at depths from 550–2000 m, with size distributions and catch rate (i.e. abundance), differing by area, and especially by depth. Size distributions along the slope were typically bimodal, comprised of both very small and adult fish. Toothfish catch rates were highest on the central Read More
Soumis par:
Sangdeok Chung (Corée, Rép. de)

Approuvé par:
Seok-Gwan Choi (Corée, Rép. de)

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The Antarctic toothfish, Dissostichus mawsoni, is a species of Family Nototheniidae of Order Perciformes native to the Southern Ocean and one of the top predators in the Antarctic ocean. We were able to obtain 72 haplotypes (10 orders, 16 Families, 26 Genera, and 35 species) as the five-year metabarcoding analyses about the stomach contents of D. mawsoni in subarea 88.3. Read More
Soumis par:
Sangdeok Chung (Corée, Rép. de)

Approuvé par:
Seok-Gwan Choi (Corée, Rép. de)

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The Antarctic toothfish, Dissostichus mawsoni, serves as a valuable fisheries resource around the Antarctic Continent since 1997, managed by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR). Although defining genetic or stock structure of populations is crucial for improving fishery management of this species, its number of populations or stocks and Read More
Soumis par:
Sangdeok Chung (Corée, Rép. de)

Approuvé par:
Seok-Gwan Choi (Corée, Rép. de)

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In this paper, we report on fish by-catch during exploratory fishing activities undertaken in Divisions 58.4.1 and 58.4.2 during the period 2014 to 2020. Fish by-catch comprised 12 species or groups of species. In 2019 and 2020, exploratory fishing occurred exclusively in research block 58.4.2_1 where by-catch represented 4.8% of the total catch in both years. 98% of the biomass was Read More
Soumis par:
Clara Péron (France)

Approuvé par:
Marc Eléaume (France)

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Information is presented on a Workshop for Training Russian Scientific Observers and Inspectors to work in fisheries in the CAMLR Convention Area held at the AtlantNIRO Institute in Kaliningrad (17-21 August 2020).

Oceanites, Inc. is a US-based, nonprofit, scientific, and educational organization under US law, which was founded in 1987. Its mission is to advance science-based conservation and to increase the awareness of climate change, its potential impacts, and climate change adaptation through the lens of Antarctic penguins.

This report summarizes activities of Oceanites since CCAMLR- Read More
Soumis par:
Ron Naveen

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Ron Naveen

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The Antarctic Peninsula and Scotia Sea regional ecosystem and potentially management of the krill fishery are both experiencing rapid change. This includes warming, growth in krill catches, and increasingly concentrated fishing effort, all of which impact penguins and other predators. Further, the krill fishery is expanding into areas of East Antarctica unfished since the 1990s. Here ASOC Read More
Soumis par:
Claire Christian

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Claire Christian

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As part of the reseach plan in Subarea 88.3, scientific electronic monitoring was trialled by both the FV Greenstar and the FV Marigolds. Initial trials resulted in choosing two different systems (Saltwater Inc, and Hansael) which were both operational for the 2020 season. Both systems performed well under Antarctic conditions and show promise in assisting the data collection Read More
Soumis par:
Sangdeok Chung (Corée, Rép. de)

Approuvé par:
Seok-Gwan Choi (Corée, Rép. de)

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This paper updates the knowledge of egg and larval transport of Dissostichus mawsoni in the East Antarctic region as a background document of the research plan for the multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/2019 to 2021/2022. Using particle tracking technique, this Read More
Soumis par:
Mao Mori

Approuvé par:
Doro Forck (Secrétariat de la CCAMLR)

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This paper represents the annual report of a multi-member longline survey on Antarctic toothfish (Dissostichus mawsoni) at Subarea 48.6 in the 2019/20 fishing season by Japan, Spain, and South Africa. The data set, C2 and Observer data, was provided by the CCAMLR Secretariat on the 14th July, 2020. In this paper, the data set during current fishing season (2019/20) was used for reporting the Read More
Soumis par:
Takehiro Okuda (Japon)

Approuvé par:
Doro Forck (Secrétariat de la CCAMLR)

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In order to achieve the milestone “1.5 Update CASAL model” (SC-CAMLR-37 Report, Annex12), the CASAL models for Dissostichus eleginoides at Division 58.4.4b were revised.

We updated CASAL model with latest data up to 2018/19 fishing season. In this report, there are no change in model assumptions and scenarios from the previous model (WG-FSA-2019/62) except for removing M3 ( Read More
Soumis par:
Takehiro Okuda (Japon)

Approuvé par:
Doro Forck (Secrétariat de la CCAMLR)

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This paper represents the annual report of the multi-member longline survey on Patagonian toothfish (Dissostichus eleginoides) at Division 58.4.4b in the 2019/20 fishing season by Japan and France. The C2 and Observer data sets were provided by the CCAMLR Secretariat on July the 14th, 2020. In this paper, the data set during current fishing season (2019/20) was used for reporting the Read More
Soumis par:
Takehiro Okuda (Japon)

Approuvé par:
Doro Forck (Secrétariat de la CCAMLR)

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The CCAMLR Scientific Committee and its Working Groups are tasked with providing precautionary management advice in accordance with CCAMLR Article II and using the CCAMLR Decision Rule as a foundation. WG-EMM(2019) began setting out a process for defining a “data rich” analysis approach progressing towards assessment and management of the krill stock and its fishery. At WG-EMM(2020) Read More
Soumis par:
Doro Forck (Secrétariat de la CCAMLR)

Approuvé par:
Admin Admin (Secrétariat de la CCAMLR)

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The biomass of Antarctic toothfish (Dissostichus mawsoni) in CCAMLR Subarea 48.4 is estimated from tagging returns, giving an average of 1,456 tonnes since 2016. Applying the CCAMLR agreed precautionary assumption of average biomass, using the 5-year average biomass, and harvest rate of γ = 0.038, implies a 2020/21 yield of 55 tonnes.

Historically, a precautionary approach has Read More
Soumis par:
Chris Darby

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Chris Darby

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Last 15 years (since 2005) a total catch of Antarctic krill in the Subarea 48 was sustainably increasing, remaining, however, under the trigger level of 620 000 tons. Analysis of the catch data shows that an intensity of krill fishing was slightly growing with use of traditional (conventional) trawls (krill catch by conventional trawls in 2019 is up to 46% higher than such catch in 2008), and Read More
Soumis par:
Kostiantyn Demianenko (Ukraine)

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