WG-IMAF-2023

Soumis par:
Catherine Stubberfield (Secrétariat de la CCAMLR)

Approuvé par:
Catherine Stubberfield (Secrétariat de la CCAMLR)

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Soumis par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

Approuvé par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

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Résumé:

This paper provides a summary of status of current vessel and observer forms and associated manuals, and considers technical advice and updates that may be required to progress future form and manual developments as a result of proposed data collection requirements from the Scientific Committee and its Working Groups.

Soumis par:
Isaac Forster (Secrétariat de la CCAMLR)

Approuvé par:
Catherine Stubberfield (Secrétariat de la CCAMLR)

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Résumé:

In 2022, the Scientific Committee tasked the Secretariat with collating and making available fishing net diagrams and net configuration measurements submitted during the fishery notification process on the CCAMLR gear library webpage. Members were also requested to submit papers with additional net diagrams, configurations, and descriptions of operations to Read More
Soumis par:
Claire Van Werven (Secrétariat de la CCAMLR)

Approuvé par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

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Résumé:

During WG-IMAF-2022 the results of the net monitoring cable (NMC) trials undertaken during the 2020/21 and 2021/22 seasons were presented in papers WG-IMAF-2022/10 and WG-IMAF-2022/11 respectively. The Working Group subsequently recommended that the three vessels that had undergone the trial be granted a derogation from CM 25-03 provided they maintain Read More
Soumis par:
James Clark (Norvège)

Approuvé par:
Bjørn Krafft (Norvège)

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Soumis par:
Bjørn Krafft (Norvège)

Approuvé par:
Bjørn Krafft (Norvège)

Publication:
Fisheries Management and Ecology, 2022;00:1–7. DOI: 10.1111/fme.12607

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Résumé:

This paper summarises data collected by Scheme of International Scientific Observation observers and vessels reporting incidental interactions between fishing vessels, seabirds and marine mammals during fishing activities undertaken during the 2023 season, and presents a draft method for the extrapolation of IMAF and warp strikes based on a spatial and temporal Read More
Soumis par:
Isaac Forster (Secrétariat de la CCAMLR)

Approuvé par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

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Soumis par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

Approuvé par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

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Soumis par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

Approuvé par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

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Soumis par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

Approuvé par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

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Soumis par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

Approuvé par:
Mariana Cordeiro (Secrétariat de la CCAMLR)

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Résumé:

This paper introduces a pinnipeds ID guide in response to task 2.3 Development of protocols for pinniped sex and length sampling and training materials (Marine mammals – incidental mortality), as part of the agreed intersessional work plan from WG-IMAF 2022. The guide presented here is the first attempt to provide additional information to scientific observers for pinniped identification and Read More
Soumis par:
Enrique Pardo (Nouvelle-Zélande)

Approuvé par:
Nathan Walker (Nouvelle-Zélande)

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Résumé:

For developing efficient Marine Mammal Exclusion Device, this paper introduced an optimized escape opening used in Seal Exclusion Device, which may enhance the robust of the opening shape and improves visibility by strengthening the edges, and provide Read More
Soumis par:
Yi-Ping Ying (Chine)

Approuvé par:
Xianyong Zhao (Chine)

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Résumé:

During its 2022 meeting, WG-IMAF noted the need to develop a data collection template and accompanying instructions for krill trawling vessels to report standardised data in the event of a whale mortality event. Independent of WG-IMAF discussions, the US Marine Mammal Commission generously provided to IWC-SC a potential data collection form for recording information on whale Read More
Soumis par:
Nat Kelly (Australia)

Approuvé par:
Philippe Ziegler (Australia)

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Résumé:

The Agreement on the Conservation of Albatrosses and Petrels (ACAP) has identified nine Priority Populations for conservation on which advocacy and other activities might focus. Here we present the results of an analysis of global political responsibility for the seven ACAP Priority Populations of relevance for CCAMLR, based on Read More
Soumis par:
Richard Phillips (Royaume-Uni)

Approuvé par:
Martin Collins (Royaume-Uni)

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Résumé:

CCAMLR achieved a significant progress in addressing seabird bycatch in its longline fisheries, model that is followed in a range of fisheries worldwide. New actual and potential challenges and opportunities are changing the scenario of conservation issues and strategies to address Read More
Soumis par:
Marco Favero (Argentina)

Approuvé par:
María Mercedes Santos (Argentina)

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Résumé:

CCAMLR conservation measures for seabird bycatch mitigation in longline and trawl fishing in the Convention Area seek to minimise artificial light at night. But advice is not provided about how minimisation of any light pollution is to be achieved. Light pollution guidelines for wildlife, and mitigation standards for reducing light-induced vessel strikes of Read More
Soumis par:
Bailey Bourke (Australia)

Approuvé par:
Philippe Ziegler (Australia)

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Résumé:

For vulnerable marine megafauna, understanding migratory connectivity and its implications for spatiotemporal overlap with threats is crucial for developing targeted management strategies. Amongst their most severe threats is incidental mortality (bycatch) in fisheries. However, few studies have examined year-round co-occurrence of populations and the Read More
Soumis par:
Richard Phillips (Royaume-Uni)

Approuvé par:
Martin Collins (Royaume-Uni)

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Résumé:

Observation on the interaction between Antarctic fur seal and krill fishing operation was carried out onboard the Chinese krill fishing vessel Fu Rong Hai in Subarea 48.3 during July and August 2020, following a similar Read More
Soumis par:
Yi-Ping Ying (Chine)

Approuvé par:
Xianyong Zhao (Chine)

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Résumé:

During its 2022 meeting, the Working Group on Incidental Mortality Associated with Fishing (WG-IMAF) reviewed results of extrapolations of the number of warp strike incidents, as informed by the protocols for SISO observers in CCAMLR trawl fisheries requiring one 15 min observation period per vessel per day. As a result, WG-IMAF noted that the recommended one 15-minute warp strike observation Read More
Soumis par:
Dale Maschette (Australia)

Approuvé par:
Philippe Ziegler (Australia)

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Résumé:

The Chinese krill fishing vessel F/V SHEN LAN conducted her first trial on net monitoring cable seabird-strike mitigation measure during the 2022/23 fishing season in accordance with CM 25-03 (2022). Two types of fishing systems were used by the vessel during this fishing season. The continuous trawling system was only used from Read More
Soumis par:
Yi-Ping Ying (Chine)

Approuvé par:
Xianyong Zhao (Chine)

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Résumé:

CCAMLR conservation measures for seabird bycatch mitigation in demersal longline fisheries in the Convention Area have been reviewed. The review assesses whether there have been any recent developments concerning seabird bycatch mitigation technologies and techniques, particularly those of the Agreement on the Conservation of Albatrosses and Petrels (ACAP), Read More
Soumis par:
Sally Carney (Australia)

Approuvé par:
Philippe Ziegler (Australia)

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Résumé:

1. Antarctic fur seals (Arctocephalus gazella) are an iconic marine mammal, an important component of Antarctic ecosystems, and a key indicator species for regional fisheries management. Recent studies have demonstrated A. gazella is composed of at least four distinct subpopulations, including one breeding on the South Shetland Islands. These South Shetland Read More
   Soumis par:
   Douglas Krause (États-Unis d'Amérique)
   
   Approuvé par:
   George Watters (États-Unis d'Amérique)
   
   Publication:
   Accepted for publication at Mammal Review. DOI: 10.1111/MAM.12327.
   
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