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Adjusting the management of the Antarctic krill fishery to meet the challenges of the 21st century Proc. Natl. Acad. Sci. U.S.A., 2025 (Ref: 17436)
Authors:
Meyer B.Arata J.A.Atkinson A.Bahlburg D.Bernard C.A.Cárdenas C.A.Grant S.M.Hill S.L.Hüppe L.Kawaguchi S.Kraft B.A.Labrousse S.Maschette D.Piñones A.Reiss C.Siebenhüner B.Sylvester Z.Ziegler P.
Category 1: Peer-reviewed literature

Antarctic krill (Euphausia superba) is the central prey species in the Southern Ocean food web, supporting the largest and fastest-growing fishery in the region, managed by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR).

Proposed workshop on integrating climate change and ecosystem interactions into CCAMLR science CCAMLR Working Group on Fish Stock Assessment, Hobart, Australia, 10 to 20 October 2022, 2022 (Ref: 16907)
Authors:
Cavanagh R.Collins M.Darby C.Dahlgren T.Eléaume M.Hill S.Hollyman P.Kawaguchi S.Krafft B.Pardo E.Trathan P.Van de Putte A.Walker N.Watters G.Ziegler P.
Category 2: International meeting papers

Evaluating the effects of climate change on Antarctic marine living resources is a priority topic for CCAMLR and was identified by the 2022 Scientific Committee Symposium as a key area of research. Acknowledging the need to better coordinate, target and integrate scientific advice on climate change…

The Australian Antarctic Science 10-year Krill and Krill Ecosystem Project (KaKE): A Long-Term Marine Ecosystem Monitoring Project Commencing in East Antarctica IWC Scientific Committee Meeting (SC69A), Bled, Slovenia, 24 April - 6 May 2023, 2023 (Ref: 16911)
Authors:
Double M.C.Andrews-Goff V.Cleeland J.Cox M.Emmerson L.Kawaguchi S.Kelly N.King R.Kitchener J.MacDonald A.Maschette D.Miller B.Miller C.Polanowski A.Raymond B.Raymond T.Southwell C.Suter L.Terauds A.Welsford D.Westwood K.Wienecke B.Wotherspoon S.Ziegler P.
Category 2: International meeting papers

Antarctic krill are a fundamental component of Southern Ocean ecosystems and perturbations to krill populations have ramifications for the entire ecosystem. Krill are fished across the Southern Ocean and sustainable management of this fishery is a high priority for the Australian Government.

Proposed workshop on integrating climate change and ecosystem interactions into CCAMLR science CCAMLR Working Group on Ecosystem Monitoring and Management, Virtual Meeting 4 to 11 July 2022, 2022 (Ref: 17011)
Authors:
Cavanagh R.Collins M.Darby C.Dahlgren T.Eléaume M.Hill S.Hollyman P.Kawaguchi S.Krafft B.Pardo E.Pinkerton M.Trathan P.Van de Putte A.Walker N.Watters G.Ziegler P.
Category 2: International meeting papers

Evaluating the effects of climate change on Southern Ocean marine living resources is a priority topic for CCAMLR and was identified by the 2022 Scientific Committee Symposium as a key area of research. Acknowledging the need to better coordinate…

Review of progress in the implementation of the recommendations identified at the Joint CEP/SC-CAMLR Workshop on Climate Change and Monitoring (2016) ATCM XLIV - CEP XXIV Berlin, Germany 23 May - 2 June 2022, Delegation of Argentina, Australia, France and the United States (only AAD authors listed), 2022 (Ref: 16984)
Authors:
McIvor E.Weragoda L.Ziegler P.Welsford D.
Category 2: International meeting papers

This paper presents the results of a review of progress in the implementation of the recommendations identified in the Report of the Joint CEP/SC-CAMLR Workshop on Climate Change and Monitoring (2016). This review was undertaken during the 2021-22 intersessional period by Argentina, Australia…

Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Patagonian toothfish (Dissostichus eleginoides) in Statistical Division 58.5.2 Working Group on Fish Stock Assessment, Hobart, Australia 7-18 October 2019, 2019 (Ref: 16976)
Authors:
Ziegler P.Lamb T.Wotherspoon S.Dell J.
Category 2: International meeting papers

Minimising seabird interactions with longline operations is a key objective of the management of fisheries in CCAMLR (see e.g. Conservation Measure CM 25-02 and 41-08). Longline fishing in the fishery for Patagonian toothfish (Dissostichus eleginoides) in Statistical Division 58.5.

Catch removals due to killer and sperm whale interactions across sub-Antarctic fisheries Working Group on Fish Stock Assessment, Hobart, Australia 7-18 October 2019, 2019 (Ref: 16975)
Authors:
Tixier P.Burch P.Massiot-Granier F.Ziegler P.Welsford D.Lea M-A. Hindell M.A.Guinet C.Wotherspoon S.Gasco N.Péron C.Duhamel G.Arangio R.Tascheri R.Somhlaba S.Arnould J.P.Y.
Category 2: International meeting papers

Fisheries are human activities that alter resource availability for species in marine ecosystems. While fisheries remove fish biomass, they may also provide new feeding opportunities to various marine predators. These species, depredating on catches directly on the fishing gear…

Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22 Working Group on Fish Stock Assessment, Hobart, Australia 7-18 October 2019, Delegations of Australia, France, Japan, Republic of Korea and Spain (only AAD authors listed), 2019 (Ref: 16974)
Authors:
Ziegler P.
Category 2: International meeting papers

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.

2019 update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Divisions 58.4.1 and 58.4.2 Working Group on Fish Stock Assessment, Hobart, Australia 7-18 October 2019, Delegations of Australia, Republic of Korea and Spain (only AAD authors listed), 2019 (Ref: 16973)
Authors:
Ziegler P.
Category 2: International meeting papers

Spanish and Australian scientists are working on the age and growth estimates of Antarctic toothfish within divisions 58.4.1 and 58.4.2 from 2015 and 2017 respectively. During 2019, Korean scientists have joined this colaborative work.

Stock connectivity of Antarctic toothfish Fisheries Research and Development Corporation Final Report Project No 2017-021 2019, 2019 (Ref: 16971)
Authors:
Maschette D.Wotherspoon S.Polanowski A.Deagle B.Welsford D.Ziegler P.
Category 6: Report

To manage a fishery effectively, it is crucial to understand the spatial stock structure of the target species, and how fishing mortality is distributed across the stock. This study investigates the genetic stock structure of Antarctic toothfish (Dissostichus mawsoni)…

Stock connectivity of Antarctic toothfish CCAMLR Working Group on Fish Stock Assessment, Hobart, Australia 7-18 October 2019, 2019 (Ref: 16970)
Authors:
Maschette D.Wotherspoon S.Polanowski A.Deagle B.Welsford D.Ziegler P.
Category 2: International meeting papers

Publication: 2019. Final Report, FRDC Project 2017/021. Australian Antarctic Division and the Fisheries Research and Development Corporation. Kingston, Australia. ISBN 978-1-876934-33-0. For this study, Antarctic toothfish samples were collected from CCAMLR Subareas 48.2, 48.4, 48.6, 88.1, 88.

Draft integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2 CCAMLR Working Group on Fish Stock Assessment, Hobart, Australia 7-18 October 2019, 2019 (Ref: 16969)
Authors:
Ziegler P.
Category 2: International meeting papers

This paper presents an updated assessment for the Patagonian toothfish (Dissostichus eleginoides) fishery at Heard Island and McDonald Islands (HIMI) in CCAMLR Division 58.5.2 with catch until the end of 2019 and observations until the end of 2018.

Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2019 CCAMLR Working Group on Fish Stock Assessment, Hobart, Australia 7-18 October 2019, 2019 (Ref: 16967)
Authors:
Nowara G.B.Lamb T.D.Ziegler P.
Category 2: International meeting papers

During late March to early April 2019, 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 150 stations. The survey was conducted on the FV Atlas Cove.

Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22 CCAMLR Working Group on Statistics, Assessments and Modelling, Concarneau, France, 17-21 June 2019, Delegation of Australia (only AAD authors listed), 2019 (Ref: 16966)
Authors:
Ziegler P.
Category 2: International meeting papers

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.

Report on joint exploratory fishing in Divisions 58.4.1 and 58.4.2 between the 2011/12 and 2018/19 fishing seasons CCAMLR Working Group on Statistics, Assessments and Modelling, Concarneau, France, 17-21 June 2019, Delegation of Australia (only AAD authors listed), 2019 (Ref: 16965)
Authors:
Ziegler P.
Category 2: International meeting papers

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, and precautionary management arrangements are in place as set out in Conservation Measures 41-11 and 41-05.

Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery CCAMLR Working Group on Statistics, Assessments and Modelling, Concarneau, France, 17-21 June 2019, 2019 (Ref: 16964)
Authors:
Maschette D.Wotherspoon S.Ziegler P.
Category 2: International meeting papers

Catch rates or catch per unit of effort (CPUE) are used for data-poor exploratory fisheries without integrated assessments in the CPUE by seabed area method to estimate stock biomass in the interim of collecting sufficient tag recaptures. Here, we address the two questions: (1)…

Planned updates for the integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2 CCAMLR Working Group on Statistics, Assessments and Modelling, Concarneau, France, 17-21 June 2019, 2019 (Ref: 16963)
Authors:
Ziegler P.Dell J.
Category 2: International meeting papers

This paper describes some of the planned updates to the 2019 integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2. These updates will include, inter alia…

Report on fish by-catch in the exploratory toothfish fishery in Divisions 58.4.1 and 58.4.2 between 2014 and 2020 CCAMLR Thirty-ninth Meeting of the Scientific Committee, Online, 22 - 26 October 2020, Delegation of France and Australia (only AAD authors listed), 2020 (Ref: 16962)
Authors:
Ziegler P.
Category 2: International meeting papers

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.

Preliminary integrated stock assessment for the Antarctic toothfish (Dissostichus mawsoni) fishery in Divisions 58.41 and 58.4.2 CCAMLR Thirty-ninth Meeting of the Scientific Committee, Online, 22 - 26 October 2020, Delegation of Australia (only AAD authors listed), 2020 (Ref: 16961)
Authors:
Ziegler P.
Category 2: International meeting papers

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.

Report on exploratory fishing in Divisions 58.4.1 and 58.4.2 between the 2011/12 and 2019/20 fishing seasons CCAMLR Thirty-ninth Meeting of the Scientific Committee, Online, 22 - 26 October 2020, Delegation of Australia (only AAD authors listed), 2020 (Ref: 16960)
Authors:
Ziegler P.
Category 2: International meeting papers

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…

Update on the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2 CCAMLR Thirty-ninth Meeting of the Scientific Committee, Online, 22 - 26 October 2020, Delegation of Australia (only AAD authors listed), 2020 (Ref: 16959)
Authors:
Ziegler P.
Category 2: International meeting papers

WG-FSA-19 recommended an update on stock parameters, including recruitment indices from the trawl survey…

Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2020 CCAMLR Thirty-ninth Meeting of the Scientific Committee, Online, 22 - 26 October 2020, Delegation of Australia (only AAD authors listed), 2020 (Ref: 16958)
Authors:
Ziegler P.
Category 2: International meeting papers

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.

Generalised R Yield Model (Grym) CCAMLR Thirty-ninth Meeting of the Scientific Committee, Online, 22 - 26 October 2020, 2020 (Ref: 16957)
Authors:
Maschette D.Wotherspoon S.Pavez C.Ziegler P.Thanassekos S.Reid K.Kawaguchi S.Welsford D.Constable A.
Category 2: International meeting papers

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Continuing research in the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22; Research plan under CM 21-02, paragraph 6(iii) CCAMLR Thirty-ninth Meeting of the Scientific Committee, Online, 22 - 26 October 2020, Delegation of Australia, France, Japan, Republic of Korea and Spain (only AAD authors listed), 2020 (Ref: 16956)
Authors:
Ziegler P.
Category 2: International meeting papers

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.

Assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2 based on results from the 2020 random stratified trawl survey CCAMLR Thirty-ninth Meeting of the Scientific Committee, Online, 22 - 26 October 2020, Delegation of Australia (only AAD authors listed), 2020 (Ref: 16955)
Authors:
Ziegler P.
Category 2: International meeting papers

The annual random stratified trawl survey was undertaken in Division 58.5.2 in the vicinity of Heard Island and McDonald Islands during April 2020. Based on data from this survey, this paper provides an assessment of mackerel icefish (Champsocephalus gunnari) population structure…

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