Report of the Thirty-Sixth Meeting of the Scientific Committee
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SC-CAMLR-XXXVI SCIENTIFIC COMMITTEE FOR THE CONSERVATION OF ANTARCTIC MARINE LIVING RESOURCES REPORT OF THE THIRTY-SIXTH MEETING OF THE SCIENTIFIC COMMITTEE HOBART, AUSTRALIA 16–20 OCTOBER 2017 CCAMLR PO Box 213 North Hobart 7002 Tasmania Australia _______________________ Telephone: 61 3 6210 1111 Facsimile: 61 3 6224 8766 Email: [email protected] Chair of the Scientific Committee Website: www.ccamlr.org November 2017 ________________________________________________________________________________________ This document is produced in the official languages of the Commission: English, French, Russian and Spanish. Copies are available from the CCAMLR Secretariat at the above address. Abstract This document presents the adopted report of the Thirty-sixth Meeting of the Scientific Committee for the Conservation of Antarctic Marine Living Resources held in Hobart, Australia, from 16 to 20 October 2017. Reports of meetings and intersessional activities of subsidiary bodies of the Scientific Committee, including the Working Groups on Statistics, Assessments and Modelling; Ecosystem Monitoring and Management; Fish Stock Assessment; and the Subgroup on Acoustic Survey and Analysis Methods, are appended. 1031-2889 Contents Page Opening of the meeting ...................................................................... 1 Adoption of the agenda .................................................................... 2 Chair’s report ............................................................................... 2 Scientific Committee’s work in the 2016/17 intersessional period ..................... 2 Advances in statistics, assessments, modelling, acoustics and survey methods ...... 3 Statistics, assessments and modelling ..................................................... 3 Acoustic survey and analysis methods .................................................... 3 Harvested species ............................................................................. 5 Krill resources .............................................................................. 5 Krill fishery update...................................................................... 5 Catch reporting for the continuous fishing system ................................... 6 Net monitoring cables .................................................................. 7 Risk assessment for krill ................................................................ 7 Consideration of ‘swarm-based’ approach in acoustic assessments ................ 7 Experimental approach to krill fishing ................................................ 8 Additional approach to feedback management ....................................... 9 ASOC .................................................................................... 9 Fish resources ............................................................................... 10 Assessment of fish resources ........................................................... 10 Champsocephalus gunnari .......................................................... 10 C. gunnari in Subarea 48.3 ...................................................... 10 Management advice ........................................................... 10 C. gunnari at Kerguelen Islands (Division 58.5.1) ............................ 10 C. gunnari at Heard Island (Division 58.5.2) .................................. 11 Management advice ........................................................... 11 Issues common to C. gunnari assessments ..................................... 11 Dissostichus spp. ..................................................................... 11 Dissostichus eleginoides in Subarea 48.3 ...................................... 11 Management advice ........................................................... 12 Dissostichus spp. in Subarea 48.4 ............................................... 12 D. eleginoides in the South Sandwich Islands (Subarea 48.4) ............ 12 Management advice ....................................................... 12 Dissostichus mawsoni in the South Sandwich Islands (Subarea 48.4) .... 12 Management advice ....................................................... 12 D. eleginoides in Division 58.5.1 inside the French EEZ ..................... 12 D. eleginoides in Division 58.5.1 outside the French EEZ.................... 13 Management advice ........................................................... 13 D. eleginoides in Division 58.5.2 ............................................... 13 Management advice ........................................................... 13 D. eleginoides in Subarea 58.6 inside the French EEZ ........................ 14 D. eleginoides in Subarea 58.6 outside the French EEZ ...................... 14 Management advice ........................................................... 14 New and exploratory finfish fisheries ................................................. 14 Research coordination and prioritisation ........................................... 14 Evaluation of research proposals ................................................... 16 Catch limits in research blocks ..................................................... 16 Relationships with other management areas ....................................... 18 Progress towards assessments ...................................................... 18 Area 48 stock hypothesis ........................................................ 18 Research proposals in Area 48 .................................................. 18 Subarea 48.2 ................................................................... 19 Subarea 48.5 ................................................................... 20 Subarea 48.6 ................................................................... 20 Management advice ........................................................... 21 Area 58 ............................................................................ 22 Dissostichus spp. in Divisions 58.4.1 and 58.4.2 ........................... 22 Management advice ....................................................... 23 D. eleginoides in Division 58.4.3a ........................................... 23 Management advice ....................................................... 23 D. eleginoides Division in 58.4.4 ............................................ 23 Management advice ....................................................... 23 Area 88 ............................................................................ 23 Subarea 88.1 and SSRUs 882A–B ........................................... 23 Management advice ....................................................... 25 SSRUs 882C–H ............................................................... 25 Subarea 88.3 ................................................................... 25 Fish and invertebrate by-catch ......................................................... 26 Incidental mortality arising from fishing operations .................................... 27 Incidental mortality of seabirds and marine mammals associated with fisheries...... 27 Marine debris ............................................................................... 28 Spatial management of impacts on the Antarctic ecosystem ........................... 29 Bottom fishing and vulnerable marine ecosystems ...................................... 29 Marine protected areas ..................................................................... 30 Domains 3 and 4 – Weddell Sea ....................................................... 30 South Orkney Islands southern shelf MPA ........................................... 31 Domain 1 ................................................................................. 32 Ross Sea region MPA ................................................................... 36 MPA Special Fund ...................................................................... 39 Advice to the Commission ................................................................. 39 IUU fishing in the Convention Area ....................................................... 39 CCAMLR Scheme of International Scientific Observation ............................ 40 Climate change ................................................................................ 42 Scientific research exemption ............................................................... 45 Chilean survey .............................................................................. 45 Australian survey ........................................................................... 45 (ii) Cooperation with other organisations ..................................................... 45 Cooperation with the Antarctic Treaty System .......................................... 46 CEP ....................................................................................... 46 SCAR .................................................................................... 46 Reports of Observers from other international organisations ........................... 47 SCOR .................................................................................... 47 ARK ...................................................................................... 48 ASOC .................................................................................... 50 FAO ...................................................................................... 50 COLTO .................................................................................. 51 ACAP ...................................................................................