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Report of the Nineteenth Meeting of the Scientific Committee

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Report of the Nineteenth Meeting of the Scientific Committee SC-CAMLR-XIX SCIENTIFIC COMMITTEE FOR THE CONSERVATION OF ANTARCTIC MARINE LIVING RESOURCES REPORT OF THE NINETEENTH MEETING OF THE SCIENTIFIC COMMITTEE HOBART, AUSTRALIA 23 – 27 OCTOBER 2000 CCAMLR PO Box 213 North Hobart 7002 Tasmania AUSTRALIA ________________________ Telephone: 61 3 6231 0366 Facsimile: 61 3 6234 9965 Email: [email protected] Chairman of the Scientific Committee Website: www.ccamlr.org November 2000 __________________________________________________________________________________________ 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. 1 Abstract This document presents the adopted report of the Nineteenth Meeting of the Scientific Committee for the Conservation of Antarctic Marine Living Resources held in Hobart, Australia, from 23 to 27 October 2000. Reports of meetings and intersessional activities of subsidiary bodies of the Scientific Committee, including the Working Groups on Ecosystem Monitoring and Management and on Fish Stock Assessment, are appended. CONTENTS Page OPENING OF THE MEETING ................................................................... 1 Adoption of Agenda.............................................................................. 1 Report of the Chairman .......................................................................... 2 Intersessional Activities ...................................................................... 2 Intersessional Activities of CCAMLR Members .......................................... 2 FISHERY STATUS AND TRENDS ............................................................. 2 Krill ................................................................................................ 2 Harvest Levels for the 1999/2000 Season and Intentions for the 2000/01 Season ... 2 Compliance with Data Reporting Requirements........................................... 3 Krill Economics ............................................................................... 3 Conversion Factors........................................................................... 3 Fish Catches (All Species from Licensed Fisheries) ......................................... 4 Reported Catches for Dissostichus spp. ................................................... 4 Estimates of Catch and Effort from IUU Fishing ......................................... 4 Crabs............................................................................................... 5 Squid............................................................................................... 6 CCAMLR SCHEME OF INTERNATIONAL SCIENTIFIC OBSERVATION ............. 6 Advice to the Commission ...................................................................... 8 DEPENDENT SPECIES ........................................................................... 9 Species Monitored under the CCAMLR Ecosystem Monitoring Program (CEMP).................................................... 9 Assessment of Incidental Mortality............................................................. 10 Research into the Status of Seabirds at Risk............................................... 10 Incidental Mortality of Seabirds during Regulated Longline Fishing in the Convention Area in 2000....................................... 11 Compliance with Conservation Measure 29/XVI ......................................... 12 Fishing Seasons............................................................................... 12 Assessment of Incidental Mortality of Seabirds during Unregulated Longline Fishing in the Convention Area ................................. 13 Incidental Mortality of Seabirds in relation to New and Exploratory Fisheries......................................................... 13 Incidental Mortality of Seabirds during Longline Fishing outside the Convention Area .......................................... 14 Research into and Experience with Mitigating Measures................................. 15 Policy Considerations in relation to Mitigating Measures and Conservation Measure 29/XVI ....................................................... 15 International and National Initiatives relating to Incidental Mortality of Seabirds in relation to Longline Fishing ................................... 17 Incidental Mortality of Marine Mammals in Longline Fisheries ......................... 18 Incidental Mortality in Trawl Fisheries ..................................................... 18 Marine Debris ..................................................................................... 18 Loss or Discard of Fishing Gear ............................................................ 20 Marine Debris collected by Vessels at Sea ................................................. 20 Surveys of Marine Debris on Beaches ..................................................... 20 Entanglement of Marine Mammals in Marine Debris ..................................... 21 Marine Debris associated with Seabird Colonies.......................................... 21 Oil Contamination............................................................................. 21 Report to CEP ................................................................................. 21 Fourth International Marine Debris Conference on Derelict Fishing Gear and the Marine Environment ..................................... 22 Marine Mammal and Bird Populations......................................................... 22 HARVESTED SPECIES ........................................................................... 24 Krill ................................................................................................ 24 CCAMLR-2000 Survey...................................................................... 24 Krill Length-frequency Data, Biomass and Distribution from Area 48 ............. 25 Krill Length-frequency Data, Biomass and Distribution from Area 88 ............. 25 Estimates of B0, Potential Yields and Precautionary Catch Limits .................. 25 Subdivision of Precautionary Catch Limits ............................................ 26 Development of the GYM ................................................................ 27 Future Analysis of the CCAMLR-2000 Survey ....................................... 27 Advice to the Commission ................................................................... 27 Fish Resources ................................................................................... 28 Fish and Squid Biology/Demography/Ecology ........................................... 28 Developments in Assessment Methods..................................................... 29 Assessments and Management Advice ..................................................... 29 Assessed Fisheries ........................................................................ 29 Dissostichus spp. ...................................................................... 29 D. eleginoides at South Georgia (Subarea 48.3)................................... 29 Standardisation of CPUE.......................................................... 29 Size at Capture ...................................................................... 29 Determination of Long-term Annual Yield using the GYM ................... 30 Management Advice for D. eleginoides (Subarea 48.3) ....................... 30 D. eleginoides at South Sandwich Islands (Subarea 48.4) ....................... 31 Management Advice for D. eleginoides (Subarea 48.4) ....................... 31 D. eleginoides at Ob and Lena Banks (Division 58.4.4) .......................... 31 D. eleginoides at Kerguelen Islands (Division 58.5.1)............................ 31 Management Advice for D. eleginoides (Division 58.5.1) .................... 32 D. eleginoides at Heard and McDonald Islands (Division 58.5.2)............... 32 Management Advice for D. eleginoides (Division 58.5.2) .................... 32 General Advice on D. eleginoides Assessments ................................... 33 C. gunnari at South Georgia (Subarea 48.3) ....................................... 33 Management Advice for C. gunnari (Subarea 48.3) ........................... 34 C. gunnari at Kerguelen Islands (Division 58.5.1)................................ 34 Management Advice for C. gunnari (Division 58.5.1) ........................ 35 C. gunnari at Heard and McDonald Islands (Division 58.5.2) .................. 35 Management Advice for C. gunnari (Division 58.5.2) ........................ 35 Workshop on Assessment Methods for Icefish (WAMI) ......................... 36 Other Finfish Fisheries ................................................................... 36 Antarctic Peninsula and South Orkney Islands (Subareas 48.1 and 48.2) ........................................................... 36 Management Advice................................................................ 36 Divisions 58.4.1 and 58.4.2 ......................................................... 36 Management Advice................................................................ 37 Pacific Ocean Sector (Subareas 88.2 and 88.3) .................................... 37 Management Advice................................................................ 37 Electrona carlsbergi (Subarea 48.3) ................................................. 37 Management Advice................................................................ 37 General By-catch Provisions............................................................
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