Report of the Fourteenth Meeting of the Scientific Committee
Total Page:16
File Type:pdf, Size:1020Kb
SC-CAMLR-XIV SCIENTIFIC COMMITTEE FOR THE CONSERVATION OF ANTARCTIC MARINE LIVING RESOURCES REPORT OF THE FOURTEENTH MEETING OF THE SCIENTIFIC COMMITTEE HOBART, AUSTRALIA 23 - 27 OCTOBER, 1995 CCAMLR 25 Old Wharf Hobart Tasmania 7000 AUSTRALIA ______________________ Telephone: 61 02 310366 Facsimile: 61 02 232714 Chairman of the Scientific Committee Telex: AA 57236 November 1995 E-mail: [email protected] _____________________________________________________________________________________ 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 record of the Fourteenth Meeting of the Scientific Committee for the Conservation of Antarctic Marine Living Resources held in Hobart, Australia, from 23 to 27 October 1995. Major topics discussed at this meeting include: the CCAMLR ecosystem monitoring program, krill, fish, crab and squid resources, marine mammal and bird populations, assessment of incidental mortality, ecosystem monitoring and management, and management under conditions of uncertainty. 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. TABLE OF CONTENTS OPENING OF THE MEETING Adoption of the Agenda Report of the Chairman FISHERY STATUS AND TRENDS Krill Fish Crabs Squid DEPENDENT SPECIES Species Monitored in the CCAMLR Ecosystem Monitoring Program Scope of CEMP Activities Methods Data Analysis Proposals for CEMP Site Protection Advice to the Commission Assessment of Incidental Mortality Incidental Mortality in Longline Fisheries Incidental Mortality in Trawl Fisheries Marine Debris Advice to the Commission Marine Mammal and Bird Populations Status of Marine Mammal Populations Status of Marine Bird Populations HARVESTED SPECIES Krill Methods for Krill Assessment Krill Distribution and Abundance Harvesting Mortality Krill Fisheries in Other Areas Future Euphausiid Symposium Data Requirements Advice to the Commission Fish Resources Data Requirements Endorsed by the Commission in 1994 Fisheries and Observer Information Research Surveys Fish Biology/Demography/Ecology Developments in Assessment Methods Report of the Workshop on Methods for the Assessment of Dissostichus eleginoides (WS-MAD) Assessments and Management Advice Statistical Area 48 (South Atlantic) Dissostichus eleginoides (Subarea 48.3) Management Advice Champsocephalus gunnari (Subarea 48.3) Commercial Catch Management Advice Chaenocephalus aceratus, Gobionotothen gibberifrons, Notothenia rossii, Pseudochaenichthys georgianus, Lepidonotothen squamifrons and Patagonotothen guntheri (Subarea 48.3) - Management Advice Electrona carlsbergi (Subarea 48.3) Management Advice Antarctic Peninsula (Subarea 48.1) and South Orkney Islands (Subarea 48.2) South Sandwich Islands (Subarea 48.4) Statistical Area 58 Notothenia rossii and Lepidonotothen squamifrons (Division 58.5.1) - Management Advice Champsocephalus gunnari (Division 58.5.1) Management Advice Dissostichus eleginoides (Division 58.5.1) Management Advice Ob and Lena Banks (Division 58.4.4) Management Advice Heard and McDonald Islands (Division 58.5.2) Management Advice Pacific Ocean Sector (Area 88) Crab Resources Management Advice Squid Resources ECOSYSTEM MONITORING AND MANAGEMENT Development of a Strategy for Ecosystem Monitoring and Management Review of Current Knowledge on Dependent Species, Harvested Species and the Environment Environment Relationships Between Dependent Species and Other Ecosystem Components Overlap Between Krill Harvesting and Dependent Species Foraging Areas Taking Account of Land-based Predator Populations when Setting Precautionary Limits Other Interactions Preliminary Ecosystem Assessment Interactions with WG-FSA MANAGEMENT UNDER CONDITIONS OF UNCERTAINTY ABOUT STOCK SIZE AND SUSTAINABLE YIELD (ii) SCIENTIFIC RESEARCH EXEMPTION NEW AND EXPLORATORY FISHERIES New Fishery in Divisions 58.4.3 and 58.5.2 Advice to the Commission New Fishery in Subarea 58.7 CCAMLR SCHEME OF INTERNATIONAL SCIENTIFIC OBSERVATION Scientific Observation in the 1995 Season Revision of the Scientific Observers Manual CCAMLR DATA MANAGEMENT Interaction with Other Organisations World Wide Web Data Management Workload Ukrainian Historical Data COOPERATION WITH OTHER ORGANISATIONS IUCN FAO SCAR SCOR IWC CWP (Coordinated Working Party on Fishery Statistics) NAFO and ICES Future Cooperation Proposals for ASMAS and ASPAS Submitted for Consideration by Antarctic Treaty Consultative Parties PUBLICATIONS ACTIVITIES OF THE SCIENTIFIC COMMITTEE IN THE INTERSESSIONAL PERIOD BUDGET FOR 1996 AND FORECAST BUDGET FOR 1997 ADVICE TO SCOI AND SCAF ELECTION OF VICE-CHAIRMEN OF THE SCIENTIFIC COMMITTEE NEXT MEETING OTHER BUSINESS ADOPTION OF THE REPORT CLOSE OF THE MEETING (iii) ANNEX 1: List of Participants ANNEX 2: List of Documents ANNEX 3: Agenda for the Fourteenth Meeting of the Scientific Committee ANNEX 4: Report of the Working Group on Ecosystem Monitoring and Management ANNEX 5: Report of the Working Group on Fish Stock Assessment ANNEX 6: Scientific Committee Budget for 1996 and Forecast Budget for 1997 (iv) REPORT OF THE FOURTEENTH MEETING OF THE SCIENTIFIC COMMITTEE (Hobart, Australia, 23 to 27 October 1995) OPENING OF THE MEETING 1.1 The Scientific Committee for the Conservation of Antarctic Marine Living Resources met under the Chairmanship of Dr K.-H. Kock (Germany) from 23 to 27 October 1995 at the Wrest Point Hotel, Hobart, Australia. 1.2 Representatives from the following Members attended the meeting: Argentina, Australia, Belgium, Brazil, Chile, European Economic Community, France, Germany, India, Italy, Japan, Republic of Korea, New Zealand, Norway, Poland, Russian Federation, South Africa, Spain, Sweden, Ukraine, United Kingdom of Great Britain and Northern Ireland and United States of America. 1.3 The Chairman noted that Ukraine had become a full Member of the Commission since the last meeting. 1.4 The Chairman welcomed to the meeting observers from the Netherlands, Uruguay, the Antarctic and Southern Ocean Coalition (ASOC), the Food and Agriculture Organization of the United Nations (FAO), the World Conservation Union (IUCN), the International Whaling Commission (IWC), the Scientific Committee on Antarctic Research (SCAR) and the Scientific Committee on Oceanographic Research (SCOR) and encouraged them to participate in the meeting as appropriate. 1.5 A List of Participants is given in Annex 1. A List of Documents considered during the meeting is given in Annex 2. 1.6 The following rapporteurs were appointed to prepare the report of the Scientific Committee: • Mr T. Ichii (Japan), Fishery Status and Trends; • Dr I. Everson (UK), Species Monitored in the CCAMLR Ecosystem Monitoring Program; • Dr J. Croxall (UK), Assessment of Incidental Mortality and Squid Resources; • Dr B. Fernholm (Sweden), Marine Mammal and Bird Populations; • Dr D. Miller (South Africa), Krill Resources; • Mr R. Williams (Australia), Fish Resources; • Dr G. Watters (USA), Crab Resources; • Dr G. Kirkwood (UK), Ecosystem Monitoring and Management; • Dr W. de la Mare (Australia), Management under Conditions of Uncertainty about Stock Size and Sustainable Yield; and • Dr D. Agnew (Secretariat), all other matters. Adoption of the Agenda 1.7 The Provisional Agenda had been circulated prior to the meeting and was adopted without amendment (Annex 3). Report of the Chairman 1.8 The Chairman noted that Members had continued their work during the intersessional period with several meetings taking place. The Chairman expressed his gratitude to Italy for hosting the meeting of the Working Group on Ecosystem Monitoring and Management (WG-EMM). 1.9 The inaugural meeting of WG-EMM took place from 24 July to 3 August 1995 in Siena, Italy, and was chaired by its Convener, Dr Everson. Two ad hoc subgroups associated with this Working Group also met during the intersessional period: (i) an ad hoc subgroup on CEMP statistics met in Cambridge, UK, on 16 January 1995 under the convenership of Dr Agnew; and (ii) an ad hoc subgroup, which has been working towards coordination of research in the Antarctic Peninsula, met in Hamburg, Germany, from 17 to 21 July 1995 under the co-convenership of Drs S. Kim (Republic of Korea), V. Siegel (EEC), M. Naganobu (Japan) and R. Hewitt (USA), for a workshop entitled ‘Temporal Changes in Marine Environments in the Antarctic Peninsula’. 1.10 The Working Group on Fish Stock Assessment (WG-FSA) met in Hobart, Australia, from 10 to 18 October 1995, and was chaired by its Convener, Dr de la Mare. 1.11 A Workshop on Methods for the Assessment of Dissostichus eleginoides (WS-MAD), also chaired by Dr de la Mare, was held prior to the meeting of WG-FSA in Hobart, from 5 to 9 October 1995. 2 1.12 There was no meeting of the ad hoc Working Group on Incidental Mortality Arising from Longline Fishing (WG-IMALF). A coordinating group, led by the Convener of the Working Group, Prof. C. Moreno (Chile), conducted its work by correspondence. The Chairman thanked Prof. Moreno for his efforts during the year. Work on incidental mortality was incorporated into the assessments of WG-FSA. 1.13 The Chairman expressed his thanks to Conveners, Members, Rapporteurs and the Secretariat for contributing to the success of these meetings. 1.14 The report of WG-EMM is attached as Annex 4 and that of WG-FSA as Annex 5. The