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1. Catchability of midwater trawls in relation to krill fishery

   estimation of total krill lengths distribution, obtained on the basis of trawl samples from different catched ... total distribution of krill length, obtained using weighting of trawl samples (usually 200 ind.) against ... the catch, may considerably differ (statistically significantly) from that calculated on the basis of ... trawling. The example of trawl samples processing for the study area off Elephant Island is presented ...

   Meeting Document : WG-EMM-98/20 : Автор(ы): S.M. Kasatkina (Russia)

2. 30 years of krill fisheries management – challenges remain

   frequently. The reproduction and survival of krill are significantly affected by sea ice cover. This is of ... concern since key spawning, recruitment and nursery areas of krill are located in the Southwest Atlantic ... sector, an area that has been warming rapidly, resulting in a reduction in the extent and duration of ... establishment of CM 51-07 – distributing the trigger limit among statistical subareas – was a step in the right ...

   Meeting Document : CCAMLR-XXX/BG/19 : Автор(ы): Submitted by ASOC

3. Data from recent trawl surveys in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), reveal an unusual cohort structure in the mackerel icefish (Champsocephalus gunnari) population

   Abstract:  Surveys of mackerel icefish, Champsocephalus gunnari, was undertaken in Division 58.5.2 ... in the vicinity of Heard Island during September 2010 and April 2011, to provide information on the ... population dynamics of this species, and to provide a basis for an assessment of short-term annual yield in ... the 2011/2012 CCAMLR season. This paper provides a preliminary assessment of yield for the area of ...

   Meeting Document : WG-FSA-11/22 : Автор(ы): D.C. Welsford (Australia)

4. Community Structure of copepods in epipelagic layers in the Ross Sea and neighboring waters

   Abstract:  During the 9th research cruise of the R/V Kaiyo-maru, copepod samples were collected ... groups by cluster analysis based on species abundance and composition. Group 1 located in the north of ... the Southern Boundary of the Antarctic Circumpolar Current was characterized by high abundance (157.5 ... -2279.5; mean 610.5 inds. 1000 m-3) and dominance of Rhincalanus gigas (mean 88.4%). Group 2 located off ...

   Meeting Document : WG-EMM-08/36 : Автор(ы): Y. Watanabe, S. Sawamoto, T. Ishimaru and M. Naganobu (Japan)

5. UPDATE ON ITEMS OF INTEREST TO WG-IMAF

   Economic Zone that are relevant to the work of WG-IMAF. These developments include refinement of the ... requirement of fishing practices to reduce seabird bycatch by surface longline vessels and the introduction of ... regulations to reduce seabird bycatch by bottom longline vessels. The bycatch of seabirds by fisheries within ... (Convention seabirds) is detailed. This paper includes a tabulation of observed captures by species and ...

   Meeting Document : WG-FSA-08/47 : Автор(ы): N. Walker (New Zealand)

6. Status of krill target strength

   Abstract:  Empirical estimates for the target strength of krill are extracted from the literature ... . These are confined to measurements on aggregations of live euphausiids, which should avoid a frequent ... cause of bias in single-animal measurements, namely thresholding. Theoretical estimates for the target ... strength are derived from the deformed-cylinder scattering model assuming specific sets of physical and ...

   Meeting Document : WG-KRILL-92/11 : Автор(ы): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)

7. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic peninsula region

   Peninsula from 26 December 1989 to 14 January 1990. Results were compared with data of an identical survey ... exceeded a factor of 35 times, while interannual variability between available surveys reached only a ... factor of 1.6 times. Krill mortality was calculated by linearized catch curve analysis and resulted a ... rate of Z=0.88 (1989/90) and Z=0.96 (1987/88). Production was estimated and resulted a P/B ratio of ...

   Meeting Document : WG-KRILL-91/15 : Автор(ы): Delegation of Germany

8. Potential climate change effects on the habitat of Antarctic krill

   summer foraging sites of many of these predators are concentrated between 0° and 90°W. Parts of this ... sector have experienced recent localised sea surface warming of up to 0.2°C     per decade, and ... projections suggest that further widespread warming of 0.27° to 1.08°C will occur by the late 21st century. We ... assess the influence of projected warming on Antarctic krill habitat quality. The results divide the ...

   Meeting Document : WG-EMM-13/20 : Автор(ы): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)

9. A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2013 random stratified trawl survey

   vicinity of Heard Island during April 2013. This paper provides a preliminary assessment of mackerel ... icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79° 20’ E ... using standard CCAMLR methods. A large cohort of fish, estimated to be 3+, dominates the population in ... both abundance and biomass. Two scenarios for harvest are presented – a typical two year projection of ...

   Meeting Document : WG-FSA-13/23 : Автор(ы): D.C. Welsford (Australia)

10. Committee for Environmental Protection: 2015 Annual Report to the Scientific Committee of CCAMLR

    Abstract:  Cooperation between the Scientific Committee of CCAMLR (SC-CAMLR) and the Committee for ... Environmental Protection (CEP) has been steadily increasing over the last few years to the mutual benefit of ... between the Chairs of the CEP and SC-CAMLR,  the report of the CEP meeting is presented to SC-CAMLR by the ... CEP Observer to SC-CAMLR and the report of the meeting of  SC-CAMLR  is presented to the CEP by the SC ...

    Meeting Document : SC-CAMLR-XXXIV/BG/14 : Автор(ы): CEP Observer to SC-CAMLR (Dr P. Penhale, USA)

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