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1. Krill distribution and biomass variability within Subarea 48.3 in June 1991

   less than 1 tonne. Average statistical parameters of swarms in the polygon varied insignificantly from ... tonnes. Krill distribution variability revealed in the polygon suggests an irregular import and export of ... krill from the polygon due to transport by the current. Additionally, in the upper layer of 0 to 50 m ... occurred in the layer of 50 to 150 m. Estimated velocity of krill swarm displacement corresponded to the ...

   Meeting Document : WG-KRILL-93/35 : Автор(ы): S.M. Kasatkina, E.N. Tymokhin, P.P. Fedulov and K.E. Shulgovskiy (Russia)

2. Interactions between longline vessels and seabirds in Kerguelen waters and a method to reduce seabird mortality

   developped in the vicinity of South Georgia and Kerguelen islands, two internationally important breeding ... Abstract:  In recent years, a new longline fishery for the fish Dissostichus eleginoides has ... areas for procellariiform birds. Attractiveness of this fishery for seabirds, together with the ... activity in Kerguelen waters in February 1994. Between 100 and 600 seabirds were always observed behind the ...

   Meeting Document : WG-IMALF-94/12 : Автор(ы): Yves Cherel, Henri Weimerskirch and Guy Duhamel (France)

3. Foraging trip duration in male and female macaroni penguins at Bouvetøya

   -transmitters in the middle of the brooding period (chick age 12-18 days) and 17 females instrumented at the ... attendance periods in the colony where shorter (average 11.9 h) than those of males (average 21.4 h), and ... Abstract:  The CEMP Standard Methods for monitoring foraging trip duration in Macaroni Penguins ... recommend using only males. However, males attend the chicks at the nest during most of the brooding period ...

   Meeting Document : WG-EMM-98/28 : Автор(ы): F. Mehlum, K. Isaksen and V. Bakken (Norway)

4. Proposal for an experimental crab fishery in Subarea 48.3

   beginning of the second fishing season and is a series of three depletion experiments conducted in local ... second fishing season. Phase 3 commences just prior to the close of the second fishing season. In this ... years/fishing seasons. Phase 1 occurs at the start of the first fishing season and is a "survey ... areas. After Phase 2 normal fishing operations are conducted until CCAMLR initiates closure of the ...

   Meeting Document : WG-FSA-93/22 : Автор(ы): George Watters (USA)

5. Antarctic sea ice losses drive gains in benthic carbon drawdown

   Peninsula in the last few years has exposed new open water, allowing large blooms of phytoplankton to ... Abstract:  Loss of sea-ice, ice shelves and retreat of coastal glaciers around the Antarctic ... flourish in the newly exposed coastal areas. This new productivity has important consequences as the ... phytoplankton die and sink to the sea-bed where the carbon is sequestered for thousands of years. This carbon ...

   Meeting Document : SC-CAMLR-XXXIV/BG/34 : Автор(ы): Delegation of the United Kingdom

6. Krill biomass and distribution in Subarea 48.2 during summer 1996

   Abstract:  The results of hydroacoustic survey of krill biomass assessment in Subarea 48.2 ... , hydrorological conditions during surveys are also discussed in the paper. Average weighed density of krill in the ... survey area, obtained in the basis of average weighted density in the day-time and night hauls, is ... hauls. We consider, that krill biomass, estimated on the basis of average weighed krill density in the ...

   Meeting Document : WG-EMM-97/49 : Автор(ы): Kasatkina, S.M., Abramov, A.M., Polischuk, M.I., Sushin, V.A.

7. LENGTH-BASED ASSESSMENT FOR MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) IN SUB-AREA 48.3

   accurate identification of age cohorts from the survey data. In this paper we describe a length‐based ... the survey data which, in conjunction with the bootstrapped survey biomass data, yields an estimate of ... ) in sub‐area 48.3 employs the CMIX and GYM packages, which derives population numbers‐at‐age and ... approach that removes the problem of cohort determination. A stratified bootstrap technique (consistent ...

   Meeting Document : WG-FSA-09/27 : Автор(ы): R.M. Hillary (Australia), C.T.T. Edwards, R.E. Mitchel and D.J. Agnew (United Kingdom)

8. Uncertainty in echosounder calibrations

   Abstract:  Calibration of echo sounders for fish stock assessment are commonly performed using the ... standard sphere method (Johannesson and Mitson, 1983; Simmonds et al., 1984). To determine the accuracy of ... the method, direct measurements of target strength (TS) were made of three standard spheres (Copper ... (Cu)- 23.0 mm and tungsten carbide (WC)- 33.0 mm and 38.1 mm). At the best case range of 5 m, the TS ...

   Meeting Document : WG-EMM-96/40 : Автор(ы): Soule, M.A., Demer, D.A.

9. Total mercury and methylmercury concentrations in Antarctic toothfish (Dissostichus mawsoni): Health risk assessment

   Abstract:  In the present study, the concentrations of total mercury in different organs of the ... concentrations of 0.165 ± 0.095 mg/kg (0.023–0.454 mg/kg) in the Antarctic toothfish. In fish muscle ... , methylmercury accounted for approximately 40% of the total mercury. In a comparison analysis, muscle and liver ... Division 58.4.1 off the coast of Antarctica were determined. The results revealed total mercury ...

   Meeting Document : WG-FSA-17/P02 : Автор(ы): M. Yoon, M.-R. Jo, K.-T. Son, W.-S. Choi, S. I. Kang, S.-G. Choi, J. H. Lee and T. S. Lee

10. Principles for evaluating data collection plans in data-poor exploratory fisheries

    in accordance with the principles set forth in Article II of the Convention. However, several times ... over the last five years the Scientific Committee has noted with concern the lack of progress in ... of fishing increases the risk of over-exploitation of fish stocks. In this paper we articulate a set ... of principles to assist the Scientific Committee with developing a framework for research in data ...

    Meeting Document : WG-SAM-11/08 : Автор(ы): P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia)

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