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1. Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea

   the CASAL stock assessment models from the available data. Revised estimates of the rate at which ... rate after some long period at liberty, but there was no evidence of such failure in these data for ... periods of up to six years at liberty. The loss rate for double tags had been incorrectly derived and ... Abstract:  The rate at which tags are lost from tagged toothfish is an important parameter in ...

   Meeting Document : WG-SAM-11/18 : Автор(ы): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)

2. Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector

   analysed were at age 2 to the west of 35°W and 3 yr old specimens, the portion of which made up to 40% in ... fish at age 1+ (to 75%) being noted in separate catches. Essential distinctions in a nature of the ... somewhat higher,with the highest increment being observed at the 1st and 2nd years of life. Limiting age ... become mature at the 3rd year of life at 85-89 mm length. Determined differences of the length–age and ...

   Meeting Document : WG-FSA-90/21 : Автор(ы): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)

3. IMPROVING ESTIMATES OF ADÉLIE PENGUIN BREEDING POPULATION SIZE: DEVELOPING FACTORS TO ADJUST ONE-OFF POPULATION COUNTS FOR AVAILABILITY BIAS

   Abstract:  It is widely recognised that the interpretation of counts of penguin populations at ... the collection of adjustment data. This was recognised at the recent Predator Survey workshop, where ... season at which they are undertaken. While the need to adjust raw penguin count data obtained at varying ... times within a breeding season to minimise bias in estimates of the breeding population has long been ...

   Meeting Document : WG-EMM-09/38 : Автор(ы): C. Southwell, J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery (Australia)

4. Linking acoustic scattering coefficient to krill fishery data: feasibility of estimating krill abundance using fishing survey

   thinner than that at night. At the depth of over 100 m, the average NASC during the daytime is higher than ... ecosystems and supports different levels of predators. It is also an important economic species for Antarctic ... between the acoustic scattering coefficient of krill swarms and catch, catch per unit effort (CPUE), catch ... per unit fishing area (CPUA) were studied for better understanding the feasibility of assessing krill ...

   Meeting Document : WG-EMM-17/44 : Автор(ы): T. Wang, G.P. Zhu, J.F. Tong and L.X. Xu

5. NET-BASED VERIFICATION OF ACOUSTIC TECHNIQUES USED TO IDENTIFY ANTARCTIC KRILL

   at 200 and 120 kHz (Sv200-120). We considered the performance of 4 different acoustic target ... window substantially smaller than the fixed 2-16 window, will at the same time reduce the amount of ... sampled by net we calculated the difference between acoustic backscatter at 120 and 38 kHz (Sv120-38) and ... -38, (iii) ‘2 freq 2-16’- where the Sv120-38 window was fixed at 2-16 dB and (iv) ‘2 freq 2-12’- where ...

   Meeting Document : WG-EMM-08/54 : Автор(ы): J. Watkins and S. Fielding (United Kingdom)

6. REVIEW OF CCAMLR ACTIVITIES ON MONITORING MARINE DEBRIS IN THE CONVENTION AREA

   associated with seabird colonies and animals contaminated with hydrocarbons at a number of sites, primarily ... debris reported from monitoring sites. Relatively large amounts of fishing items have been reported at ... years at any of the sites monitored. Although the amount of beached marine debris reported from Bird ... Abstract:  CCAMLR Members monitor beached debris, entanglement of marine mammals, marine debris ...

   Meeting Document : WG-FSA-08/09 : Автор(ы): Secretariat

7. Review of CCAMLR activities on monitoring marine debris in the Convention Area

   until recently. The number of debris items found has increased in the last season reported at Bird ... the debris associated with seabird colonies. The number of Antarctic fur seal entanglements at Bird ... Abstract:  The current status of national surveys on monitoring of marine debris and their impact ... wood items, reached a peak in the period 1994-1996 at Bird Island and Signy Island, but have declined ...

   Meeting Document : SC-CAMLR-XXIV/BG/13 : Автор(ы): Secretariat

8. Data on reproduction biology of Dissostichus mawsoni from the Ross Sea (Statistical Subarea 88.1)

   maturity at length of 99-102 cm, and males- 102-105 cm. The pattern remained the same when determining 95 ... % of fish with mature gonads. Thus, 95 % of females with mature gonads were noted at length of 120-123 ... cm, and among males- at length of 123-126 cm. In our collections, we noted occurrence of females with ... Abstract:  Macroscopic data of the field research obtained during fishing trips on board Spanish ...

   Meeting Document : WG-FSA-11/04 : Автор(ы): A.K. Zaytsev (Russia)

9. Is toothfish catch correlated with the catch of vulnerable benthic invertebrate taxa?

   benthic invertebrate catch rates at a longline segment level. Analysis of the data available showed no ... evidence that the presence of any of six VME taxa was related to Antarctic toothfish catch at the scale of ... relationship between total VME taxa weight and toothfish catch at the scale of a longline set, up to 10km. Our ... Abstract:  Accurate estimation of the true impact of bottom fishing on vulnerable marine ...

   Meeting Document : WG-EMM-10/27 : Автор(ы): S.J. Parker and M.H. Smith (New Zealand)

10. Review of biological parameters for Ross Sea skates

    (TL). The length at maturity of females is not well determined but is probably in the range 95–100 cm ... TL. Length at maturity of B. cf. eatonii is poorly determined, but is about 90–100 cm TL for males ... Abstract:  Biological parameters were reviewed and updated for the two main species of skates ... . Differences in length-weight relationships among regions raise doubt about the conspecificity of A. georgiana ...

    Meeting Document : WG-FSA-06/31 : Автор(ы): M.P. Francis (New Zealand)

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