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1. An illustrative management procedure for exploring dynamic feedback in krill catch limit allocations among small-scale management units

   subdivision of the precautionary catch limit for krill among 15 small-scale management units (SSMUs) in the ... the static allocation options, to ensure that the likely performances of these MPs in terms of low ... reducing the abundances of predators (and krill) below certain levels, as well as the variability in future ... regularly available in future to monitor the impact/s of different krill catch limits. For illustrative ...

   Meeting Document : WG-EMM-06/28 : Автор(ы): É. Plagányi and D. Butterworth (South Africa)

2. Do krill fisheries compete with macaroni penguins? Spatial overlap in prey consumption and krill catches during winter

   far less than that among the various other species of krill predators that occur in the Scotia Sea ... , the macaroni penguin, and the krill fishery by examining the spatial overlap in prey consumption and ... period as this is the only time of year when spatio-temporal overlaps between macaroni penguin foraging ... and the krill fishery can occur. We tracked adult macaroni penguins from a colony in South Georgia ...

   Meeting Document : WG-EMM-14/02 : Автор(ы): N. Ratcliffe, S.L. Hill, I.J. Staniland, R. Brown, S. Adlard, C. Horswill and P.N. Trathan (United Kingdom)

3. Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations

   production, in the form of a “windfall ratio”. The DCAC is calculated as the sum of catches divided by the ... sum of the number of years in the catch series and this windfall ratio. Input information includes the ... sum of catches and associated number of years, the relative reduction in biomass during that period ... Abstract:  The depletion-corrected average catch (DCAC) formula is an extension of the potential ...

   Meeting Document : WG-SAM-11/P3 : Автор(ы): A.D. McCall

4. Toothfish, skate and longline by-catch survey in Subarea 48.3

   relevance to stock dynamics for all fish species in the area including by-catch species of the longline ... Abstract:  This was the first deep-water trawl survey of the South Georgia Maritime Zone funded by ... the Government of South Georgia and the South Sandwich Islands (GSGSSI) as part of the South Georgia ... information on bycatch species of the longline fishery, particularly grenadiers (Macrourids) and Skates ...

   Meeting Document : WG-FSA-03/15 : Автор(ы): M. Belchier, M. Collins, M. Endicott, I. Everson, S. Hawkins, T. Marlow, T. Mulvey and R. Paterson (United Kingdom)

5. Integrated models for Antarctic krill (Euphausia superba) using survey data from 1981–2014 in Subarea 48.1

   of Antarctic krill in Subarea 48.1 based on different aggregations of the data are described to ... data collected from 1981 to 2014 near the Antarctic Peninsula. Four models of the population dynamics ... illustrate the capabilities of the framework. Survey data collected by Germany (RMT8 net sampling from 1981 ... , and hydroacoustic data arranged in different temporal groupings (annual, summer-winter, monthly). The ...

   Meeting Document : WG-SAM-14/20 : Автор(ы): D. Kinzey, G.M. Watters and C.S. Reiss (USA)

6. Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001

   further analysis of SST maps, provides continuous information on hydrological conditions in the area ... conducting a krill fishery in the area during the entire year. The reliability of these forecasts could be ... in the area. The total catch of krill was 81 369 tonnes in 1989/90 and 123 562 tonnes in 1990/91 ... considerable decrease in mean SST off South Georgia. This observation is especially obvious for the northern ... in waters off South Georgia. Thus, in 1990/91 the mean December–February value of the SST anomaly ... of SST maps, provides continuous information on hydrological conditions in the area. Analyses of ... conducting a krill fi shery in the area during the entire year. The reliability of these forecasts could be ... fi shing activities in the area. The total catch of krill was 81 369 tonnes in 1989/90 and 123 562 ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Автор(ы): Vanyushin, G.P

7. Cruise Report – Research Project: Demersal finfish distribution, abundance, and their biological characteristics in Statistical Subareas 48.1 (northern area) and 48.2

   ). As a result of nearing the maximum research catch specified in Subarea 48.1 (95% of authorized ... proposed stations completed (n=13). In Subarea 48.2, we were unable to complete the planned number of ... contribute to knowledge regarding bathymetry and distribution of the concentrations of fish and krill in the ... marks registered in the echo sounders. One of the mid-water hauls identified a shoal of icefish (33.6 t ...

   Meeting Document : WG-SAM-18/25 : Автор(ы): Delegation of Chile

8. DISTRIBUTION AND BIOLOGY ON ANTARCTIC KING CRAB PARALOMIS FORMOSA CAUGHT AS BYCATCH IN FISHERY FOR TOOTHFISH (DISSOSTICHUS ELEGINOIDES) ON PATAGONIAN CONTINENTAL SLOPE

   exclusive (marine) economic zones of the foreign states (FAO statistical area 41) in the period from ... data on the distribution of crabs in area of toothfish fishery on the Patagonian continental slope were ... Abstract:  Scientific observation was conducted in the commercial trip on the long-liner " ... ;Simeiz", operating under the Ukrainian flag, in the south-western Atlantic Ocean outside the ...

   Meeting Document : WG-FSA-09/30 : Автор(ы): Yu.V. Korzun (Ukraine)

9. Uncertainty in standard sphere calibrations

   Abstract:  In fisheries acoustics, the standard sphere method of echosounder calibration is most ... variations in the system gains of 0.3, 0.2 and 1.5 dB, respectively. Additionally, system gain values ... commonly used (Johannesson and Mitson, 1983; Simmonds et al., 1984). To investigate the uncertainty in the ... method, a series of experiments were conducted in a deep tank (Demer and Hewitt, 1993). Results indicated ...

   Meeting Document : WG-EMM-95/70 : Автор(ы): Demer, D.A., Hewitt, R.P.

10. Physical and behavioural influences on larval fish retention: contrasting patterns in two Antarctic fishes

    retention of the planktonic stages (eggs and larvae) of marine fish can play a key role in the maintenance ... grounds may contribute to the failure of the N. rossii population to recover from its collapse in the ... consistent feature in C. gunnari was a lack of larval exchange between the proximate South Georgia and Shag ... Abstract:  Waters around South Georgia are amongst the most productive in the Southern Ocean, and ...

    Meeting Document : WG-FSA-12/P10 : Автор(ы): E.F. Young, J. Rock, M.P. Meredith, M. Belchier, E.J. Murphy and G.R. Carvalho

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