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1. Results from the 2019 annual acoustic krill monitoring off the South Orkney Islands

   Abstract:  In 2019, the annual IMR regional krill monitoring survey off the South Orkneys ... was conducted by RV Kronprins Haakon as part of the Scotia Sea large scale krill monitoring effort. To allow ... surveys from 2011 to 2018. The distribution was similar to previous years with most krill along the shelf ... edge north of the Islands. Also the krill areal density measured on the 120 kHz of 69.87 g/m 2 was very ...

   Meeting Document : WG-EMM-2019/69 : Author(s): G. Skaret, B.A. Krafft, G. Macaulay, T. Knutsen and O.A. Bergstad

2. At-sea distribution and diet of an endangered top predator: links of white-chinned petrels with commercial longline fisheries

   confined in Antarctic waters. Commercial longline fisheries targeting toothfish were operating in both ... Resources areas during the study. We analysed concurrent data on the position of both birds and vessels ... % of birds in the vicinity of vessels). This result was confirmed by the relatively low occurrence of fishery ... fisheries Approval:  Approved ...

   Meeting Document : WG-FSA-10/P01 : Author(s): K. Delord, C. Cotté, C. Péron, C. Marteau, P. Pruvost, N. Gasco, G. Duhamel, Y. Cherel and H. Weimerskirch

3. Characteristics of water flows in areas for Antarctic krill concentrations near the South Shetland Islands

   Abstract:  Water flows in harvestable areas for Antarctic krill (Euphausia superba ... ) on the continental slope and shelf of the South Shetland Islands were examined based on drifting buoy data ... in those on the slope. Large-scale movements of the buoys suggest krill flux from the South Shetlands ... flows in areas for Antarctic krill concentrations near the South Shetland Islands Approval:  Approved ...

   Meeting Document : WG-EMM-95/49 : Author(s): Naganobu, M., Ichii, T.

4. On the problem of icefish (Champsocephalus gunnari) (Channichthyidae) and krill (Euphausia superba) interaction in the South Georgia area

   and the data of the national fishery. It is demonstrated that?.gunnari both at the early development stages ... Abstract:  The interaction of icefish and krill in the South Georgia area has been analysed ... and as adults utilize the pelagic forage resource, the bulk of which is constituted by krill. At the same time ... krill content in the food of different length groups varied. The effect of krill on icefish growth ...

   Meeting Document : WG-FSA-04/41 : Author(s): S.M. Kasatkina and Zh.A. Frolkina (Russia)

5. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRU 88.2E for the years 2002–03 to 2010–11

   -at-age and tag-recapture data from selected trips and all vessel trips. The 2011 reference case model ... assessment. Model fits to the data were adequate, with the tag-release and recapture data providing the most ... information on stock size, although there were conflicts between information in the recapture data from ... it is geographically separated from the Ross Sea fishery and little fishing had been carried out in the other parts ...

   Meeting Document : WG-FSA-11/44 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

6. Characteristics of interannual variation in aggregation and diurnal vertical migration of Antarctic krill at South Georgia during winter

   Georgia during winter based on Japanese krill fishery data during the period 1990-2012. High density ... during winter based on Japanese krill fishery data during the period 1990-2012. High density ... index and diurnal vertical distribution for Antarctic krill in krill fishing grounds (hotspots) at South ... are as follows: Median CPUEs did not show particularly low values in winter even when krill abundance ...

   Meeting Document : WG-EMM-18/34 : Author(s): T. Ichii, Y. Mori, P.N. Trathan, K. Mahapatra, M. Okazaki, T. Hayashi and T. Okuda

7. Changes in the diet of the South Georgia shag Phalacrocorax georgianus at the South Orkney Islands along four consecutive years

   analysis methods and to shags-related and/or fisheries-related changes in the food availability. If assumed ... that the fisheries carried out in the area affected the structure and abundance of the fish populations ... , the comparison of our results with historical data may be indicating a recovery of G. gibberifrons in inshore ... and to shags-related and/or fisheries-related changes in the food availability. If assumed that the fisheries ...

   Meeting Document : WG-EMM-00/8 : Author(s): R. Casaux and A. Ramón (Argentina)

8. Recommendations on estimating krill escape mortality during fishing operations: the problems and approaches

   Abstract:  The task to estimate the escape mortality of krill during the fishing operation ... assigned by Scientific Committee requires assessment of the total krill passed through the rope and netting ... parts of trawl and krill amount appeared unviable in the process of escapement. The recommendations ... ». Estimation of the total amount of krill escaped from the rope and netting parts of the trawl is proposed ...

   Meeting Document : WG-SAM-10/06 : Author(s): V.K. Korotkov and S.M. Kasatkina (Russia)

9. A study on calibration for commercial echosounder using bottom backscattering strength in Antarctic

   Abstract:  In this study, we calibrated a commercial echosounder (ES70) installed on a krill ... fishing vessel to use it in estimating biomass of Antarctic krill (Euphausia superba). The method ... . 38kHz and 120kHz were used for the calibration, and krill swarm signals, obtained from multi frequencies ... by bottom backscattering strength, since the proportion of krill swarm signals within 2 dB < S V120kHz ...

   Meeting Document : SG-ASAM-17/P01 : Author(s): S.-G. Choi, H. Lee, K. Lee and J. Lee

10. Developing high-resolution hydrodynamic models of the shelf regions around South Georgia and the South Orkney Islands

    of krill and fish around the islands, their interactions with predators and availability to fisheries ... on the distribution of krill and fish around the islands, their interactions with predators and availability ... to fisheries.  Such detailed analyses will help inform WG-EMM activities aimed at developing spatial ...

    Meeting Document : WG-EMM-14/08 : Author(s): E.J. Murphy, E.F. Young, S.E. Thorpe, P.N. Trathan (United Kingdom) and O.R. Godø (Norway)

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