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1. Modelling the dynamics of krill populations in the Antarctic Peninsula region

   Abstract:  The current long-term estimates of mean recruitment rates suggest that the population ... estimates of recruitment to the population can be used to model in detail interannual variation in the ... population dynamics of krill and estimate the expected mortality rates. A number of models of the population ... dynamics of krill are used to assess to what extent they can explain the observed changes in the density of ...

   Meeting Document : WG-EMM-99/56 : Author(s): E.J. Murphy (United Kingdom), A. Constable (Australia) and D. Agnew (United Kingdom)

2. THE POWER OF ECOSYSTEM MONITORING

   ecosystem monitoring programme, the utility of which depends upon its ability (measured by the statistical ... monitoring programme of the predators of Antarctic krill Euphausia superba at South Georgia together with a ... power to detect the effects of different levels of fishing was examined. 3. The power to detect the ... effects of fishing using either the krill population or a combined predator response index was low (20–40 ...

   Meeting Document : WG-EMM-08/P11 : Author(s): K. Reid, J.P. Croxall and E.J. Murphy

3. Variations in the diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia (Antarctic)

   Abstract:  The diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari ... ) around Shag Rocks and the mainland of South Georgia was analyzed from c. 8,700 stomachs collected in ... Thysanoessa species. The proportion of krill and Themisto in the diet varied considerably between the three ... seasons, whereas the proportion of mysids in the diet remained fairly constant. Krill which has a high ...

   Meeting Document : WG-FSA-93/24 : Author(s): K.-H. Kock and S. Wilhelms (Germany), I. Everson (United Kingdom) and J. Gröger (Germany)

4. The effects of CEMP monitoring procedures on Adelie penguin colonies

   Abstract:  The effects of flipper bands, implanted tags/gastric lavage and external instrument ... attachment on the performance of Adelie penguins were investigated over three seasons at Bechervaise Island ... , Mac. Robertson Land, Antarctica. The return rates of birds carrying bands and/or implanted electronic ... transponders were compared to investigate the contribution of bands to bird mortality and to determine rates of ...

   Meeting Document : WG-CEMP-93/19 : Author(s): J. Clarke, K. Kerry (Australia)

5. Biological characteristics of Antarctic fish stocks in the Southern Scotia Arc region

   Abstract:  Commercial exploitation of finfish in the southern Scotia Arc took place from 1977/78 ... to 1989/90, with its heydays from 1977/78 to 1981/82. Except for Elephant Island, the state of fish ... stocks of the southern Scotia Arc region has found little attention until 1998 despite substantial ... catches in the first four years of the fishery and the possibility to sample these catches extensively ...

   Meeting Document : WG-FSA-99/16 : Author(s): K.-H. Kock (Germany), C. Jones (USA) and S. Wilhelms (Germany)

6. Influence of krill availability on humpback whale breeding success

   Abstract:  The abundance of the Antarctic krill (Euphausia superba) has been declining in the ... western Antarctic Peninsula (WAP), probably as a consequence of the effects of the considerable increase ... survival) of the krill consumers may be compromised. In the present study, we investigated the reproductive ... success of humpback whales (Megaptera novaeangliae) from Breeding Stock G in relation to krill density ...

   Meeting Document : WG-EMM-18/P15 : Author(s): E. Seyboth, F. Félix, M.-A. Lea, L. Dalla Rosa, G. Watters, K. Reid and E. Secchi

7. Reports on biological information of toothfish with special reference to bycatch, depredation and spawning dynamics in Division 58.4.4 a & b by Shinsei maru No. 3 during 2008–14 seasons

   weight and number, accounting for 93% and 76% of the total catch, respectively, among total of 16 species ... method and grenadier bycatch method by Gasco et al. (2014) using two size levels of unit cell, and ... SSRU 58.4.4bC. The depredation rate in weight of whales toward toothfish was estimated to be only 3.8 ... -4.8 % in SSRU 58.4.4bC during 2008-12 using the CPUE method, while the presence/absence of whales was ...

   Meeting Document : WG-FSA-15/21 : Author(s): K. Taki and T. Ichii (Japan)

8. Report of a domestic workshop to identify U.S. stakeholders’ objectives and protection priorities for one or more marine protected areas in Planning Domain 1

   Abstract:  The United States has substantive interests within the boundaries of Planning Domain 1 ... domestic workshop to develop background information relevant to the establishment of one or more marine ... protected areas (MPAs) therein.  Key products from the workshop include a list of the types of specific ... objectives that U.S. stakeholders have for MPAs in Domain 1, a map of the areas that U.S. stakeholders ...

   Meeting Document : WG-EMM-15/34 : Author(s): G. Watters (USA)

9. Long term variability in the diet and reproductive performance of penguins at Bird Island, South Georgia

   present in 89 % of samples and were the main prey (> 50 % by mass) in 10 years of the study. Antarctic ... krill Euphausia superba were present in 85 % of all diet samples. Fish were present in 79 % of samples ... frequently recorded species, in 51 % and 33 % of samples respectively. The energy or mass of krill in the ... diet was the most reliable predictor of breeding success (the number of chicks fledged per breeding ...

   Meeting Document : WG-EMM-17/P02 : Author(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan

10. Distribution, demography and discard mortality of crabs caught as by-catch in an experimental pot fishery for toothfish in the South Atlantic

    South Georgia of a method of fishing for toothfish (Dissostichus eleginoides) using pots. A significant ... bycatch of lithodid crabs (three species of Paralomis spp.) was encountered. Paralomis spinosissima ... were also noted in depth distribution of the sexes and the size of crabs. Depth, soak time and area ... were found to significantly influence crab catch rates. Very few crabs (3% of P. spinosissima and 7% of ...

    Meeting Document : WG-FSA-01/32 : Author(s): M.G. Purves (South Africa), D.J. Agnew, G. Moreno, C. Yau and G. Pilling (United Kingdom)

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