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1. Effect of a shore-based sampling program on Notothenia coriiceps populations

   summers of 1992/93 to 1994/95 at one specific zone (site 1) with those taken in the same last summer at ... in length (TL) of the fish was observed throughout the whole period. The fish from sites 2 (x=32.4 cm ... than those from site 1 caught in the summers of 1994/95 (x=28.8 cm) and 1993/94 (x=30.2 cm), but were ... similar in size to those sampled in the summer of 1992/93 (x=31.7 cm), just when the sampling programme ...

   Meeting Document : WG-FSA-99/24 : Автор(ы): R. Casaux and E. Barrera-Oro (Argentina)

2. Monitoring a marine ecosystem using responses of upper trophic level predators

   offspring growth tended to explain the greatest proportion of the variability in the CSI and this was ... 1977 and 1998. There was no trend in the CSI from variables representative of foraging conditions ... acute but transient variability that is amplified in the response of upper-trophic level predators ... . There is less certainty that trends in populations are a consequence of shifts in the degree to which ...

   Meeting Document : WG-EMM-01/25 : Автор(ы): I.L. Boyd and A.W.A. Murray (United Kingdom)

3. 30 years of krill fisheries management – challenges remain

   concern since key spawning, recruitment and nursery areas of krill are located in the Southwest Atlantic ... sector, an area that has been warming rapidly, resulting in a reduction in the extent and duration of ... establishment of CM 51-07 – distributing the trigger limit among statistical subareas – was a step in the right ... frequently. The reproduction and survival of krill are significantly affected by sea ice cover. This is of ...

   Meeting Document : CCAMLR-XXX/BG/19 : Автор(ы): Submitted by ASOC

4. Review of fishery monitoring and forecast procedures

   closed 68 fishing areas, and the total catches of Dissostichus in areas closed using the forecast model ... will be inaccurate. A range of management options are considered in response to a catch overrun. The ... Abstract:  The Secretariat monitors the catches of all target and by-catch species (or species ... averaged 98.5% of the relevant catch limits. The forecast model relies on the assumption that the fishery ...

   Meeting Document : WG-SAM-13/06 : Автор(ы): Secretariat

5. POPULATION ASSESSMENTS OF GENTOO PENGUINS (PYGOSCELIS PAPUA) BREEDING AT AN IMPORTANT ANTARCTIC TOURIST SITE, GOUDIER ISLAND, PORT LOCKROY, PALMER ARCHIPELAGO, ANTARCTICA

   Abstract:  Goudier Island is located in the Palmer Archipelago, to the west of the Antarctic ... Peninsula; it is one of the most frequently visited tourist sites in Antarctica. A number of gentoo penguin ... six visited colonies, two showed an important and significant statistical decline in the number of ... (Pygoscelis papua) breeding colonies are located on the island and these have been the focus of one of the ...

   Meeting Document : WG-EMM-09/P07 : Автор(ы): P.N. Trathan, J. Forcada, R. Atkinson, R.H. Downie and J.R. Shears

6. Linking population trends of Antarctic shag (Phalacrocorax bransfieldensis) and fish at Nelson Island, South Shetland Islands (Antarctica)

   in the number of breeding pairs of Antarctic shag Phalacrocorax bransfieldensis  in two colonies on ... , respectively, with both factors adversely affecting the population trends of this bird. In line with these ... influenced by the concomitant decrease in abundance of two of their main prey, the nototheniids Notothenia ... the 1990s up to the mid 2000s over an overall monitoring period of over two decades. It addresses ...

   Meeting Document : WG-EMM-16/P09 : Автор(ы): R. Casaux and E. Barrera-Oro

7. First increment validation of Patagonian toothfish (Dissostichus eleginoides) from Heard Island

   represent annual events, no direct validation has been provided for the early growth of this species. In an ... attempt to determine the position of first increment formation daily increments in 7 sagittal otoliths ... the ventral side of the otolith section was 0.630mm. This is consistent with the measurements in ... one opaque and one translucent increment is formed each year on the sectioned face of sagittal ...

   Meeting Document : WG-FSA-05/61 : Автор(ы): K. Krusic-Golub, C. Green and R. Williams (Australia)

8. Acoustic estimates of krill density at South Georgia, 1981 to 1998

   % confidence limits <15 g m-2). For five of the summers between 1990 and 1998 it was possible to calculate ... separate density estimates for northeastern and northwestern South Georgia, and in four of these seasons ... Paper Title:  Acoustic estimates of krill density at South Georgia, 1981 to 1998 Abstract ... / Description:  Acoustic estimates of densities of Antarctic krill, Euphausia superba, at South Georgia during ... presented graphically in Figure 2. Over the period for which data are available, mean density of krill at ... % confidence limits of the mean determined from 10 transects in ~ 9 3 % of cases. For the 1998 box survey to ... (see Priddle et al., 1988). Since Interannual variability in the abundance of t ha t t ime there ... reports of large year-to-year fluctuations in krill has been apparent since the 1920s and 1930s when ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Автор(ы): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

9. Breeding and post-breeding foraging locations of Adélie penguins at Hope Bay/Esperanza, Antarctic Peninsula

   /Esperanza, during the late part of the breeding season and their subsequent post breeding dispersal in two ... feeding area for Adélie penguins breeding in the tip of the Antarctic Peninsula.   Author(s):  M.M. Santos ... Abstract:  We compare the diet and the foraging distribution of Adélie penguins at Hope Bay ... krill fishery activity at spatial and temporal scale. During both seasons, the bulk of the diet was ...

   Meeting Document : WG-EMM-14/42 : Автор(ы): M.M. Santos (Argentina), P.N. Trathan (UK), S. Thanassekos (Secretariat), E.F. Rombolá, M.A. Juáres (Argentina), K. Reid (Secretariat) and J.T. Hinke (USA)

10. Histopathology of Antarctic krill, Euphausia superba, bearing black spots

    superba, since January, 2001. To study the nature of the black spots, the krill were sampled in the winter ... of 2003, 2006, and 2007 in the South Georgia region, the Antarctic Ocean. Histological observations ... bacteria or amorphous material. In the 2007 samples, 42% of the krill had melanized nodules. Most of the ... Abstract:  Small black spots have been noticed on the cephalothorax of Antarctic krill, Euphausia ...

    Meeting Document : WG-EMM-08/P09 : Автор(ы): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu

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