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1. 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 : Autor(es): Secretariat

2. 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 : Autor(es): P.N. Trathan, J. Forcada, R. Atkinson, R.H. Downie and J.R. Shears

3. 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 : Autor(es): R. Casaux and E. Barrera-Oro

4. 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 : Autor(es): K. Krusic-Golub, C. Green and R. Williams (Australia)

5. 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 : Autor(es): 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)

6. 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 : Autor(es): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu

7. Do Adélie penguin fledgling weights provide an index of prey availability?

   crèche stages of the breeding season. In some seasons, there appeared to be constant levels of resources ... associated truncation of the distribution in poor seasons for seabirds with prolonged chick-rearing periods ... the demographic consequences of variable fledgling weights in terms of subsequent chick survival for ... as strong for the crèche foraging trips later in the season. Fledgling weights which are measured at ...

   Meeting Document : WG-EMM-05/21 : Autor(es): L. Emmerson, C. Southwell and J. Clarke (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 : Autor(es): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

9. Growth per molt of male snow crab Chionoecetes opilio from Conception and Bonavista Bays, Newfoundland

   , Newfoundland, in order to estimate the increase in size at the time of molting. Ninety-two animals were ... recaptured which had usable information on growth increments. Based on the amount of growth, we hypothesized ... that 20 of these had molted once while the remainder molted twice. Two lines of evidence support this ... interpretation. First, animals in the group presumed to have molted twice were at liberty on average twice as ...

   Meeting Document : WS-CRAB-93/12 : Autor(es): D.M. Taylor and J.M. Hoenig (USA)

10. ENVIRONMENTAL FORCING AND SOUTHERN OCEAN MARINE PREDATOR POPULATIONS: EFFECTS OF CLIMATE CHANGE AND VARIABILITY

    potentially the location where the most rapid climate change is most likely to happen, particularly in the ... include changes to the long interdecadal background signals such as the development of the El Niño ... best predictor of biological responses over longer time-scales. Around the Southern Ocean, marine ... predator populations show periodicity in breeding performance and productivity, with relationships with the ...

    Meeting Document : WG-EMM-08/P06 : Autor(es): P.N. Trathan, J. Forcada and E.J. Murphy

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