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1. Contrasting population changes in sympatric penguin species in association with climate warming

   demonstrate remarkable population responses to regional warming. However, inconsistencies in the direction of ... population decreases in the three penguin species. With the loss of sea ice, Adélie penguins were less ... population changes between species at different study sites complicate the understanding of causal processes ... ice adapted gentoo penguins increased significantly in numbers over the last 26 years, whereas ...

   Meeting Document : WG-EMM-06/P3 : Author(s): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)

2. ACOUSTIC IDENTIFICATION AND SIZE ESTIMATION OF EUPHAUSIIDS

   , and specimen size was estimated acoustically by means of several acoustic scattering models implemented ... , and specimen size was estimated acoustically by means of several acoustic scattering models implemented ...

   Meeting Document : SG-ASAM-09/08 : Author(s): R. Korneliussen and G. Skaret (Norway)

3. NET-BASED VERIFICATION OF ACOUSTIC TECHNIQUES USED TO IDENTIFY ANTARCTIC KRILL

   model derived target id window only identified krill in 6 of the 16 nets correctly. The ‘2 freq 2-16 ... ’ algorithm attributed more than 90 % of the total backscatter to krill in all but 1 aggregation with the ‘2 ... krill in 12 out of the 16 nets. The ‘2 freq 2 – 12’ window only attributed more than 90 % of the total ... backscatter to krill in 6 nets while the ‘3 freq model’ attributed only just greater than 50 % of the ...

   Meeting Document : WG-EMM-08/54 : Author(s): J. Watkins and S. Fielding (United Kingdom)

4. Antarctic Climate Change and the Environment – 2019 Update

   are available online as a wiki at http://acce.scar.org/wiki/Antarctic_Climate_Change_and_the ... are available online as a wiki at http://acce.scar.org/wiki/Antarctic_Climate_Change_and_the ...

   Meeting Document : SC-CAMLR-38/BG/17 : Author(s): Submitted by SCAR

5. Total mercury and methylmercury concentrations in Antarctic toothfish (Dissostichus mawsoni): Health risk assessment

   Abstract:  In the present study, the concentrations of total mercury in different organs of the ... concentrations of 0.165 ± 0.095 mg/kg (0.023–0.454 mg/kg) in the Antarctic toothfish. In fish muscle ... , methylmercury accounted for approximately 40% of the total mercury. In a comparison analysis, muscle and liver ... Division 58.4.1 off the coast of Antarctica were determined. The results revealed total mercury ...

   Meeting Document : WG-FSA-17/P02 : Author(s): M. Yoon, M.-R. Jo, K.-T. Son, W.-S. Choi, S. I. Kang, S.-G. Choi, J. H. Lee and T. S. Lee

6. 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 : Author(s): P.N. Trathan, J. Forcada, R. Atkinson, R.H. Downie and J.R. Shears

7. Chinstrap penguins alter foraging and diving behaviour in response to krill size

   dives were unexpectedly deep (up to 110m) and mean nighttime depths sometimes exceeded those from ... on fish, mean nighttime dive depths, and the proportion of foraging trips occurring overnight. Based ... unexpectedly deep (up to 110m) and mean nighttime depths sometimes exceeded those from the daytime. The average ... annual size of krill was negatively correlated to the number of penguins foraging on fish, mean nighttime ...

   Meeting Document : WG-EMM-07/11 : Author(s): A.K. Miller and W.Z. Trivelpiece (USA)

8. 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 : Author(s): I.L. Boyd and A.W.A. Murray (United Kingdom)

9. Marine debris: a persistent and emerging threat to antarctic ecosystems

   , particularly microplastics, in Antarctic ecosystems is understudied. Combatting the problem of microplastics in ... outlines the significant gaps in knowledge of the spatial distribution of marine debris in the Antarctic ... needed, particularly to investigate the trend of heightened microplastic concentrations in areas of high ... human activity in the Antarctic. Understanding of the ecological impacts of this debris is also limited ...

   Meeting Document : SC-CAMLR-XXXVI/BG/29 : Author(s): Submitted by ASOC

10. Foraging trip duration in male and female macaroni penguins at Bouvetøya

    -transmitters in the middle of the brooding period (chick age 12-18 days) and 17 females instrumented at the ... attendance periods in the colony where shorter (average 11.9 h) than those of males (average 21.4 h), and ... Abstract:  The CEMP Standard Methods for monitoring foraging trip duration in Macaroni Penguins ... recommend using only males. However, males attend the chicks at the nest during most of the brooding period ...

    Meeting Document : WG-EMM-98/28 : Author(s): F. Mehlum, K. Isaksen and V. Bakken (Norway)

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