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1. Trends of Antarctic fur seal population at SSSI No. 32, Livingston Island, South Shetlands, Antarctica

   had to model the population at the latter site, in order to have a complete estimate of the population ... . From this, we estimated an overall increase of 17% in the total population, including in this figure a ... , and the scattered historical data. Further evidence that the breeding population of A. gazella is ... affected by the El Niño Southern Oscillation phenomena might be given by the intrinsic rate of population ...

   Meeting Document : WG-EMM-99/16 : Автор(ы): R. Hucke-Gaete, D. Torres, A. Aguayo, J. Acevedo and V. Vallejos (Chile)

2. Population, breeding, diet and conservation of Crozet shag Phalacrocorax [atriceps] melanogenis at Marion Island, 1994/95 to 2002/03

   25% of the mature population did not breed in 1997/98, coincident with a strong El Niño Southern ... birds breeding in any given season. The decreases coincided with a period of warming and reduced ... precipitation at Marion Island and with a decrease in the number of gentoo penguins Pygoscelis papua breeding ... , but a change in dominance among nototheniid prey suggests availability of prey to shags changed after ...

   Meeting Document : WG-EMM-03/17 : Автор(ы): R.J.M. Crawford, J. Cooper, B.M. Dyer, A.C. Wolfaardt, D. Tshingana, K. Spencer, S.L. Petersen, J.L. Nel, D.G. Keith, C.L. Holness, B. Hanise, M.D. Greyling and M. du Toit (South Africa)

3. Coastal weather drives foraging behaviour of chinstrap penguins, Pygoscelis antarctica

   ) supports huge predator populations as well as a growing commercial fishery.  To utilize information from ... indices of krill predators have been proposed as a proxy for krill abundance.  However, there are several ... context, our study capitalises on the occurrence of an unexpected El Niño event to characterise how ... environmental variability can drive changes in predator foraging behaviour. We demonstrate a clear link between ...

   Meeting Document : WG-EMM-18/P14 : Автор(ы): A.D. Lowther, P. Trathan, A. Tarroux, C. Lydersen and K.M. Kovacs

4. Using predators and their prey to characterise the status of the marine ecosystem at South Georgia

   patchiness is probably a more important determinant of foraging success than density per se; (iv) previously ... krill densities. We suggest that a programme of work is needed to better characterise predator ...

   Meeting Document : WG-EMM-16/28 : Автор(ы): P. Trathan, S. Fielding, S. Hill, M. Belchier and J. Forcada

5. Temporal variability in Antarctic marine ecosystems: periodic fluctuations in the phocid seals

   behavior when demodulated at a period of 5 yr. The Weddell seals were generally in phase with the SOI since ... thereafter the SOI series led the leopard seal series by about one quarter of a cycle. The crabeater series ... observations are confirmed, they point to large-scale oceanographic variation, possibly related to the El Niño ...

   Meeting Document : WG-CEMP-91/13 : Автор(ы): J.W. Testa, G. Oehlert, D.G. Ainley, J.L. Bengtson, D.B. Siniff, R.M. Laws and D. Rounsevell (USA)

6. Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea

   Abstract:  New and alarming evidence has been published by Trivelpiece et al. recently about the ... . Trivelpiece et al. argue that the reduction of the populations of both species could be attributed to changes ... context, CCAMLR should keep a precautionary approach in the management of the krill fishery to reduce ...

   Meeting Document : CCAMLR-XXX/BG/21 : Автор(ы): Submitted by ASOC

7. Discussion on recent results from an integrated assessment of Antarctic krill (Euphausia superba) in Subarea 48.1

   Abstract:  This is a companion paper to Kinzey et al. (2014), who extended the integrated stock ... and estimate krill growth.  Kinzey et al. (2014) fitted stock-assessment models to survey data that ... from three of the models provide a robust picture of changes in the krill population.  An annual model ... surveys estimated similar absolute biomasses and changes in biomass.  A seasonal model estimated similar ...

   Meeting Document : WG-EMM-14/35 : Автор(ы): G.M. Watters, C.S. Reiss and D. Kinzey (USA)

8. Population of macaroni penguins Eudyptes chrysolophus at Marion Island, 1994/95 to 2002/03, with information on breeding and diet

   correlated. Both showed a marked decrease in 1998/99, after the El Niño of 1997/98. In most seasons from 1994 ... demonstration of a significant decrease in the overall population. Numbers of occupied nests at other colonies ... decreased from 79 000 in 1994/95 to 31 000 in 2002/03. At three small colonies there was a significant ... . However, during this period there was a significant increase in reproductive success with time. In the ...

   Meeting Document : WG-EMM-03/15 : Автор(ы): R.J.M. Crawford, J. Cooper and B.M. Dyer (South Africa)

9. Precision of growth band determination from eyestalk sections of Antarctic krill (Euphausia superba) preserved in formalin

   have a greater impact on the feedback management process because this preservation method was more ... infromation were not including published paper). This method is direct and uses a grinding and polishing ... technique before reading, contrary to Krafft et al. (2016) and Kilada et al. (2017). Combined with published ... studies, specimens collected from autumn to winter in this study can provide a better understanding of ...

   Meeting Document : WG-EMM-18/P16 : Автор(ы): G.P. Zhu, Y. Yang, Q. Song and H.T. Zhang

10. CLIMATICALLY DRIVEN FLUCTUATIONS IN SOUTHERN OCEAN ECOSYSTEMS

    of how biological and physical processes interact across a wide range of scales. Here we examine the ... atmospheric teleconnections with El Niño Southern Oscillation (ENSO)-related processes. These SST anomalies ... than 1 year), where ENSO and Southern Annular Mode-related atmospheric processes have a direct ... °C over the next 100 years could lead to more than a 95% reduction in the biomass and abundance of ...

    Meeting Document : WG-EMM-08/P02 : Автор(ы): E.J. Murphy, P.N. Trathan, J.L. Watkins, K. Reid, M.P. Meredith, J. Forcada, S.E. Thorpe, N.M. Johnston and P. Rothery

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