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1. Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island

   , in the inshore foraging areas middle-sized krill (modal length 43 mm), which consisted mainly of ... areas of krill (≥250g/m2) were rather limited. In contrast, fur sea! foraging areas were formed in ... . 2-3 km in horizontal distance) of higher densities (≥250g/m2). In the inshore foraging areas krill ... vertical migration, staying close to the surface throughout the day. As for body size and maturity of krill ...

   Meeting Document : WG-KRILL-92/27 : Autor(es): T. Ichii, H. Ishii (Japan), J.L. Bengtson, P. Boveng, J.K. Jansen (USA) and M. Naganobu (Japan)

2. The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia

   , the most numerous- fish taxon, 98% were taken between early February and the middle of March ... Abstract:  The diet of lactating female Antarctic fur seals Arctocephalus gazella at South Georgia ... was investigated during the pup rearing period (January- March) of 1991-1994. Antarctic Krill ... Euphausia superba was the main prey item, occurring in 88% of all scats (n=497), whereas fish occurred in 47 ...

   Meeting Document : WG-EMM-95/28 : Autor(es): Arnould, J.P.Y., Reid, K.

3. Milk fatty acid signatures indicate both major and minor shifts in foraging ecology of lactating Antarctic fur seals

   Abstract:  Fatty acid signature analysis is based on the conservation and unique signatures of ... fatty acids in the marine food chain and it may be useful in determining the composition of seal diets ... ), mid (n=11), and late (n=8) foraging trip intervals, and demonstrate its use in detecting shifts in ... perinatal fast are derived largely from blubber mobilization and thus likely resemble an integration of ...

   Meeting Document : WG-EMM-97/14 : Autor(es): Boyd, I.L., Iverson, S.J., Arnould, J.P.Y.

4. Food consumption estimates of southern elephant seal females during their post-breeding aquatic phase at South Shetland Islands

   in a loss of 35% of the initial mass, comprising 63% of initial body fat and 20% of initial body ... gained while at sea. However, protein loss expressed in absolute terms or as a proportion of that present ... , King George Island (25 de Mayo). During lactation females spent a mean of 6021±1365 Mj, which resulted ... to recover an average of 55% of the mass, including 46% of the fat, 71% of the protein and 47% of the ...

   Meeting Document : WG-EMM-04/33 : Autor(es): A.R. Carlini, G.A. Daneri, M.E.I. Márquez (Argentina), H. Bornemann (Germany), H. Panarello, R. Casaux (Argentina), S. Ramdohr and J. Plötz (Germany)

5. An Apparent Decrease in the Prevalence of “Ross Sea Killer Whales” in the Southern Ross Sea

   very abundant penguin, seal and whale components, loss of the toothfish option for Ross Sea killer ... the loss of large fish as a prey choice. Author(s):  D.G. Ainley, G. Ballard and S. Olmastroni Title ... occurrence patterns and diet of RS killer whales, and present new information on numbers observed in the ... large Antarctic toothfish (Dissostichus mawsoni), as the review herein demonstrates. On the basis of sea ...

   Meeting Document : WG-EMM-09/P01 : Autor(es): D.G. Ainley, G. Ballard and S. Olmastroni

6. A quantified Bayesian maximum entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the 2000 CCAMLR survey

   Abstract:  We present the results of an alternative method of estimating krill abundance, and ... producing maps of krill distribution, from the data collected during the 2000 CCAMLR survey of the Scotia ... unsurveyed off-transect portions of the survey area were found by interpolation, and thus values for total ... inferred. The MaxEnt formalism allows an objective choice of the parameters of the interpolation, and hence ...

   Meeting Document : WG-EMM-05/42 : Autor(es): B.G. Heywood, S.F. Gull and A.S. Brierley (United Kingdom)

7. Descriptive analysis of mesopelagic backscatter from acoustic data collected in the Ross Sea

   Abstract:  This report presents results from a pilot study to investigate the use of acoustics to ... estimate middle trophic level prey organisms (e.g., krill and mesopelagic fish) in the Ross Sea. Single ... quantify spatial and vertical distribution of acoustic backscatter in the upper 1000 m of the water column ... . There were clear spatial patterns in the amount and type of mesopelagic backscatter observed. There was ...

   Meeting Document : WG-EMM-06/11 : Autor(es): R.L. O’Driscoll (New Zealand)

8. Draft: differences in the foraging strategies of male and female Adelie penguins

   Abstract:  Consistent gender differences in foraging trip durations, feeding localities and diet ... of breeding Adelie penguins were demonstrated at two widely separated locations over a number of ... frequently and consumed larger quantities of krill, especially when chicks were small. Males tended instead ... on fish throughout chick rearing. The importance of these results to monitoring programs such as the ...

   Meeting Document : WG-EMM-95/46 : Autor(es): Franchi, E., Kerry, K., Clarke, J.

9. Acoustic estimates of krill density at South Georgia, December/January 1998/99

   north-west and north-east of South Georgia during December/January 1998/99 were used to estimate mean ... krill density there. Densities (east = 11.1 g m-2, west = 12.0 g m-2) were towards the lower end of the ... range observed over the past two decades, but not abnonnally low, and comprised almost entirely of large ... estimates of krill density at South Georgia, December/January 1998/99 Approval:  Approved ...

   Meeting Document : WG-EMM-99/20 : Autor(es): A.S. Brierley and C. Goss (United Kingdom)

10. The effect of different methodologies used in penguin diet studies at three US AMLR predator research sites: Admiralty Bay, Palmer Station and Cape Shirreff

    Abstract:  Diet studies are a key component of the CCAMLR predator monitoring program as they ... provide direct assessments of the prey types and amounts of import to predators, which, in turn, are ... hypothesized to influence variability in related parameters such as breeding success, foraging trip durations ... and chick fledging weights. Given the importance and interdependence of diet studies to monitoring ...

    Meeting Document : WG-EMM-99/46 : Autor(es): W. Trivelpiece, S. Trivelpiece (USA) and K. Salwicka (Poland)

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