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Patterns and processes in the distribution and dynamics of Antarctic krill
spatially variable growth rates of krill, krill loss rates due to predators, density-dependent attraction of ... Abstract: A general framework is presented to develop, test and integrate component models of the ... distribution and dynamics of Antarctic krill population at various spatial and temporal scales. We suggest that ... models of increasing complexity be developed iteratively for variability and patchiness of krill ...
Meeting Document : SC-CAMLR-VII/BG/20 : Autor(es): United States of America
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Diving location and depth of breeding chinstrap penguins during incubation and chick-rearing period in King George Island, Antarctica
Island, Antarctica, diving characteristics of breeding chinstrap penguin parents were recorded by ... short trip hours during chick-rearing period. In addition, chinstrap penguins exhibited deeper dive ... need of chick-feeding and the temporal changes in prey availability between the two reproduction stages ... depth of breeding chinstrap penguins during incubation and chick-rearing period in King George Island ...
Meeting Document : WG-EMM-17/P01 : Autor(es): W.Y. Lee, S. Park, N. Choi, K.W. Kim, H. Chung and J.-H. Kim
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On the accuracy of the pellet analysis method to estimate the food intake in the Antarctic shag Phalacrocorax bransfieldensis
Abstract: The accuracy of correction factors estimated to compensate the digestion and loss ... through the gastrointestinal tract of the otoliths of fish represented in pellets of the Antarctic Shag ... Phalacrocorax bransfieldensis was tested at two localities of the South Shetland Islands. F or such purpose, the ... results from the analysis of 226 and 115 pellets collected at Harmony Point and at Duthoit Point ...
Meeting Document : WG-EMM-97/61 : Autor(es): Casaux, R.
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A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season
days between 25 December 1997 and 5 January 1998. The total catch of C. gunnari was 5.04 tonnes in 34 ... hauls. 67% of this catch was taken in just two hauls, confirming the patchy distribution of this species ... . Most of the catch was made up of fish between 22 and 30 cm long. Fish of this size range have ... previously been shown to be ages two and three. The catch of species other than C. gunnari amounted to only ...
Meeting Document : WG-FSA-98/53 : Autor(es): G. Parkes, A. King and C. Jones (United Kingdom)
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Diet and prey consumption of Antarctic petrels Thalassoica antarctica at Svarthamaren, Dronning Maud Land and at sea outside the colony
Abstract: The diet of the Antarctic petrel Thalassoica antarctica was studied during two years at ... found in other diet studies. Estimates of food consumption for birds breeding at Svarthamaren (c ... . 250,000 pairs) indicate that the take approximately 6,600 tons of Crustaceans, 2,600 tons of fish and 485 ... tons of squid during the breeding season. Furthermore, their annual consumption is estimated to 34,800 ...
Meeting Document : WG-EMM-97/58 : Autor(es): Røv, N., Lorentsen, S., Klages, N.
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Population numbers of fur seals at Prince Edward Island, Southern Ocean
south-east coast of the island; the first a mixed (with Subantarctic fur seals) breeding colony with an ... Abstract: During the period 17–22 December 2001, the onshore distribution and the abundance of ... Prince Edward Island (46°38´S, 37°57´E). Two breeding colonies of Antarctic fur seals were located on the ... estimated 24 pups on a vegetated promontory on the northern section of Boggel Beach, and the second, a ...
Meeting Document : WG-EMM-03/18 : Autor(es): M.N. Bester, P.G. Ryan and B.M. Dyer (South Africa)
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Southern royal albatross Diomedea epomophora census on Campbell Island, 4 January–6 February 1996, and a review of population figures
was counted. Comparisons of different field census techniques and a measure of the rate of egg loss ... Abstract: A census of breeding Southern Royal Albatross was undertaken at Campbell Island during ... the period 4 January to 6 February 1996 of the 1995-96 breeding season. A total of 7787 occupied nests ... January-February 1995, much of which could be explained by some larger survey blocks being counted more ...
Meeting Document : SC-CAMLR-XVII/BG/13 : Autor(es): Delegation of New Zealand
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IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION
rates of recapture of tags released by the trip, and above-median tag recapture rates by the trip.A ... Abstract: The suite of data quality metrics introduced by Middleton & Dunn (2008) is examined ... to identify those metrics that are most informative with respect to the identification of good ... bootstrap analysis indicates that the range of data quality metrics associated with known good tagging data ...
Meeting Document : WG-SAM-09/19 : Autor(es): D.A.J. Middleton and A. Dunn (New Zealand)
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Analysis of the stomach content in the blue-eyed shag Phalacrocorax atriceps bransfieldensis at Nelson Island, South Shetland Islands
or loss of the otoliths through the gastrointestinal tract. The analysis of the stomach contents is ... Abstract: Forty stomach contents of the blue eyed shag Phalacrocorax bransfieldensis were sampled ... at Nelson Island, South Shetland Islands, in January 1994. The analysis of the diet showed that fish ... number (47%). The comparison with data published on pellets analysis of shags from the same colony gave ...
Meeting Document : WG-CEMP-94/31 : Autor(es): N. Coria, R. Casaux, M. Favero and P. Silva (Argentina)
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CPUEs and body length of Antarctic krill density during the 1997/98 season in Area 48
and north east of South Georgia. Size composition differed among the areas. In the west of the ... differed among the periods. In the north east of South Georgia, single mode (approx. 37-39mm) with narrow ... winter of 1997/98 season in the Area 48. The fishing grounds were formed around the South Shetland ... Islands, west of the Antarctic Peninsula, and around the South Orkneys Islands from mid-December to mid ...
Meeting Document : WG-EMM-99/48 : Autor(es): S. Kawaguchi (Japan)