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1. By-catch of rays in the 2002/03 toothfish fishery around South Georgia

   the number of rays that were likely to have died as a result of being caught on longlines using a ... survival and conservation of rays; • It was the first in which very good quality information was available ... from all observers’ tally periods on the catch rates of rays cut off the line; • In 2003 the UK, with ... the cooperation of Chile and one fishing company, undertook an experiment to determine the ...

   Meeting Document : WG-FSA-03/58 : Автор(ы): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)

2. MULTIPLE TIME SCALES OF VARIABILITY IN THE KRILL POPULATION AT SOUTH GEORGIA

   conducted in the early, middle and late period of the summers of 2001 to 2005, together with krill ... abundance was highest during the middle of the summer in 3 years and in the late period in 2 years; in the ... Abstract:  The South Georgia region supports a high biomass of krill that is the subject to high ... inter-annual variability. The lack of a self-sustaining krill population at South Georgia means that ...

   Meeting Document : WG-EMM-08/48 : Автор(ы): K. Reid, J. Watkins, E. Murphy, P. Trathan, S. Fielding and P. Enderlein (United Kingdom)

3. ANTARCTIC FUR SEAL PUP PRODUCTION AND POPULATION TRENDS IN THE SOUTH SHETLAND ISLANDS WITH SPECIAL REFERENCE TO SOURCES OF ERROR IN PUP PRODUCTION ESTIMATES

   seal predation was estimated from the rate of mother-pup failed pairs after pups begin entering the ... Abstract:  This paper reports the results of a ground survey of fur seal colonies from in the ... South Shetland Islands in 2007/08. Multiple counts of pups at each colony were conducted to establish ... census in 2001/02 (10,057 ±142 pups born). Dead pups accounted for 1.64% of the total. A comparison with ...

   Meeting Document : WG-EMM-PSW-08/14 : Автор(ы): M.E. Goebel (USA), D.E. Torres C. (Chile), A. Miller, J. Santora, D. Costa (USA) and P. Diaz (Chile)

4. Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias

   Paper Title:  Improving estimates of Adélie penguin breeding population size: developing factors ... presented for the collection and development of data to adjust counts of Adélie penguins made at any time in ... the breeding season to an estimate of the breeding population. The development of ‘availability ... adjustment factors’ involves the collection of time-series counts of population objects, such as adults ... of availability adjustment data for Adélie penguins in East Antarctica. Availability curves, such ... laying their eggs around mid- November (Davis, 1988) to undertake a foraging trip of around 17 days ... nest, and nest loss is minimal. Consequently, a count of occupied nests at this point provides the ... ImprovIng estImates of adélIe penguIn breedIng populatIon sIze: developIng factors to adjust one-off ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Автор(ы): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery

5. Report on fishery and scientific activity of Ukraine in the Antarctic in 1993/94

   in subarea 48.2 from 01.03.1994 to 10.04.1994 and from the middle of the second ten-day period of May ... to the middle of the first t en-day period of June. GENERAL PETROV worked from 21.04 to 17.05 in ... Abstract:  In the season of 1993-1994 Ukrainian fishing fleet conducted fisheries in two areas of ... Antarctic waters of the World Ocean: in the Atlantic (subareas 48.2 and 48.3) and the Indian (zone of the ...

   Meeting Document : SC-CAMLR-XIII/BG/12 : Автор(ы): Observer (Ukraine)

6. Trends in bird and seal populations as indicators of a system shift in the Southern Ocean

   components is poorly understood because of the difficulty of obtaining long-term data sets on marine ... organisms. The Southern Ocean plays a critical role on global climate and there is growing evidence of ... over the past 50 years in the southern Indian Ocean, the increase starting in mid 1960s and stabilizing ... a time lag of 2–9 years with temperatures, the population size of most seabirds and seals monitored ...

   Meeting Document : WG-EMM-03/53 : Автор(ы): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)

7. Pup production and distribution of breeding Antarctic fur seals (Arctocephalus gazella) at South Georgia

   in the 1950s and 1960s. Increased population size has led to an expansion of the breeding range at ... Abstract:  A census of the breeding population of Antarctic fur seals (Arctocephalus gazella) at ... South Georgia was carried out during the 1990/91 breeding season. Using counts of adult females ashore ... at the breeding grounds during the pupping period, together with corrections for the likelihood of a ...

   Meeting Document : WG-CEMP-92/39 : Автор(ы): I.L. Boyd (United Kingdom)

8. Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates

   temporally controlled measures of tag-detection rates Abstract / Description:  A reliable commercial fish ... tagging program is critical to the successful management of a number of toothfish fisheries in Antarctica ... an integrated stock assessment. Previous attempts to assess the relative reliability of vessels in ... detecting tagged fish have been inconclusive due to low numbers of recaptures after controlling for spatial ... probability of recapture for both the case and the controls, irrespective of fish move- ment or tag loss ... -structured stock assessment model of Antarc- tic toothfish (Dissostichus mawsoni) to determine sustainable ... yields (Mormede et al., 2011a, 2011b; Mormede, 2011). In those analyses, the assumed values of ... mortality of tagged fish and the subse- quent detection rate of recaptured tagged fish are important input ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Автор(ы): Mormede, S. and A. Dunn

9. Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set

   Paper Title:  Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island ... data set Abstract / Description:  In the vicinity of the northern tip of the Antarctic Peninsula, the ... water from the Pacific Ocean. A series of fronts form which are collectively referred to as the Weddell ... Scotia Sea water by a zone of varied width (10 to 100 km) of water which can best be considered as ... population (Marr, 1962). The Weddell Gyre is a large, wind-driven cyclonic gyre, with a transport of 70 to ... SC-CAMLR-VII/BG/19 PHYSICAL OCEANOGRAPHIC SETTING OF ... vicinity of the northern tip of the Antarctic Peninsula, the Bransfield Straits and South Shetland Islands ... of fronts form which are collectively referred to as the Weddell-Scotia Confluence. Within the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Автор(ы): Gordon, A.L.

10. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

    Paper Title:  Estimation of krill (Euphausia superba) mortality and production rate in the ... data of an identical survey with RV Polarstern in 1987/88. Seasonal variation between summer and winter ... abundance/biomass data exceeded a factor of 1:35, while inter-annual variability between available surveys ... reached only a factor of 1:1.6. Krill mortality was calculated by linearized catch curve analysis and ... indicating a missing of a middle aged class (see below). 3.2 Biomass Krill biomass was mapped as g/m2 ... WG-KRILL-91/15 ESTIMATION OF KRILL (EUPHAUSIA SUPERBA ... January 1990. Results were compared with data of an identical survey with RV Polarstern in 1987/88 ... . Seasonal variation between summer and winter abundance/biomass data exceeded a factor of 1:35, while ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Автор(ы): Siegel, V.

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