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1. 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 : Autor(es): M.E. Goebel (USA), D.E. Torres C. (Chile), A. Miller, J. Santora, D. Costa (USA) and P. Diaz (Chile)

2. 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 : Autor(es): Observer (Ukraine)

3. 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 : Autor(es): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)

4. 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 : Autor(es): I.L. Boyd (United Kingdom)

5. Temporal variation in Antarctic sea-ice: analysis of a long-term fast-ice record from the South Orkney Islands

   Abstract:  Detection of climate-induced change in marine ecosystems requires a knowledge of the ... underlying variability of the environment. This paper uses a range of datasets to investigate the interannual ... variability in Southern Ocean sea-ice dynamics. We present the first analysis of a series of fast-ice duration ... indicate that there has been a long term decline in the duration of sea-ice at the South Orkney Islands in ...

   Meeting Document : WG-EMM-95/80 : Autor(es): Symon, C., Murphy, E.J., Priddle, J., Clarke, A.

6. On the problem of icefish (Champsocephalus gunnari) vertical migration on the South Georgia shelf

   the maximum catches were available at the middle of the light hours of the day. At twilight the fish ... Abstract:  The results are presented of studying icefish vertical migration based on the data of R ... /V cruises during the seasons of 1982-83, 1983-84 and 1986-87, when this species was highly abundant ... concentrations migrate into the water column and the catches greatly decrease. The direct observations of icefish ...

   Meeting Document : WG-FSA-91/06 : Autor(es): J.A. Frolkina and V.I. Shlibanov (USSR)

7. Approaches to evaluating and testing of CEMP methods for parameters A1, A5 and A7

   description of foraging trip duration using the mean arising from a bimodal distribution of trip durations may ... Abstract:  The methods and presentation of CEMP parameters A1, A5 and A7 where evaluated using ... simulated time-series data. The effects of sampling timing and intensity during five-day periods for ... measures of arrival and fledging mass suggested that situations where sampling is distributed unevenly ...

   Meeting Document : WG-EMM-04/60 : Autor(es): G. Watters (USA) and K. Reid (United Kingdom)

8. Comparison of equal-area cylindrical and circular piston transducers

   index and on-axis sensitivity loss due to curvature of the cylindrical transducers, referred to as the ... curvature loss. Under identical conditions of excitation, isotropic ambient noise, and detection threshold ... Abstract:  Design of sondes for in situ measurement of zooplankton or other scatterers requires ... choosing among alternative transducer geometries. This contribution addresses the problem of choosing ...

   Meeting Document : WG-EMM-95/08 : Autor(es): Foote, K.G.

9. Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate

   -1972. Exponential models fitted to the frequency distribution of age-classes greater than age 5 years ... Abstract:  The age distribution of breeding female Antarctic fur seals at Bird Island, South ... Georgia, in 1988 was compared with the age distribution of a sample obtained in 1971-1973. The mean age in ... ), which was significantly lower than in 1971-1973. Indicators of population size suggested that population ...

   Meeting Document : WG-CEMP-91/21 : Autor(es): I.L. Boyd, N.J. Lunn, P. Rothery and J.P. Croxall (United Kingdom)

10. Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18

    of the ship between extraction zones during each fishing trip are described Author(s):  P.M. Arana ... Abstract:  This paper provides a summarized description and analysis of the activities carried out ... by the Chilean krill fishing ship Antarctic Endeavour throughout its first year of operation (2017 ... the production of krill meal. Effort, catch and CPUE, and the length frequency distributions of ...

    Meeting Document : WG-EMM-2019/09 : Autor(es): P.M. Arana and R. Rolleri

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