Search results
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Adélie penguins as indicators of the state of the sea-ice in Adélie Land
distances to reach the open water during the incubation and early chick-rearing phases. The extended absence ... was characterized by unusual precipitations of rain around the turn of the year that killed massively the already ... weakened young chicks. While we haven’t seen yet the consequences of this “zero year” on the demography ... 4°C that sent flows of melting snow through the colony, wiping out nests and eggs. Two “zero years” occurring ...
Meeting Document : WG-EMM-17/01 Rev. 1 : Author(s): Y. Ropert-Coudert, A. Kato and C. Barbraud
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Beach debris survey – Main Bay, Bird Island, South Georgia 2000/01
Abstract: During the eleventh year of standardised beach surveys of man-made debris at Bird ... During the eleventh year of standardised beach surveys of man-made debris at Bird Island, South ... ), but to a lesser extent than in previous years, whilst miscellaneous debris accounted for almost as great ... extent than in previous years, whilst miscellaneous debris accounted for almost as great a proportion ...
Meeting Document : SC-CAMLR-XXI/BG/03 : Author(s): Delegation of the United Kingdom
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2006/07
and is the lowest population size in the 10 years of census data. The number of diet samples containing fish ... was the highest ever and comparable to the first six years of the study. Unlike 2005-06, 18% of the gentoo penguin ... the nine year means for these parameters at our study site. The chinstrap penguin breeding population has ... been declining for the past seven years and is at its lowest size in the 10 years of study. Chinstrap ...
Meeting Document : WG-EMM-07/P1 : Author(s): R. Orben, S. Chisholm, A. Miller and W.Z. Trivelpiece (USA)
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A statistical method for analysing the extent of IUU fishing in CCAMLR waters: application to Subarea 48.3
the total number of days of IUU fishing that could occur during each year. For each IUU incident detected ... model. For each year, the model simulated 1000 IUU fishing incidents during the year, and from the known ... associated with IUU fishing. The catch rate of fish was calculated for each Area and each year using reported ... previously published CCAMLR observer data obtained in the early licensed fishery (1997) when few vessels used ...
Meeting Document : WG-FSA-02/4 : Author(s): D.J. Agnew and G.P. Kirkwood (United Kingdom)
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Effects of variability in prey abundance on reproduction and foraging in chinstrap penguins (Pygoscelis antarctica)
of trips day–1, trip duration, number of dives trip–1 and dive rate) did not differ between years. We ... of trips day–1, trip duration, number of dives trip–1 and dive rate) did not differ between years. We ... somewhere along the continuum between maintaining constant investment in foraging effort between years ... somewhere along the continuum between maintaining constant investment in foraging effort between years ...
Meeting Document : WG-EMM-06/P6 : Author(s): D.A. Croll, D.A. Demer, R.P. Hewitt, J.K. Jansen, M.E. Goebel and B.R. Tershy (USA)
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Estimation of the biomass of krill in Prydz Bay during January/February 1991, February/March 1992 and January/ February 1993 using echo integration
estimated for January 1985 from the SIBEX-II data. The Australian SIBEX-II estimate falls in the middle ... ). The distribution of the Sa values for the lower biomass years 1992 and 1993 were similar and distinctly different ... from the higher biomass year of 1991. The difference is characterised by the high percentage of lower ... 1985 from the SIBEX-II data. The Australian SIBEX-II estimate falls in the middle of the range ...
Meeting Document : WG-Krill-94/21 : Author(s): T. Pauly and I. Higginbottom (Australia)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2003 winter and 2003/04 breeding season
, the number of entanglements increased by 56% compared to last year and the majority of injuries were ... % compared to last year and was the lowest number of entanglements recorded since the first observations were ... . As in previous years, most individuals observed entangled in debris were juveniles (79% of winter and 55 ... in the summer (27%), they caused the majority of winter entanglements (71%). For the second year running ...
Meeting Document : SC-CAMLR-XXIII/BG/14 : Author(s): Delegation of the United Kingdom
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Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of populations in subarea of South Georgia
based on fish of two contiguous year classes, strong 1984 year class and middle 1983 year class ... of two contiguous year classes, strong 1984 year class and middle 1983 year class. These year classes ... of two contiguous age groups. It was shown that in the 1980s during a number of years the catches were ... . These year classes appeared against a background of the intensive icefish fishery, and krill biomass, judging ...
Meeting Document : WG-EMM-03/60 : Author(s): K.V. Shust and E.N. Kuznetsova (Russia)
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Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of population in subarea of the South Georgia
based on fish of two contiguous year classes, strong 1984 year class and middle 1983 year class ... of two contiguous year classes, strong 1984 year class and middle 1983 year class. These year classes ... of two contiguous age groups. It was shown that in the 1980s during a number of years the catches were ... . These year classes appeared against a background of the intensive icefish fishery, and krill biomass, judging ...
Meeting Document : WG-FSA-SAM 03/7 : Author(s): K.V. Shust and E.N. Kuznetsova (Russia)
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Report of the Workshop for the International Coordinated Survey in conjunction with CCAMLR-2000 Survey
of five acoustic/oceanographic surveys from late December 1999 and to early March 2000 in conjunction ... later in the summer. If the lowest estimate is treated as the result of measurement errors ... acoustic/oceanographic surveys from late December 1999 and to early March 2000 in conjunction with CCAMLR ... later in the summer. If the lowest estimate is treated as the result of measurement errors ...
Meeting Document : WG-EMM-01/68 : Author(s): Delegations of Japan, Rep. of Korea, USA and Peru