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Diet variability and reproductive performance of macaroni penguins (Eudyptes chrysolophus) at Bird Island, South Georgia
(Euphausia superba) was the main prey in 17 out of 22 years. Amphipods (Themisto gaudichaudii) were the main ... frequency occurrence of T. gaudichaudii both increased with a decreasing proportion of E. superba in the ... gross energy content of individual meals was often above average in years when the diets contained fewer ... euphausiids, but fledging mass was always below average in these years. Although macaroni penguins are able to ...
Meeting Document : WG-EMM-12/17 : Автор(ы): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan (United Kingdom)
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Analysis of krill fishery operations in Subarea 48.1: spatial-time distribution of CPUE and fishing efforts
methods. Our investigation shows how fishery operated by years and month in each SSMUs with special ... Abstract: In previous years we revealed that period 2006-2011 is characterized by the highest ... values of standardized CPUE indices in the Subarea 48.1 for the last 25 years. We continue to investigate ... method. We obtained the additional evidence that ‘high CPUE’ regime’ in 2006-2011 is not associated with ...
Meeting Document : WG-EMM-14/21 : Автор(ы): S. Kasatkina and P. Gasyukov (Russia)
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Results of the sixth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, January 2017
appears in 2012 progressing through each year, with the appearance of a second strong cohort in 2015. The ... predators: Terra Nova Bay in 2017, with McMurdo Sound surveyed in 2016. The estimated relative biomass index ... decline in relative biomass during the survey time series is consistent with the decline in abundance of ... population in 2015, with a subsequent increase in biomass in 2016 and 2017. These results suggest the surveys ...
Meeting Document : WG-SAM-17/01 : Автор(ы): K. Large, L. Robinson and S. Parker
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SO-AntEco: Contributing information and scientific advice on benthic biodiversity in the South Orkney Islands (Domain 1) region
with an international team of scientists from the Scientific Committee for Antarctic Research (SCAR ... . The expedition took place on board the BAS research ship RRS James Clark Ross in early 2016. The focus ... , 2014). The benthic assemblages of the SOISS MPA region were found to be strongly correlated with ... substrate, where hard substrates hosted a greater number of individuals, taxa and biomass with a dominance ...
Meeting Document : WG-EMM-17/37 : Автор(ы): M.J. Brasier, S.M. Grant, P.N. Trathan, L. Allcock, O.S. Ashford, H. Blagbrough, A. Brandt, B. Danis, R. Downey, M. Eléaume, P. Enderlein, C. Ghiglione, O. Hogg, K. Linse, M. Mackenzie, C. Moreau, L. Robinson, E. Rodríguez, V. Spiridonov, A. Tate, M. Taylor, C. Waller, H. Wiklund and H.J. Griffiths
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Coincidence between climate fluctuations and variability in the Antarctic krill (Euphausia superba) recruitment
Drake Passage and krill recruitment variabiIlty. Years of high pressure gradients coincided with the ... years of good krill recruitment, and vice versa. Author(s): Sasai, Y., Kutsuwada, K., Naganobu, M ...
Meeting Document : WG-EMM-95/53 : Автор(ы): Sasai, Y., Kutsuwada, K., Naganobu, M.
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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
classes (ages 2 and 3) are likely to be much weaker than the current juvenile year classes (ages 4 to 8 ... of recruitment being increased for some recent years. An assessment of the trend in illegal catches ... results for 2001. The pooled length-density distribution for the 2002 survey shows that the younger year ...
Meeting Document : WG-FSA-02/70 : Автор(ы): A.J. Constable, R. Williams and T. Lamb (Australia)
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Preliminary study on the breedings of chinstrap and gentoo penguins at Barton Peninsula, King George Island
selected from several locations scattered in the colony. The nests were visited by 2-3 day interval and the ... following years. Some suggestion for the further research in this rookery are also mentioned. Author(s): H ...
Meeting Document : WG-CEMP-93/23 : Автор(ы): H.-C. Shin and S. Kim (Republic of Korea)
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RAPID WARMING OF THE OCEAN AROUND SOUTH GEORGIA,SOUTHERN OCEAN, DURING THE 20TH CENTURY: FORCINGS, CHARACTERISTICS AND IMPLICATIONS FOR LOWER TROPHIC LEVELS
20th century but there are few locations with data before the 1950s. In addition, assessments of change ... in this region are hampered by the strong seasonal bias in sampling, with the vast majority of data ... (1925 to 2006). Based on these data, we observe significant warming between the early and late 20th ... century, with differential warming between summer and winter months and an indication that late 20th ...
Meeting Document : WG-EMM-08/P03 : Автор(ы): M.J. Whitehouse, M.P. Meredith, P. Rothery, A. Atkinson, P. Ward and R.E. Korb
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An inter-laboratory comparison of ages estimated for Dissostichus eleginoides using otoliths
years or less of each other. Variation in estimates between readers did not increase markedly with age ... information: the readers generally read the sections similarly, with 84.7% of the estimates falling within two ... full age range, indicating differences in the criteria used to interpret the first few years of age ...
Meeting Document : WG-FSA-99/56 : Автор(ы): J. Ashford (United Kingdom) and P. Horn (New Zealand)
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Characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) through 2018/19
and SSRUs 88.2AB) together with biological characteristics of the catch of Antarctic toothfish through ... , concentrated fishing on the slope south of 70° S on the traditional fishing grounds, with some expansion of ... effort extending into SSRUs 88.2A and 88.2B, which are now open to fishing. Data are now summarized with ... previous years; some fish were recaptured after 16 years at liberty. Recaptures were higher in 2019, likely ...
Meeting Document : WG-FSA-2019/07 : Автор(ы): J. Devine, S. Parker and A. Dunn
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