Search results
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Market-related measures
)CCAMLR-XXXII, Annex 6, paragraphs 20 to 22; (2013)CCAMLR-XXXII, Annex 6, Appendix I; (2014)CCAMLR-XXXIII ... and (2012)CCAMLR-XXXI, Annex 6, paragraph 8.14; (2013)CCAMLR-XXXII, Annex 6, paragraphs 20 to 22 ...
Page : Site Section: The Organisation
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Comparison of long-term trends in abundance, recruitment and reproductive success of five populations of Pygoscelis penguins in the South Shetland Islands, Antarctica
and Livingston Island, South Shetland Islands, Antarctica, were examined to compare up to 25 years of data ... , South Shetland Islands, Antarctica, were examined to compare up to 25 years of data on the responses ...
Meeting Document : WG-EMM-06/21 : Author(s): J.T. Hinke (USA), K. Salwicka (Poland), S.G. Trivelpiece, G.M. Watters and W.Z. Trivelpiece (USA)
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How similar are CEMP indices from adjacent locations? A case of study using Pygoscelis adeliae and P. papua monitoring data from three breeding colonies on King George Island
that are monitored at three sites on King George Island/Isla 25 de Mayo, within 30km of one another. We used five ... that are monitored at three sites on King George Island/Isla 25 de Mayo, within 30km of one another. We used five ... effort may be useful. Toward this goal, we investigated data sets from two Pygoscelid penguin species ... effort may be useful. Toward this goal, we investigated data sets from two Pygoscelid penguin species ...
Meeting Document : WG-EMM-14/43 : Author(s): M.M. Santos (Argentina), M. Korczak-Abshire (Poland), M.A. Juáres (Argentina), W.Z. Trivelpiece and J.T. Hinke (USA)
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Classification of Southern Ocean krill and icefish echoes using Random Forests
at two or more echosounder frequencies. For commonly used frequencies, however, the differences for krill ... , South Atlantic, one species in particular, mackerel icefish, Champsocephalus gunnari, forms pelagic ... and analysis of differences in mean volume backscattering strengths (SV; dB re 1 m-1) measured at two or more ... Atlantic, one species in particular, mackerel icefish, Champsocephalus gunnari, forms pelagic aggregations ...
Meeting Document : WG-EMM-16/23 : Author(s): N. Fallon, S. Fielding and P. Fernandes
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Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)
Group recalled that estimates of length-at-age for fish greater than 20 years of age would improve ... 20 22 22 Gunnari Ridge 2–5 July 520.7 18 18 18 Plateau Deep East 20–24 June 13 120 30 30 30 ... of the spawning biomass dropping below 20% of its median pre-exploitation level over a 35-year harvesting period ... recruitments (1983 to 2005). This variability was estimated after a two-year running mean smoother ...
Document : Site Section: Publications
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
in this paper. It was found that during the first years of life the linear growth rate is 3 to 5 cm per year ... . It decreases by a maximum of 1 cm during the last years of life. Maximum annual weight increments of 100 to 120 ... in this paper. It was found that during the first years of life the linear growth rate is 3 to 5 cm per year ... . It decreases by a maximum of 1 cm during the last years of life. Maximum annual weight increments of 100 to 120 ... of its theoretical maximum length and one-third of its maximum body weight at the age of 9 years ... with the fairly constant mean age of the population over the last two years, the proportion of fish with a mode ... - 9.3 13.4 17.1 20.5 23.5 26.2 28.7 30.9 32.9 34.8 36.4 37.9 Males - 8.7 13.3 17.4 20.9 24.1 26.9 29.4 ... of different age. 132 2500 2000 0> 1500 'I 'I 'I 1000 500 fO 20 30 Y Y 'I 40 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Author(s): Zaitsev, A.K.
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WG-SAM-08
, Russia Date(s): Monday, 14 July 2008 to Tuesday, 22 July 2008 Submissions Due: Monday, 30 June 2008 ...
Meeting
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Estimating food consumption of marine predators: Antarctic fur seals and macaroni penguins
requirements and food consumption. 2. Two species of marine predators (Antarctic fur seal Arctocephalus gazella ... of 0?35 (CV = 0?11) and 0?72 (CV = 0?23) G tonnes year –1. Carbon expired as CO 2 was 0?26 (CV = 0?06 ... ) and 0?65 (CV = 0?19) G tonnes year –1 for fur seals and macaroni penguins, respectively. The per capita ... food consumption varied depending upon sex and age but, overall, this was 1?7 (CV = 0?22) tonnes year ...
Meeting Document : WG-EMM-02/23 : Author(s): I.L. Boyd (United Kingdom)
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Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
techniques, from 1991 back to 1977. The predicted age structure, dominated in recent years by the 1987 year ... -class (1 year olds in 1988), was quite robust, despite the use of various combinations of survey ... proportion of 5 year olds, which was not observed during the survey on Falklands Protector in January 1992 ... . Breakdown in the credibility of the VPA results in most recent years is attributed to the invalid assumption ... with that observed during the UK stock assessment surveys of the last two years. 2. MATERIALS AND METHODS Two ... --=-Ua Equation 4 assumes equal weighting between the two indices in years when they are both ... for that year. The default is one times the mean of the four younger Fs (i.e., for C. gunnari age ... heavily dominated by the year class recruiting as 1 year olds in 1987/88. Combination of the two indices ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Author(s): Parkes, G.
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Notification for scientific research in 2017/18: proposal to participate in research plan for Antarctic toothfish in Subarea 88.3
research on the abundance of toothfish on two of the northern features, as well as parts of the slope ... and southern shelf where little fishing has occurred. The two main objectives of the proposal ... on the abundance of toothfish on two of the northern features, as well as parts of the slope and southern shelf ... where little fishing has occurred. The two main objectives of the proposal are: (i) to determine ...
Meeting Document : WG-SAM-17/38 : Author(s): Delegation of New Zealand