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1. Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988

   the basis of the data of two complex surveys carried out in the western Atlantic sector of Antarctic ... in summer 1984 and 1988. The large-length grouping is biotopically associated with the waters of the ... length structure was revealed in the survey 1988. It is assumed that the first grouping is transported ... impact of the secondary frontal zone dynamic conditions. Hydrometeorological conditions in summer 1988 ...

   Meeting Document : WG-EMM-04/27 : Автор(ы): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)

2. Geographical differences in the condition, reproductive development, sex ratio and length distribution in Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)

   April. Results of this study indicate measurable differences in a number of indices from toothfish found ... the population was more advanced in reproductive development, were in poorer condition, showed a ... consistent peak over all seasons in comparison with the southern group in which the distribution was ... multimodal. Author(s):  J.M. Fenaughty (New Zealand) Title:  Geographical differences in the condition ...

   Meeting Document : WG-FSA-04/28 Rev. 1 : Автор(ы): J.M. Fenaughty (New Zealand)

3. Avoidance of incidental mortality of seabirds and the implementation of Conservation Measure 169/XVII in Statistical Subarea 88.1 in the 1998/99 season

   Dissostichus spp. in Sub-area 88.1. Daylight setting was allowed south of 65°S in Sub-area 88.1 under special ... provisions in Conservation Measure 169/XVII. The provisions included strictly applied line-weighting regimes ... and rigorous monitoring of line sink rates. In the trials, two autoline vessels set weighted longlines ... in Statistical Sub-area 88.1 between 30th December 1998 and 27th February 1999. Time depth recorders ...

   Meeting Document : WG-FSA-99/35 : Автор(ы): J. Molloy and N. Smith (New Zealand)

4. Assessment of yield and status of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean: implications for managing by-catch in CCAMLR fisheries

   data were taken from a trawl survey conducted at Macquarie Island in 1999. Where parameters were not ... elsewhere in the world. The trawl survey data was used to calculate estimates of biomass and density for the ... catch rates of M. carinatus in longline fisheries targeting Dissostichus eleginoides. Applying the ... critical y to the mean density observed in the survey results gives a catch rate of 5.81 kg/km2 which ...

   Meeting Document : WG-FSA-99/69 : Автор(ы): E.M. van Wijk, A.J. Constable, R. Williams and T. Lamb (Australia)

5. Phytoplankton standing stocks in relation to krill in Antarctic waters

   Abstract:  Investigations on krill trawl operations in the southern ocean were accompanied by the ... waters with temperature ranging from 0 to 3° C and high nutrient content. Phytoplankton cell counts in ... fluctuations in phytoplankton and zooplankton standing stocks followed a similar trend. Marked drop in ... phytoplankton and zooplankton in the region of krill swarm however showed active feeding by the latter on these ...

   Meeting Document : WG-EMM-98/34 : Автор(ы): X.N. Verlecar, R. Vijayakumar, F. Saldhana and L. Martins (India)

6. VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES

   ‘stochastic gradient boosting’). Depth was the single most important environmental predictor of variation in ... moderately high richness between 400 and 1100 m. Richness was higher both in waters with high surface ... concentrations of chlorophyll a and in zones of mixing of water bodies of contrasting origins. Local variation in ... temperature was also important, with lower richness occurring in waters that were cooler than expected given ...

   Meeting Document : WS-VME-09/P04 : Автор(ы): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.

7. Optimization of the sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins

   Abstract:  Based on preliminary results of prey size in Adélie penguins, sampling designs intended ... for detection of interannual variations in prey mean sizes and penguin size related selectivity are ... analysed for the optimal allocation of observations at each level in nested designs. Recommended numbers ... x date interaction equal to the variance component for penguin in dates obtained from a previous ...

   Meeting Document : WG-CEMP-90/09 : Автор(ы): E. Marschoff and B. Gonzalez (Argentina)

8. Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18

   Abstract:  Norway proposes a plan to investigate the toothfish populations in the Statistical ... Subarea 48.6 in 2017/18 using standardised longline gear, established tagging techniques, and pop-up tags ... mapping, and the study will adhere to principles and guidance expressed in CM 41-01. In future years the ... that in 2018 a new Norwegian vessel will be available, equipped with advanced technology for sampling ...

   Meeting Document : WG-SAM-17/06 : Автор(ы): Delegation of Norway

9. A development of catch per unit effort (CPUE) trends that may be useful in stock assessment for Dissostichus mawsoni in Subarea 48.6

   these data to extract annual time series trends that may be of use in the fitting of stock assessment ... models for Dissostichus mawsoni (D. mawsoni) in the area.  The entire fishing area in 48.6 which is ... subarea. The trends from these models reflect stable to a slight increase in CPUE since 2013 which might ... be reflection better management since research block were introduced in 2012/2013 fishing season ...

   Meeting Document : WG-SAM-2019/37 : Автор(ы): S. Somhlaba, K. Leach, M. Bergh, T. Okuda, T, IIchi, R. Sarralde and T. Namba

10. Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2019

    ) around Heard Island and McDonald Islands (HIMI) was conducted in CCAMLR Division 58.5.2, with the ... selected station points. However, only 5 of 18 stations were sampled in Gunnari Ridge since the catch limit ... for Champsocephalus gunnari (mackerel icefish) in Division 58.5.2 was reached prior to the completion ... higher than last year’s catch even though less than a third of the stations were completed in Gunnari ...

    Meeting Document : WG-FSA-2019/03 : Автор(ы): G.B. Nowara, T.D. Lamb and P. Ziegler

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