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1. Selectivity of commercial and research trawls in relation to krill

   more large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference ... research trawl. The two types of trawl have different catchability characteristics: the research trawl ... large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in mean ... research trawl. The two types of trawl have different catchability characteristics: the research trawl ... is one which needs to be investigated. During recent years one of the main methods of estimating ... the commercial and research trawls. From this, one may conclude that samples were taken from two separate ... surveys of one type or another is trawl haul data. In practice both commercial and pelagic research ... for comparative analysis. Three hauls for each type of trawl, made as the vessels followed one another ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Author(s): Kasatkina, S.M

2. Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

   is confirmed by the present analysis. Results are compared for one- and two-year-old krill (R1 and R2 ... variability of krill recruitment is confirmed by the present analysis. Results are compared for one- and two ... for the Elephant Island area with regard to the representativeness of the study area (60°-62 o 30´S and 53 o-57 ... o 30´W) for proportional recruit and density indices. Proportional recruitment indices were re ... analysis. Results are compared for one- and two-year-old ]age groups differently. Two-year-old ... to their maximum size and in years when the first component is represented by a strong age group ... not to be representative for the age class. However, examples from the time series show that years of poor to almost ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Author(s): Siegel, V., W. de la Mare and V. Loeb

3. A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   for this resource. The MP uses two data sources: the recent trend in longline CPUE and the mean length ... uses two data sources: the recent trend in longline CPUE and the mean length of the catches made. An MP ... further robustness tests are considered in which future selectivity changes. In one, a lower age at 50 ... for current abundance, and one that reflected a status intermediate between these two extremes. The implicit ... of the (about) eight age- classes that make substantial contributions to the catches each year and the 43 ... to the exploitable component of the biomass), the numbers-at-age for the first seven years are allowed to fluctuate ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Author(s): Brandão, A. and D.S. Butterworth

4. Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)

   the period between the two surveys. In addition to the commercial species, Zanclorhynchus spinifer ... , their biomass during the period between the two surveys. In addition to the commercial species, Zanclorhynchus ... density and abundance estimations. In strata where other species occur in one or two stations only ... % of fish respectively). Another peak, probably a combination of two age classes, 0+ and 1+, shows a 15 cm ... composition. Scales and otolith samples were taken for ageing. A tagging program of D. eleginoides was also ... be found in Isaaks and Srivastava (1989). The plateau stations were the only ones used in the kriging ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Author(s): Duhamel, G. and M. Hautecoeur

5. Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987

   2 August. The Soviet Union was represented by 12 scientists, and Australia, by one observer ... of standard length/total length b) determination of weight c) collection of otoliths and scales for, age ... (New Bank), one bottom trawl was made on the Bank vostochnaya (East Bank), and 26 bottom trawls were ... sguamifrons (Gunther, Notothenidae) prevailed. Only one catch from the north-western part of the bank ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Author(s): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba

6. Environment–krill relations in the South Georgia marine ecosystem

   expressed strongly in years of extreme conditions. The correlation with water temperature was more ... expressed strongly in years of extreme conditions. The correlation with water temperature was more ... of the South Atlantic sector of the Southern Ocean (Priddle et al., 1988). These va r i a t i ons ... catches of krill taken as p a r t of t h e 'Discovery ' exped i t i ons a n d t h e occurrence ... a relationship be tween t he intensi ty of t he a tmospher ic air t r anspo r t a n d va r i a t i ons ... in abundance or distribution at one or more scales. In this paper a time series of the catch per unit ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Author(s): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky

7. Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program

   of the data did not differ significantly from normality in either year (Kolmogorov-Smirnov one-sample test ... = 15.1 30 ""'" ...... C ::l 0 U '-" ;>, 20 u C 80 90 ... . Statistical Power (P) 0.6 0.8 Sample sizes required for two years of monitoring and a = 0.05 (5%) 42 66 ... Smallest Difference (d) (1 0%) 1 2 1 9 (% Current Value) (20 %) 5 5 (30%) 2 3 Sample sizes required ... sensitivity analyses on existing data regarding predator breeding biology parameters, this report presents ... /88 and 1988/89 breeding seasons. The data on the following parameters were analyzed: adult weight on ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Author(s): Whitehead, M.D.

8. Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)

   to an asymptote of one. Size at sexual maturity of Patagonian toothfish Table 2: LmS0 and 95% confidence ... against length. The broken line is for the fitted curve constrained by an asymptote of one. The solid ... larval production. Arising from this there may be an effect on recruitment. In answering one question ... in Biological Assay. 3rd Edition. Charles Griffin, London: 508 pp. Kock, K.-H. and I. Everson. 1998. Age ... / Description:  Analyses of size at sexual maturity were undertaken on samples of Patagonian toothfish ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Author(s): Everson, I. and A.W. Murray

9. Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove

   period of 24 years which began in 1983, and at Harmony Cove in the summers of 2001to 2003. The decline ... than two decades after the end of the commercial fishery. File:  05barrera-oro-marschoff.pdf ... has continued at Potter Cove from 2000 to 2006, extending a continuous sampling period of 24 years ... than two decades after the end of the commercial fishery. ... of one-way ANOVAs carried out separately for total and relative abundances per заметно снижение ... in the fi shing tasks. Comments by Dr R. O’Driscoll, Mr R. Williams and one anonymous reviewer improved ... of freedom Mean square F P (a) Notothenia rossii, total catches Years 19.8835 20 0.994173 14.6162 <0.00001 ... Error 59.3803 873 0.068019 (b) Gobionotothen gibberifrons, total catches Years 9.8124 20 0.49062 ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Author(s): Barrera-Oro, E.R. and E.R. Marschoff

10. Commercial krill fisheries in the Antarctic, 1973 to 1988

    ; a split-year being the twelve month period from 1 July in one year to 30 June in the next. The catch year ... 48.1 and 48.2 (see Figures 12a and 12b). (N.B. It must be noted that a large catch of 89 tonnes in one ... ). These results tend to confirm one of the major conclusions of the CCAMLR sponsored Krill Simulation Study ... -ranging krill predators, such as the minke whale. The minke whale is one of the six rorqual (Mysticeti ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Author(s): Miller, D.G.M.

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