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1. On the intensity of sampling krill trawl catches

   . The possible effect of two other factors (within-trawl variability and sample decomposition) which may ... be discerned (e.g., length-with-age). At present, and in the interests of both statistical rigour and ... 120 100 90 80 70 60 50 40 30 20 10 30 35 i i i i i i i i i i i i i ... WG-KRILL-90/27 ON THE INTENSITY OF SAMPLING KRILL TRAWL ... -frequency distributions from commercial catches. The possible effect of two other factors (within-trawl ... 8012, South Africa 29 30 • l'examen des differences minimales de longueurs decelables d'une ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Автор(ы): Miller, D.G.M.

2. Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3

   grenadier, Subarea 48.3 0 10 20 30 40 50 60 70 80 90 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 ... equations of the fi tted lines are given in the text. 90 80 70 60 50 40 30 20 10 0 40 35 30 ... from Heard and Macquarie Islands. 0 10 20 30 40 50 60 70 80 90 10 12 14 16 18 20 22 Otolith ... Length (mm) Fi sh T ot al L en gt h (c m ) 90 80 70 60 50 40 30 20 10 0 Fi sh to ta ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Автор(ы): Morley, S. and M. Belchier

3. Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys

   two species in the diet of C. gunnari was reversed. The consumption of other prey items such as mysids ... and Thysanoessa sp., which are known to be important alternative food in years of krill scarcity, as ... years of krill scarcity), intermediate in 1995 (below years of historically high abundance), and high in ... 1996 and 1997 (in line with years of high krill abundance). This information is well in accord with ... : the dietary coefficient (Q%) showed a greater importance of T. gaudichaudii (75-80%) than krill (20 ... of the SG shelf (south of 54'55's) in February 1995 and in March/April 1997. At one station in this ... empty stomachs predominated in the north-western region of the SG shelf (around 54"05'S, 38"30'W in ... fish (ranges 12-20 cm/l-2 years) was found in the catches during the RV Dr Eduardo L. Holmberg ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Автор(ы): Barrera-Oro, E., R. Casaux and E. Marschoff

4. On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)

   composition of catches from 1964/65 to 1968/69 and the age/length key for the first half of 1972 were used in ... . The following two procedures were used to calculate the age structure of the catches. The first ... : where nl a a1 a2 = = = number of fish aged a of length I in the key; minimum age of fish of ... Georgia Area (Subarea 48.3). WG-FSA-90/28. Hobart, Australia: CCAMLR. pp. 22. 319 Table 1: Age ... determined using two procedures for calculations. Age 1964/65 1966/67 1967/68 1968/69 1964-69 1964-69 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Автор(ы): Frolkina, G.A. and R.S. Dorovskikh

5. Use of indices of predator status and performance in CCAMLR fishery management

   of likely operational constraints on fisheries. File:  20-Croxall.pdf ... last year and with average(s) of previous years. Determine level of statistical significance of ... situation within two to three decades (as required by Article 11 of the Convention). We should also ... environment, evidence for short-term changes (year-to-year differences or trends over three to five years ... of resources should not be detrimental to natural consumers (see Article 11, paragraph 3{b)). This ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Автор(ы): Croxall, J.P.

6. Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990

   -26 and 30-34 cm. Only vertebra samples (n =140) were used in age determination. Age groups from 1+ to ... USSR conducted two research cruises using the vessels RV Hill Cove and RV Akademik Knipovich to study ... 9+ were present in catches. Two peaks in size composition correspond with fish of the 1987 and 1985 ... Paper Title:  Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken ... WG-FSA-90/33 AGE DETERMINATION OF CHAMPSOCEPHALUS ... =140) were used in age determination. Age groups from 1 + to 9+ were present in catches. Two peaks in ... Knipovich). Two fish age-reading structures (otoliths and vertebrae), to be used in determining the age ... . Yearly growth marks in vertebrae preparations for the age groups observed usually appear as two dark ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Автор(ы): Kochkin, P.N.

7. Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects

   described. The methods are demonstrated using catch and effort data from two commercial D. eleginoides ... distribution, random vessel effects and random stratum-by-year effects Abstract / Description:  The current ... standardised CPUE estimates and their precision can be obtained from the ‘fishing year’ parameter estimates ... as a result of the imbalance in the number of hauls in the year-by-vessel cross-classification ... Normal quantilesNormal quantiles P ea rs on re si du al s 100 80 60 40 20 0 ... as i-d ev ia nc e, -2 Q + 0.5 1.0 1.5 2.0 25 80 00 26 00 00 26 20 00 26 40 00 26 60 00 ... 20 30 40 50 -0 .6 -0 .4 -0 .2 0. 0 0. 2 0. 4 0. 6 Ship index R an do n ef fe ct e st ... im at e 0 10 20 30 ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Автор(ы): Candy, S.G

8. Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989

   mainly focused on the search for exploitable krill aggregations. Two research vessels were simultaneously ... involved in the survey with one vessel conducting commercial krill fishing. The whole survey area from the ... coast to approximately 64°S between 130° and 150°E was subdivided into three subareas taking into ... 65°30'S. The location of areas where krill aggregations were observed is shown in Figures 2 to 4 ... of 2. Krill aggregations were mostregularly observed between 64°30'-65°33'S, and 131°30'-133°oo'E ... 1986 50 12.2 1000 50.0 20 to 21 April 3 1986 300 3.5 158 47.5 24 to 30 April 4 1987 127 14.0 1510 ... : Assessments ofkrill resources for subarea ill (64°40' to 66°20'S, 143° to 1500 E). Sequential Period of Area ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Автор(ы): Dolzhenkov, V.N. and V.P.Timonin

9. A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty

   specify growth, mortality, age-dependent selectivity and seasonal patterns in fishing mortality. Results ... ) 1.21 I 0 10 20 30 40 50 60 Length (mm) Selectivity (b) 1.6 1 1 0 2 4 6 Age (years) Relative ... biomass. Probability of depletion was assessed using two methods: one described in this paper ( S ... Uncertainty (a) Run 1 Biomass (thousand tonnes) Recruits (millions) 0 10 20 30 40 50 Years (b) Run 2 ... using two methods: one described in this paper ( ) and the other as described in Butterworth et al ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Автор(ы): Constable, A. and W.K. de la Mare

10. Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks (Subarea 48.3)

    (Subarea 48.3) Abstract / Description:  Data on age composition of catches and fishing efforts for 1979/80 ... commercially taken age groups (2-4 years); (b) Fishing intensity in the predicted period is at the level of ... 1987/88; (c) Fishing intensity in the predicted period is F 0.1. In the first two cases TAC is 12.3 ... 160 thousand tonnes when the Gamma method was used (actual values of first and second age groups ... on age composition of catches and fishing efforts for 1979/80-1987/88 were used to analyse N ... age groups (2-4 years); ( b) Fishing intensity in the predicted period is at the level of 1987/88 ... individuals of different age, in different years. Age composition of catches (specimens). Fishing ... ; ( c ) Fishing intensity in the predicted period is FO.1• In the first two cases TAG is 12.3-12.7 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 53-68 : Автор(ы): Shust, K. and R. Borodin

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