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1. Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl

   14.80 25.50 77.90 64.83 DISCUSSION AND CONCLUSION Lower c 1 95.20 65.40 0.29 62.84 Up ... er K 90.60 131.90 237.80 143.47 Data analysis confirmed current theories about krill ... d; 276.40 207.80 0.88 148.22 Sushin and Shulgovsky 60" 55" 50" 45" 40" 35" 30" Figure 5: Surface ... geostrophic currents (relative to the 1 000 dbar), 20 January to 9 March 1988. 60" 55" 50" 45" 40" 35" 30 ... /84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs ... according to the standard method for Isaacs-Kidd midwater trawls operating in the layer 0 to 100 m. Overall ... , 48.2 and 48.3) and for the whole study area. Survey results confirm current understanding of the ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Author(s): Sushin, V.A. and K.E. Shulgovsky

2. Age and growth of Antarctic euphausiacea (crustacea) under natural conditions

   Paper Title:  Age and growth of Antarctic euphausiacea (crustacea) under natural conditions ... Age and growth of Antarctic euphausiacea (crustacea) under natural conditions ... Peninsula and the south-eastern Weddell Sea. Life spans range from two years for Euphausia frigida to six ... years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... - 369 - SC-CAMLR-VI/BG/24 AGE AND GRcwrH OF ANTARCTIC ... 3TOi TOQKH 3peHHH. SbIn 3aHOBO npoaHanH3HpoBaH ce30HHbli POCT AnH BHAa Euphausia triacantha ... and the south-eastern Weddell Sea. Life spans range from two years for Euphausia frigida to six years ... triacantha, and a three-year life span proposed. Male Euphausia cr¥stallorophias have a shorter life span ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 369-370 : Author(s): Siegel, V.

3. A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3

   Na,y rates by age and fishing year, where terminal fishing mortality rates and fishing mortality ... rates for the oldest age group by fishing year are estimated by the tuning algorithm; (iv) mean ... ,y) a+ 1,y+ 1 - a,ye where Sa is selectivity at age a ; Fy is total fishing mortality at year y; Y = 1,2 ... initial data are required: ak - number of age groups; Yk - number of fishing years; M - natural ... Paper Title:  A simulation study of the method of deriving natural mortality rate using data for ... been correctly chosen. Data for Champsocephalus gunnari in Subarea 48.3 are used to show that the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Author(s): Gasyukov, P.S. and R.S. Dorovskikh

4. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

   of at least 90%, the area- specific biomasses of harvested species must remain above 20% of their respective ... from control theory (Cunningham and CCAMLR Science, Vol. 20 (2013): 119–137 119 A potentIAl ... feedbAck ApproAch to ecosystem-bAsed mAnAgement: model predIctIve control of the AntArctIc krIll ... of dynamic systems. WG-EMM’s broad definition of feedback management encom- passes various control ... Control (MPC) to achieve objectives for a harvested species, its predators and the fishery, in a ... also useful for assessing the feasibility of candidate management policies or objectives, and ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Author(s): Hill, S.L. and M. Cannon

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

   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 ... for the current year (TACy’) as described in the next section which specifies the MP. 4. The numbers-at-age ... are made. 5. Given the catch-at-age Cy’,a for longliners, the mean length ( 'y ) of toothfish for year ... catches made. An MP with control parameter values specified is proposed for implementation based on the ... results of the trials. Given the importance of an adequate catch rate for the economic viability of the ... Paper Title:  A proposed management procedure for the toothfish (Dissostichus eleginoides ... ‘Optimistic’, ‘Intermediate’, ‘Less Pessimistic’ and a ‘Pessimistic’ current status for the resource are ...

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

6. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

   pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were tagged ... tags have been recovered from a high seas area on the Patagonian Shelf at 42°S after about one year ... at liberty from one to two years. Four fish were tagged and recaptured from the same longline vessel in 2002 ... seas area on the Patagonian Shelf at 42°S after about one year at liberty from some opportunistic ... 80 100 120 (a) Males Age Le ng th (c m ) 2 4 6 8 10 12 14 40 60 80 100 120 (a) Females ... Age Le ng th (c m ) 6 8 10 12 14 40 60 80 100 120 (b) Males Age Le ng th ... (c m ) 6 8 10 12 14 40 60 80 100 120 (b) Females Age Le ng th (c m ) 6 8 10 12 14 40 60 80 100 ... 120 (c) Males Age Le ng th (c m ) 6 8 10 12 14 40 60 80 100 120 (c) Females Marlow et al ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Author(s): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

7. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   not been validated. The maximum estimated age was 14 years, but this should be regarded as a conservative ... L t is the pelvic length (PL) in centimetres at age t years. Applying this growth curve to the estimated lengths ... not been validated. The maximum estimated age was 14 years, but this should be regarded as a conservative ... is the pelvic length (PL) in centimetres at age t years. Applying this growth curve to the estimated lengths ... validated. The maximum estimated age was 14 years, but this should be regarded as a conservative estimate ... (PL) in centimetres at age t years. Applying this growth curve to the estimated lengths at maturity ... for males and females (64 and 66–69 cm PL respectively) produced estimated ages at maturity of 6–7 years ... for males and 8–11 years for females. These estimates are near the middle to upper end of the range of ages ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Author(s): Francis, M.P. and C. Ó Maolagáin

8. Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory

   day –1, which is too slow to support the hypothesised 2-year life-span of this animal in the field ... food concentration. Note: The full text of this paper will be published under the above title in Polar ... krill was calculated to be 0.047 mm day–1, which is too slow to support the hypothesised 2-year ... life-span of this animal in the field. Growth conditions of krill in the Southern Ocean are discussed ... to support the hypothesised 2-year life-span of this animal in the field. Growth conditions of krill ... : The full text of this paper will be published under the above title in Polar Biology (1987) INTERVALLE ... trop lent pour - 224 - supporter l' hypothese de longevite de 2 ans de cet te espece en mer. Les ... demasiado lenta para mantener la duracion de vlda de dos anos postulada para este animal en la region. Se ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Author(s): Ikeda, T. and P.G. Thomas

9. Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.

   0– 18 5 11 0– 18 0 7. 9 (2 .3 ) 6. 0 (2 .3 ) Ta bl e 2: G on ad st ag es ... as on Se x (N o. o f s am pl es ) G on ad st ag e (% ) I II II I IV V D . e le ... ) and the Patagonian Shelf (Laptikhovsky and Brickle, 2005). Age determination from otoliths is necessary to detect ... 90 –1 80 7. 8 (2 .7 ) 5. 3 (2 .3 ) 30 D ec –1 9 Fe b 20 07 /0 8 21 66 69 ... . mawsoni on BANZARE Bank is similar to that hypothesised for the Ross Sea population with analogous ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Author(s): Taki, K., M. Kiyota, T. Ichii and T. Iwami

10. Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)

    . Age-at-sexual maturity was estimated to be about 2 years for females and 2.5 years for males. Like ... consisted mainly of adult individuals between 1 and 3 years of age, with very few older fish.   File ... . The estimated age range was 1–5 years for males and 1–4 years for females of C. wilsoni. Applying ... and 0.81 for females and 32.7 and 0.68 for males. Age-at-sexual maturity was estimated to be about 2 years ... 20 25 30 35 40 0 1 2 3 4 5 6 Age (years) To ta l l en gt h (c m ) a(a) Age (years ... 5 0 0 1 2 3 4 5 6 0 5 10 15 20 25 30 35 40 0 1 2 3 4 5 6 Age (years) To ta l l en gt h (c m ) b(b) Age (years ... Islands. Age (years) Females Males TL (cm) 1 2 3 4 1 2 3 4 5 18 1 19 2 2 20 ... 25 27 29 31 33 35 35 30 25 20 15 10 5 0 127 Age and growth ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Author(s): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock

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