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  1. Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area

    year classes arising from spawning in the 1999/2000 and 2000/01 split-years. The mean width of daily ... year class lasted four months. This was estimated based on a retrospective count of daily increments ... . TL varied from 5.5 to 10.4 cm for fish in their first year (120–250 days) to 12.5–13.3 cm in 1-year ... fish between consecutive year classes. File:  10shcherbich.pdf ... the year is de- fi ned as the period from 1 July to 30 June of the next year (Shcherbich, 1975). From ... ) and 2000/01 (20 specimens) split-years. The 1999/2000 year class included 1-year-old fi sh (1+), which ... survey of juveniles in February–March 2002 on the South Georgia shelf. Juvenile fi sh comprised two year ... classes arising from spawning in the 1999/2000 and 2000/01 split-years. The mean width of daily otolith ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Author(s): Shcherbich, L.V

  2. Toothfish, Dissostichus eleginoides, at South Georgia

    :  The Dissostichus eleginoides fishery at South Georgia has expanded greatly in recent years. It has been claimed ... The Dissostichus eleginoides fishery at South Georgia has expanded greatly in recent years. It has ... Georgia has expanded greatly in recent years. It has been claimed that the exploited fish are senescent ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 255–261 : Author(s): Everson, I. and S. Campbell

  3. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

    in some of its traditional fishing grounds during years of low krill availability. Under all five options ... years of low krill availability. Under all five options there would be little effect on the existing ... monitoring, the fi shery would be restricted in some of its traditional fi shing grounds during years of low ... distribution throughout the year, or between years. Furthermore, estimates of stand- ing stock do not include ... may change from year to year and that an index may have some predictive value in estimating krill ... dramatically from ca. 500 000 tonnes per year to ca. 100 000 tonnes per year. These data are listed in Table ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Author(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

  4. Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set

    OKeaHa H MOpR CKOTH.H 30HOH pa3nHqHOH WHpHHbI (OT 1 0 ~o 100 KM.) , KOTOPYIO nyqlIIe Bcero ... , 236 H 250), qTO, nO-BH~HMOMY, CB.H3aHO C Me30MacwTaoHbIMH CTpYKTypaMH. KOHlPnI03HU;HR Y3~~enna ... to the mesoscale activity. In summary (see Figure 1): The Weddell-Scotia Confluence brings together waters ... front of Antarctica. The Discovery data of the 1920's and '30's also shows the invasion of Pacific deep ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Author(s): Gordon, A.L.

  5. Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean

    identified as Brachioteuthis riisei. In recent years (1978-1984) the collection was increased by two or three ... as Brachioteuthis riisei. In recent years (1978-1984) the collection was increased by two or three dozen specimens ... . 125 specimens of that total were identified as Brachioteuthis riisei. In recent years (1978-1984 ... of the Southern Ocean than all other groups of marine animals which usually occur in this vast region or migrate ... with midwater hauls in the Southern Ocean during studies carried out by the Soviet Union in the years 1965 ... (Fiiippova, Yukhov, 1979). In recent years ( 1978-1984), the collection was increased by two or three do%en ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Author(s): Lubimova, T.G.

  6. Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates

    variability of the recapture rates are accounted for in the calculation by using CCAMLR Science, Vol. 20 ... on 1 December each year, and ends when the quota has been fully caught which, in recent years, has been ... fishing events. The space window used was a circle with a radius of 20 km, centred on the location ... in- vestigated. The space window of 20 km was chosen because this value corresponded to the maximum 75 ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Author(s): Mormede, S. and A. Dunn

  7. Integration of CPUE data into assessments using the Generalised Yield Model

    / Description:  For the last three years, CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has ... For the last three years, CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has accorded ... in the final year and of the proportion of times the spawning stock biomass (SSB) fell below 20% of its pre ... three years, CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has accorded high priority ... ). B n a ~ ~ o i i c r a T b e n p e a n a r a e T c x M e T o n n K n I o u e H I 4 z r l t ~ @ O p ~ a u ~ i t l 0 TeHAeHut iRX CTEiHHapTE.i'30BaHHOTO CPUE B OUeHKM G Y - ~ 0 n e n l . i . M e ~ o n OCHOBaH ... , CCAMLR INTRODUCTION For several years CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Author(s): Kirkwood, G.P. and A.J. Constable

  8. Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993

    for the years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based ... density over the 13-year period were 1 703 x  103 tonnes and 53.2 g/ 2. File:  01hewitt-demer.pdf ... Acoustic estimates of krill biomass in the vicinity of Elephant Island are presented for the years ... ) and biomass densities range from 2.5 g/m2 to 134.5 g/m2. Average biomass and average density over the 13-year ... in the vicinity of Elephant Island are presented for the years 1981 to 1993 (with the exception of 1982 and 1986 ... g/m2. Average biomass and average density over the 13-year period were 1 703 X 103 tonnes and 53.2 ... at 120 kHz using the modal krill lengths for each of the surveys (30 mm and 41 mm). Klindt's biomass ... and average density over the 13-year period was l 703 X 10"onnes and 53.2 g/m2. The lowest estimate ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Author(s): Hewitt, R.P. and D.A. Demer

  9. Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000

    0 0 1 3 5 7 9 11 13 15 (c) 0.00 10.00 20.00 30.00 40.00 50.00 3 9 15 21 27 fre qu en cy ... ,% Fr eq ue nc y (% ) 50 40 30 20 10 0 3 9 15 ... 21 27 (b) 0 5 10 15 20 25 30 0 0.75 1.75 2.75 3.75 4.75 5.75 Fr eq ue nc ... y, % Ln, 30 25 20 15 10 5 0 Fr eq ue nc y (% ) 0 0.75 1.75 2.75 ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Author(s): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky

  10. Results of fish stock assessment survey, South Georgia, December 1987 - January 1988

    cm)(Figure 5c). Only 20 individuals greater than 30 cm were collected. 3.7 Dissostichus ... e 1 2 1 0 c 8 e n 6 t 4 2 0 ( c) 6 P 5 e 4 r c 3 e n 2 t 1 0 0 0 Champsocephalus gunnari total length frequency (n=19366) 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 Length ... Class (cm) ! Pseudochaenichthys georg ianus total length frequency (n=2588) 5 10 15 20 25 30 35 ... (n=8586) 10 15 20 25 30 35 40 45 50 55 60 65 70 75 Length Class (cm) Figure 3: ( a) Length frequency ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 19-52 : Author(s): McKenna, Jr., J.E. and S.B. Saila

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