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1. Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey

   will improve with better knowledge of trawl catch ability and krill distribution patterns. A comparative ... (density) of krill in the catch is expressed in g/m2 or g/m3 at the point of trawling (converted to unit ... by the trawl over a standard hauling period; mq - mean catch per standard hauling period T; P - trawl ... of mean catch per standard hauling period T; - relative error in estimate of trawl catchability ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Author(s): Kasatkina, S.M.

2. Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia

   in the 1960s and large-scale catches have been reported from 1970 onwards. Everson (1978) indicates ... that large-scale fishing may have taken place prior to 1970, although details of catches prior to that date ... but for which the age was indeterminable. These 'unaged' fish came from the total catch and consequently ... significant bias (Kimura, 1977). With such limited datasets there is little alternative but to accept what ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Author(s): Everson, I

3. Cephalopod research in the Antarctic

   (1985, 1986) and Rodhouse (in press a). These data, although very limited, suggest distinct patterns ... catch will have to be set in any future fishery so that the yield to predators is maintained ... fully and scientific information from such activities should be maximised. Catch and effort data, based ... commercial catches should be emphasized. Considerable benefit to science and commerce would be derived ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Author(s): Rodhouse, P.G.

4. CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island

   'W and between 61°30'S and 62°30'S (Figure 1). Two kinds of CPUEs, catch/tow and catch/towing time (minute ... routinely since the 1987/88 season. Only those catches in which animals showed greenness to the extent ... . There was no significant difference in both catch/tow and catch/towing time among 10-day periods from early January ... A, Figures 3 and 4). Catch/tow values showed little change during the fishing season. Trawlers which mainly ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Author(s): Endo, Y. and T. Ichii

5. Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   ). The characteristics of these data and limitations, such as cloud cover and high solar zenith angle, are discussed ... ). The characteristics of these data and limitations, such as cloud cover and high solar zenith angle, are discussed ... ) and the Medium Resolution Imaging Spectrometer (MERIS). The characteristics of these data and limitations ... the limitations of the VGPM imposed by the large errors in PBopt, it has become highly regarded because it works ... this information in NPP algorithms. Right now, mostly as a result of a limited in situ data foundation from which ... and Carder, 1990). Nutrient and light limitation were incorporated via a resource limitation term. Light ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Author(s): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear

6. A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies

   sh- ing, assuming that the length-bin frequencies of catch-at-age are multinomially distributed ... –age frequency data in the complete catch rather than just the aged random subsample. The diffi culty ... . The length bin (or strata as defi ned by Jewell, 1985) lower limits for subsampling the random LF data ... , and refl ects the limited range of both length-at-release and days-at-liberty in the data and the lack ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Author(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams

7. Results of fish stock assessment survey, South Georgia region, November - December 1986

   recommended minimization of by-catch of N. rossii in other fisheries. 1 Colleagues Dr Jozef Sosinski, Sea ... of Cumberland fjords (stratum 2) accounted for over 65% of the total biomass caught. Catch per tow (kg ... of zero catches and the similarity to a log-normal distribution of the non-zero catches, biomass ... occurred at 97% of the South Georgia stations and 73% of the Shag Rock stations. Largest catches were ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Author(s): Gabriel, W.L.

8. 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 ... area was assessed using six different methods. Data on size composition of catches from 1964/65 to 1968 ... area was assessed using six different methods. Data on size composition of catches from 1964/65 ... and Dorovskikh, 1989) for M. This research was carried out using age/length composition data from catches ... ). . 2. MATERIALS AND METHODS Data on size composition from catches taken from the seasons 1964/65 to 1968/69 were ... Z=M and where Nil = catch of age group a which is fully represented in the catch; and Ell = fishing effort ...

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

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

   composition of the catches, Ca.)!, for a series of years and standardised values of fishing effort Ey ... weighted values of annual fishing mortality, F y, for all age groups fully represented in the catch ... distribution with mean 0 and variance 0;. (5) (6) (7) (8) (9) (10) (11) (ill) The catch ... effort and fishing mortality: (13) where q is catchability factor. (v) Catch-at-age and fishing ...

   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

10. Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean

    of catches are also examined in this paper. On the Ob and Lena Banks this composition is fairly stable ... of catches are also examined in this paper. On the Ob and Lena Banks this composition is fairly stable ... to Bertalanffy's equation. The dynamics of age/length composition of catches are also examined in this paper ... the South-West Atlantic. Age composition of catches over the period under study was determined according ... . According to the catch data (Studenetskaya, 1983), the annual catch of N. squamifrons has exceeded 50 000 ... on the Lena Bank, 10 years on the Ob Bank and 11 years in the Kerguelen area. 5. AGE/LENGTH CATCH ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Author(s): Zaitsev, A.K.

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