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1. Modelling krill recruitment

   other parameters consistent with the observed proportional recruitment parameters. A procedure is given ... for generating families of recruitment functions which are consistent with the statistical uncertainty ... method includes the calculation of natural mortality and other parameters consistent with the observed ... which are consistent with the statistical uncertainty in the observed recruitment parameters. Resume ... size over the range of interest, the recruitment is a random variable with constant mean and variance ... , that is the recruitments over a series of years are independent, identically distributed random ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 49–54 : Autor(es): W.K. de la Mare

2. Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)

   different classes (countries, types of vessel, fishing gear, months and years). Multiple regression is used ... Numbers: 3 2 10 10 Year Total Catch Catch Rate Prop. Mean SE Effort 1981 29464 0.249 2.083 0.765 ... gear, months and years). Multiple regression is used to solve the model and the resultant yearly ... effort for a number of years of fishing are used as additional information (Pope and Shepherd, 1985 ... fishing was at first carried out by means of bottom trawls, in recent years midwater trawls have been ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Autor(es): Gasiukov, P.S.

3. The use of predator-derived krill length-frequency distributions to calculate krill target strength

   from land-based predators directly with automated on-board data collection systems it will be possible ... with acoustic surveys of krill). In a year such as 1994, when krill length at South Georgia changed ... simultaneous length-frequency data. By integrating data from land-based predators directly with automated on ... with research cruises. There is increasing evidence that both the population structure and ... , yet krill availability measured later in the breeding season may not appear anomalously low. Given ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 155–163 : Autor(es): Reid, K. and A.S. Brierley

4. Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds

   commercial fishery, with a nominal mesh size A = 80 mm and A = 100 mm, made of double twines with a thickness ... sufficiently good level seems possible as a result of the application of webbing with permanently open meshes ... for codend construction. The most difficult matter will be preparing a codend with proper selectivity ... of 100 mm was tested. 3 . MATERIALS AND METHOD Steelon codends with a four-wall, oblique ... top down to the middle of its height with a cover having relatively small meshes (mesh bar 20 mm ... codend only from the part equipped with the cover. They were later trapped in the end parts of the cover ... carried out for two types of steelon codends used in commercial fishery, with a nominal mesh size A = 80 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Autor(es): Zaucha, J.

5. Estimating optimal observer coverage in the Antarctic krill fishery

   . The South Georgia data suggest that such strategies should be pursued for at least four years before ... , it was treated to a Box- Cox power transform of the form ij ijy z (3) with transformation ... of λ values, with the log- likelihood recorded for each fit. The value λ = 3 was chosen as that ... untransformed data, and for various cumulative combinations of years from 2002 onwards. The results (Figure 3 ... -3 2002-4 2002-5 2002-6 2002-7 2002-8 Years included in model V ar ia nc e ra tio b et w ee ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Autor(es): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

6. Possible effects of different levels of krill fishing on predators – some initial modelling attempts

   fluctuations together with preliminary information on adult survival and breeding success patterns for certain ... duration, using equation (3). The distribution of NIK,, in year 200 then provides the stochastic analog ... variability, the figure actually used was the average of the medians over the last 50 years of the 200-year ... recruitment (from both individual growth and births, with a three-year time lag corresponding roughly to the ... considering a krill dynamics model incorporating recruitment fluctuations together with preliminary ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Autor(es): Butterworth, D.S. and R.B. Thomson

7. Preliminary model of krill fishery behaviour in Subarea 48.1

   restricted to the four months December to March, compares favourably with the historical distribution of ... Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... during alternate years. File:  06agnew-marin.pdf ... compares well with the mean distribution of all catches in the study area over the years 1988 to 1992 as ... Livingston Island. Table 3: Distribution of catches predicted by the model with unrestricted fishing for ... restricted to the four months December to March, compares favourably with the historical distribution of ... Livingston and Elephant Islands in alternate years would result in an average yearly catch similar to that ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Autor(es): Agnew, D.J. and V.H. Marín

8. Assessment of krill flux factors in waters of South Orkney Islands during summer 1996

   a product of two variables integrated over the depth range 0 to 200 m: krill density (g/m 3) and ... water mass transport (m 3 /sec) per nautical mile of the study area boundary. Also given are the results ... study area  perimeter. Mean krill transport rate was 7.2 tonnes/hour/n mile with a standard deviation of ... tonnes/hour/n mile with a standard deviation of 15.5 tonnes/hour/n mile. Significant variability of ... MOPR y 3 ~ ~ e n n a . n o n ~ r o ~ BKnmuan B ce6x yqacTKa, Ha KOTOP~IX paHbure ~a6nmnanacb ... ~ b I n O n l l ~ O H ~ O ~ e H M B ~ n O C b K ~ K n ~ O M 3 B e f l e H M e ~ B y X B e ~ M ~ M H ... / ~ ? ) m pacxoaa B O A ~ I (M~/c) qepe3 1 MHnm rpaHMUbI IIOJIllTOHa. n o ~ a 3 a ~ b I pe3ynbTaTbI ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 195–204 : Autor(es): Kasatkina, S.M., V.N. Shnar, M.I. Polischuk, A.M. Abramov and V.A. Sushin

9. Some principles for fisheries regulation from an ecosystem perspective

   and related species', that is; the a~imals with which man enters into competition for their food ... 'conservation' includes rational use 3. Any harvesting and associated activities in the area to which this ... Convention applies shall be conducted in accordance with the provisions of this Convention and with the ... marine ecosystem and of the effects of environmental changes, with the aim of making possible the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 323-339 : Autor(es): de la Mare, W.K.

10. Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996

    from 1978/79 to 1988/89, with most of the commercial harvesting taking place in the first two years of ... , with most of the commercial harvesting taking place in the first two years of the fishery. Results of ... catches during the 1981 survey. They were still present in similar numbers two years later (Figure 2 ... ) which were 5 to 8 years old (Kock, 1991 - Figure 3 0 ) . No representative length composition was ... and C. aceratus (Tables 3, 5 and 6). However, with the exception of C. aceratus, there is no ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Autor(es): Kock, K.-H

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