Résultats de la recherche

1. 1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 (South Georgia)

   /88 collected by Soviet scientists. VPA tuning has been made by the Laurec-Shepherd method (1985 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 15–27 : Auteur(s): Frolkina, Zh.A. and P. Gasyukov

2. Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf

   for Patagonian rockcod (Patagonotothen guntheri shagensis) were calculated by using age and length ... mortality rate was assessed by six different methods and was within a range of 0.63 to 1.06. The mean value ... calculated by using age and length-weight data of research and fishery survey cruises in the Shag Rocks ... area from 1978 to 1986. The natural mortality rate was assessed by six different methods and was ... composition of P.g. shagensis populations obtained by the Soviet research and exploratory ships over the ... age of P.g. shagensis for harvesting. The calculation of natural mortality rates was carried out by ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Auteur(s): Shlibanov, V.I.

3. Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and Prydz Bay

   research activities be co-ordinated by participating CCAMLR Members. The overall program should be co ... -ordinated and supervised by the CCAMLR Scientific Committee. File:  19-USSR.pdf ... sampling techniques should be standardized and that all research activities be co-ordinated by ... participating CCAMLR Members. The overall program should be co-ordinated and supervised by the CCAMLR ... species, but also feeds on fish larvae. Data on prey species should be collected by a standard type of ... by CCAMLR (SC-CAMLR-IV paragraph 5.9). - 360 - 2.3 Observations on Predator Species ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Auteur(s): USSR

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

   superba), followed by the amphipod hyperiid Themisto gaudichaudii, was the main food item around South ... surveys by the Dr Eduardo L. Holinberg from 1994 to 1997, high proportions of fish had empty stomachs, a ... phenomenon which could be caused by several concurrent factors. The variation of the diet according to the ... occurrence (F%) and dietary coefficient (Q%) methods. Krill (Euphausia superba), followed by the amphipod ... consistent pattern from year to year. Likewise, in the four surveys by the Dr Eduardo L. Holinberg from 1994 ... to 1997, high proportions of fish had empty stomachs, a phenomenon which could be caused by several ... surveys were organised and sponsored by the 'Instituto Antartico Argentino' in conjunction with the ...

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

5. Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass

   biomass by acoustic techniques is dependent on a number of factors of which one of the most fundamental is ... -reported by 2.8 dB, leading in turn to an under-estimation of krill biomass by 52.5%. Every effort should ... Abstract Accurate estimation of krill biomass by acoustic techniques is dependent on a number of factors ... settings, then integrated 120 kHz echo signals would be under-reported by 2.8 dB, leading in turn to an ... under-estimation of krill biomass by 52.5%. Every effort should therefore be made to ensure that ... gain applied by system electronics in some echosounders (Simmonds, 1990), the possible effects of ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Auteur(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe

6. Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data

   paper, I show how data that are routinely collected by survey vessels can be used to estimate the number ... . Sample computations are performed, using data collected by Soviet research/survey vessels in the early ... SEARCH DATA M. Mangel Abstract In this paper, I show how data that are routinely collected by ... collected by Soviet research/survey vessels in the early 1980s. These examples highlight the need for a ... supported by the analysis of field data (Levin et al., 1989); the notation used in the models will be ... research vessel data routinely collected by the Soviet Union could be used to estimate the number of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Auteur(s): Mangel, M.

7. Size compositions of males and females in the course of the life cycle of Euphausia superba

   of Euphausia superba populations by sex and its seasonal variability. In this paper variations in ... during the reproductive cycle. Information on size composition by sex is considered to be vital for an ... not pay attention to differences in size composition of Euphausia superba populations by sex and its ... composition by sex is considered to be vital for an understanding of krill population structure. It is ... surrounded by smaller uniform-sized cells) (mc). The succession of events in the E. superba population was ... considered by observing stages of maturity in males and females as indicators of reproductive cycle stages ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Auteur(s): Makarov, R.R.

8. Do krill and salps compete? Contrary evidence from the krill fisheries

   / Description:  Salp by-catch and krill discolouration ('green' krill) caused by active feeding on ... Salp by-catch and krill discolouration ('green' krill) caused by active feeding on phytoplankton were ... . Keywords: krill, feeding, phytoplankton, krill fishery, salps, by-catch, competition, CCAMLR INTRODUCTION ... during early spring by salp blooms could deprive krill of sufficient food and retard krill gonadal ... the Japanese krill trawlers have accumulated a large amount of data on salp by-catch and on the ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Auteur(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare

9. A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem

   amount of meso- and macroplankton consumed by myctophids indicates high abundance and biomass of these ... fishes. According to a preliminary estimate, the yearly consumption of zooplankton by Electrona ... - and macroplankton consumed by myctophids indicates high abundance and biomass of these fishes ... . According to a preliminary estimate, the yearly consumption of zooplankton by Electrona carlsbergi ranges ... of research undertaken by VNIRO (All-Russia Research Institute of Marine Fisheries and Oceanography ... undertaken by VNIRO and other national research institutes. Published results of studies carried out by ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Auteur(s): Kozlov, A.N

10. An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters

    could be biased. By using an iteration algorithm it is possible to overcome this limitation. The age ... that age distribution derived from the model is not significantly different from the one obtained by ... could be biased. By using an iteration algorithm it is possible to overcome this limitation. The age ... that age distribution derived from the model is not significantly different from the one obtained by ... . 1934. On the calculation of age distribution within a stock of cod by means of relatively few age ... . eleginoides catches obtained by using iterative and traditional methods. List of Figures Age/length ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Auteur(s): Robotham, V. H. and Z. Young U.

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