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Комиссия по сохранению морских живых ресурсов Антарктики

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  1. Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89

    maximum, for the last nine seasons the total fishing intensity by the USSR around Elephant Island has been ... (north of Elephant Island) and start searching for krill concentrations; (ii) krill concentrations are ... km/day (11 to 13 cm/sec). An analysis of the location of fishing grounds by five-day periods showed ... drifted northeast for about 105 to 120 n miles (194 to 222 km) from 1 to 20 December 1988 (Figures 6a to ... ) ( tonneslhour) 1988: 21 to 25 November 333 6.6 50.4 3.60 26 to 30 November 1636 29.4 55.6 3.50 Total for ... 90.8 5.28 16 to 20 March 965 13.7 70.4 5.40 21 to 25 March 706 14.0 50.4 3.95 Total for March 7401 ... WG-CEMP-92/30 LOCATION AND INTENSITY OF THE SOVIET ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Автор(ы): Sushin, V.A. and A.S. Myskov

  2. Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass

    method for correcting this bias in the level of escapement. The GYM uses an unbiased estimate of the ... for estimating yields according to decision rules that relate spawning stock status to the median ... unexploited spawning biomass. These models are used in order to account for uncertainty in the biological ... model as a basis for setting catch limits in the krill fishery, while the GYM is used for assessing ... and for three levels of y - 0.15, 0.2 and 0.4. Projections for 20 years and 30 years were undertaken ... perio . Table 2: Escapement of spawning biomass at the end of 20 and 30-year projections for different ... spawning biomass after 20 and 30 years relative to median So in each run with no fishing was 1.099 and ... : The probability of depleting the spawning biomass during 20-year projections for different levels of y ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Автор(ы): Constable, A.J. and W.K. de la Mare

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

    ): an intrusive layer of Pacific derived relatively warm-salty water near 300 meters depth and deeper ... speculated that mixing of Weddell and Pacific waters near the tip of the Antarctic Peninsula is an important ... for an ideal area for study of the relationship of krill to its environment. ACKNOWLEDGEI'vENTS ... l'Atlas de I'ocean Austral pour la zone: 50°-65° S et 20°-90° O. Cinq groupes de donnees du navire de ... no 50°-65° 10. ill. M 20°-90° 3.,ll., no ,llaHHbIM IO)l(HOOKeaHM4ecKoro aTJIaCa 3a .HHBapb M ... febrero del Atlas del Oceano Austral para la region: 50°-65° S y 20°-90°0. Cinco agrupamientos de los ...

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

  4. Directed research. Antarctic Marine Living Resources (AMLR). A program development plan

    research vessel capable of operating in Antarctic waters for a period of 180 days each year. Note: The full ... program providing information needed for US policy regarding the conservation and management of the marine ... in the Commission and Scientific Committee of the Convention for the Conservation of Antarctic Marine ... Living Resources (CCAMLR), which established the system for managing the living resources of the ... of 180 days each year. Note The full text of this paper was published under the above title by ... (AMLR) Program is a national program providing information needed for U.S. policy regarding the ... for the Conservation of Antarctic Marine Living Resources (CCAMLR), which established the system for ... , was signed into law by President Reagan on November 8, 1984, implementing the CCAMLR for the United ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Автор(ы): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)

  5. Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults

    penguins (Eudyptes chrysolophus) over 26 years, as there was also for eastern rockhopper (E. chrysocome ... filholi) over 22 years, suggesting that overwintering conditions may influence the proportions of birds ... breeding. For both species the time of arrival of females for breeding, and for rockhopper penguins the ... strongly correlated for macaroni penguins than for rockhopper penguins. Macaroni penguins have a greater ... (Eudyptes chrysolophus) over 26 years, as there was also for eastern rockhopper (E. chrysocome filholi ... Huin, 2003; Puetz et al., 2003). For some of these decreases, an altered availability of food brought ... penguins have been monitored annually at three localities since 1979/80. For rockhopper penguins, numbers ... stand- ard deviation (SD). All years for which data were available were given equal weighting. The ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Автор(ы): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill

  6. Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?

    fishing for redfish (Sebastes mari- nus), tusk (Brosme brosme) and ling (Molva molva) inside and outside ... observers on New Zealand vessels from the Ross Sea Antarctic toothfish longline fisher- ies to look for ... were required to report the total catch (in litres or kg) of VME indicator taxa for each segment2 of ... longlining method (see Fenaughty, 2006, for a detailed description). Observer data were linked with catch ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 87–96 : Автор(ы): Parker, S.J. and M.H. Smith

  7. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

    ), as a function of the fraction of the biomass estimate which is set as the catch for a 20-year period ... et al. (1992) put forward an extension of the harvesting model of Beddington and Cooke (1983) to ... over the ranges of uncertainty for a number of model parameters. Results are provided for the ... a summer harvest. However, the imposition of an upper bound of 1.5 yr-1 on the effective annual ... biomass estimate which is set as the catch for a 20-year period. Three possible fishing seasons are ... drawn at random from pre-specified distributions for each simulation of a 20-year period of harvesting ... any year, an upper bound of 1.5 yr-l is placed on the effective annual fishing mortality for fully ... ) requested that statistics be provided for a 10- as well as a 20-year period of harvesting. Calculations ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Автор(ы): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew

  8. Potential impacts of bottom trawling on benthic communities in Prydz Bay, Antarctica

    unfished areas in the South Atlantic and suggested that bottom trawling in the past 20 years has had a ... tomar medidas que salvaguarden su integridad. 1. INTRODUCTION In the last 10 years, a number of ... (e.g., De Groot, 1984; Hutchings 1990). On the basis of published data on benthos in the Antarctic ... wide with a headline height of 4 to 5 m. Nets were towed for a standard haul duration on the bottom of ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 403–410 : Автор(ы): Constable, A.J.

  9. Homogeneity of body length composition of Antarctic krill within the commercial zone

    =163 x=51.7 20 30 40 50 60 Length (mm) Figure 2: Comparisons of kriU length compositions for ... x=47.2 20 Data set 2* 30 40 50 Length (mm) 60 15 10 5 n=182 x=48.7 n=187 x ... " 10 CD x=38.9 x=37.5 l0- w.. 5 0 20 30 4D 50 60 Data set 53* Data set 49** ..-.. 15 ~ n ... .. 10 x=42.0 x=44.5 5 0 20 30 40 50 60 Length (mm) Leng t h (mm) Figure 2 (continued) 24 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Автор(ы): Ichii, T.

  10. Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean

    were 0.38, 0.36 and 0.33 for the above areas respectively. These values are comparable with those ... derived for most notothenioids. File:  11-Zaitsev.pdf ... empirical relationship between M and age at maturity for most fish (tn) where 50 or 70% of a population ... on the Ob and Lena Banks these were 6.6 and 6.2 years respectively, while for the Kerguelen Islands ... were established to be 5.9, 5.2 and 7.6 years. The value for M in the Kerguelen Islands area is ... (T m), comprising not less than 0.5% of the total sample (Babayan et al., 1984). For an exploited ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Автор(ы): Zaitsev, A.K.

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