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Commission pour la conservation de la faune et la flore marines de l'Antarctique

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  1. Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90

    Paper Title:  Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea ... fishing ground off the northwestern tip of Coronation Island. CPUE showed variability with a minimum in ... November (3.2 tonnes/hour) and maximums in February and March (9.6 tonnes/hour and 11.0 tonnes/hour ... topographically-induced effects. Except in November 1989, temporally and spatially sustained fishable krill ... THE SOVIET KRILL FISHING FLEET IN THE SOUTH ORKNEYS AREA (SUBAREA 48.2) DURING 198911990 V.A ... minimum in November (3.2 tonnes/hour) and maximums in February and March (9.6 tonnes/hour and 11.0 tonnes ... islands together with topographically-induced effects. Except in November 1989, temporally and spatially ... period the commercial fleet fished over oceanic areas, and targeted krill aggregations found in the ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Auteur(s): Sushin, V.A

  2. Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area

    in the South Georgia area Abstract / Description:  The stocks of Notothenia rossii marmorata and ... Champsocephalus gunnari in the South Georgia area are assessed using USSR age sample data and recent biomass ... estimates from surveys by the FRG. These data indicate that the stock of N. rossii in 1985 was about 2.5% of ... NOTOTHENIA ROSSII MARMORATA AND CHAMPSOCEPHALUS GUNNARI IN THE SOUTH GEORGIA AREA J.G. Cooke (IUCN ... ) Abstract The stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area ... data indicate that the stock of N. rossii in 1985 was about 2.5% of its pre-exploitation biomass ... NOTOTHENIA ROSSII MARMORATA AND CHAMPSOCEPHALUS GUNNARI IN THE SOUTH GEORGIA AREA Justin G. Cooke ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Auteur(s): Cooke, J.G.

  3. Modelling variability and estimating power to detect change in Adélie penguin fledgling weights

    Paper Title:  Modelling variability and estimating power to detect change in Adélie penguin ... fledgling weights Abstract / Description:  Statistical models of variation in Adélie penguin fledgling ... weight data were used to examine the power to detect a change in fledgling weights after an impact. The ... the number of birds weighed in each five-day period from 50 to 30 without substantial loss of power ... Modelling variability and estiMating power to detect change in adélie penguin fledgling weights L.M ... Abstract Statistical models of variation in Adélie penguin fledgling weight data were used to examine the ... power to detect a change in fledgling weights after an impact. The statistical models were developed ... this possibility. Modelling also indicated the potential for reducing the number of birds weighed in ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Auteur(s): Emmerson, L.M., C. Southwell and J. Clarke

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

    Paper Title:  Standardization of fishing effort for Champsocephalus gunnari in the South Georgia ... inflexible in its use of data types and has no estimate of accuracy. A standardized CPUE index for ... Champsocephalus gunnari fishing in Subarea 48.3 is derived using a multiplicative model and data from many ... CHAMPSOCEPHALUS GUNNARI IN THE SOUTH GEORGIA AREA (SUB AREA 48.3) P.S. Gasiukov* Abstract Traditional ... calculation of catch-per-unit-effort series is inflexible in its use of data types and has no estimate of ... accuracy. A standardized CPUE index for Champsocephalus gunnari fishing in Subarea 48.3 is derived using ... ; Frolkina and Gasiukov, 1989). It is known that in order to use the method correctly it is necessary to ...

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

  5. Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory

    concentrations of the diatom Phaenodactylum tricornutum in the laboratory Abstract / Description:  Juvenile ... 0.047 mm day –1, which is too slow to support the hypothesised 2-year life-span of this animal in the ... field. Growth conditions of krill in the Southern Ocean are discussed, with special reference to the ... available food concentration. Note: The full text of this paper will be published under the above title in ... OF JUVENILE ANTARCTIC KRILL FED DIFFERENT CONCENTRATIONS OF THE DIATOM PHAENODACTYLUM TRICORNUTUM IN ... slow to support the hypothesised 2-year life-span of this animal in the field. Growth conditions of ... krill in the Southern Ocean are discussed, with special reference to the available food concentration ... . Note : The full text of this paper will be published under the above title in Polar Biology (1987 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Auteur(s): Ikeda, T. and P.G. Thomas

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

    Paper Title:  A review of the trophic role of mesopelagic fish of the family Myctophidae in the ... myctophids demonstrate that this group of mesopelagic fish plays a significant role in the community of ... carlsbergi ranges from 157 to 364 million tonnes. Myctophids occupy the third level in the Southern Ocean ... TROPHIC ROLE OF MESOPELAGIC FISH OF THE FAMILY MYCTOPHIDAE IN THE SOUTHERN OCEAN ECOSYSTEM A.N. Koz.10 ... demonstrate that this group of mesopelagic fish plays a significant role in the community of Southern Ocean ... from 157 to 364 million tonnes. Myctophids occupy the third level in the Southern Ocean trophic system ... . Myctophids dominate in terms of the number of species, their widespread distribution and the abundance of ...

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

  7. Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)

    Paper Title:  Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides) Abstract ... estimated from reading otoliths in a goodness-of-fit test. The majority of the otoliths (83.6%) were ... observed in the length density represent different age cohorts separated by one year. File:  01ashford.pdf ... . 9 (2002): 1–10 LENGTH-AT-AGE IN JUVENILE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) J ... on length, and compared with ages estimated from reading otoliths in a goodness-of-fi t test. The ... ages. We conclude that the two dominant modes observed in the length density represent different age ... INTRODUCTION In recent years a fi shery for Patagonian tooth- fi sh (Dissostichus eleginoides) has developed ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Auteur(s): Ashford, J., C. Jones, S. Bobko and I. Everson

  8. Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas

    Paper Title:  Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen ... rebuilding of the depleted stocks and improvement in yields. It is desirable that such measures be based on ... average, with the past observations. The simulations may prove useful in comparing observed performance of ... ) SIMULATION OF RECOVERY RATES OF FISH STOCKS IN THE SOUTH GEORGIA AND KERGUELEN ISLANDS AREAS R.C ... generally based on the rebuilding of the depleted stocks and improvement in yields. It is desirable that ... in comparing observed performance of regulations to the expected outcomes from the simulations ... RECOVERY RATES OF FISH STOCKS IN THE SOUTH GEORGIA AND KERGUELEN ISLANDS AREAS I. INTRODUCTION The ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Auteur(s): Hennemuth, R.C., K.D. Bisack and G. Duhamel

  9. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

    Paper Title:  Status of the krill stock around Elephant Island in 1991/92 and 1992/93 Abstract ... / Description:  Krill stock composition and distribution patterns in the vicinity of Elephant Island during the ... appears to be a recurring and predictable aspect of the krill stocks in the Antarctic Peninsula region ... AROUND ELEPHANT ISLAND IN 1991192 AND 1992193 V. Loeb Moss Landing Marine Laboratories PO Box 450 ... patterns in the vicinity of Elephant Island during the austral summers of 1991/92 and 1992/93 are ... of the krill stocks in the Antarctic Peninsula region. The length frequency distributions and ... INTRODUCTION MATERIAL AND METHODS Krill regularly occur in large concentrations in the area around Elephant ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Auteur(s): Loeb, V. and V. Siegel

  10. Midwater trawl catchability in relation to krill and possible ways of assessing gross catch

    Paper Title:  Midwater trawl catchability in relation to krill and possible ways of assessing ... the basis of data obtained from AtlantNIRO expeditions from 1983 to 1990 in the Scotia Sea. A ... midwater trawls in the krill fishery indicates that the potential exists for this efficiency to be ... WG-KRILL-90/22 MIDWATER TRAWL CATCHABILITY IN RELATION ... data obtained from AtlantNIRO expeditions from 1983 to 1990 in the Scotia Sea. A methodology was ... midwater trawls in the krill fishery indicates that the potential exists for this efficiency to be ... es posible aumentarla. 1. IN1RODUCTION Krill is an important element in the Antarctic ecosystem ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Auteur(s): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov

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