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  1. Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer

    Paper Title:  Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the ... 1986/87 austral summer Abstract / Description:  A survey of Antarctic fur seals in the South Shetland ... population recovery and recolonization of rookery sites following 19th Century commercial exploitation ... . Twelve fur seal pupping sites were identified, some of which had not previously been reported. The ... - 427 - SC-CAMLR-VI/BG/18 (WG-CEMP-87!7) SURVEY OF ... . 8engtson, L.M. Ferm, T.J. Harkonen, E.G. Schaner, 8.S. Stewart (USA, Sweden) Abstract A survey of ... that this species is continuing its population recovery and recolonization of rookery sites following ... 19th Century commercial exploitation. Twelve fur seal pupping sites were identified, some of which had ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Автор(ы): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart

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

    Paper Title:  Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri ... shagensis) from Shag Rocks shelf Abstract / Description:  The parameters of Bertalanffy’s growth equation ... -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 within a range of 0.63 to 1.06. The mean value ... WG-FSA-89/18 GROWTH AND NATURAL MORTALITY OF PATAGONIAN ... parameters of Bertalanffy's growth equation for Patagonian rockcod (Patagonothen guntheri shagensis) were ... calculated by using age and length-weight data of research and fishery survey cruises in the Shag Rocks ... within a range of 0.63 to 1.06. The mean value of natural mortality M=0.8 was used in calculations and ...

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

  3. Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands

    Paper Title:  Histological study on the ovarian development of mackerel icefish (Champsocephalus ... South Georgia and Shag Rocks areas in February and March 1994. Six phases of oocyte development were ... described macroscopically for various species of Channichthyidae. Stage six includes ovaries undergoing ... generalised regression was found, which was observed in 41% of mature fish. A high proportion of juvenile ... O N THE OVARIAN DEVELOPMENT OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARn FROM THE SOUTH GEORGIA ... Eduardo L. Holrnberg in the South Georgia and Shag Rocks areas in February and March 1994. Six phases of ... stages correspond with those described macroscopically for various species of Channichthyidae. Stage six ... oocytes; in others a generalised regression was found, which was observed in 41% of mature fish. A high ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Автор(ы): Macchi, G.J. and E.R. Barrera-Oro

  4. Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993

    Paper Title:  Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993 Abstract ... / Description:  Acoustic estimates of krill biomass in the vicinity of Elephant Island are presented for the ... years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based on ... previous reports adjusted for the recently proposed definition of krill target strength (Greene et al ... CCAMLR Science, Vol. 1: 1-5 ACOUSTIC ESTIMATES OF KRILL ... Jolla, California 92038, USA D.A. Demer Scripps Institution of Oceanography La Jolla, California ... 92093, USA (Supported by the Hertz Foundation) Abstract Acoustic estimates of krill biomass in the ... vicinity of Elephant Island are presented for the years 1981 to 1993 (with the exception of 1982 and 1986 ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Автор(ы): Hewitt, R.P. and D.A. Demer

  5. Quantifying movement behaviour of vessels in the Antarctic krill fishery

    Paper Title:  Quantifying movement behaviour of vessels in the Antarctic krill fishery Abstract ... / Description:  Ten years of recent fine-scale haul-by-haul krill data were used to characterise the behaviour ... of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed a ... number of fishing grounds within this area. The same patterns were observed for vessels from other ... Quantifying movement behaviour of vessels in the antarctic krill fishery S. Kawaguchi and S.G. Candy ... Australian Antarctic Division Department of the Environment, Water, Heritage and the Arts Channel Highway ... Kingston, Tasmania 7050 Australia Email – so.kawaguchi@aad.gov.au Abstract Ten years of recent fine ... -scale haul-by-haul krill data were used to characterise the behaviour of the krill fishery. Analysis of ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Автор(ы): Kawaguchi, S. and S.G. Candy

  6. Observations on haul-out patterns and trends in the breeding populations of southern elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo - King George I.)

    Paper Title:  Observations on haul-out patterns and trends in the breeding populations of southern ... intrinsic population growth rate is positive. In 1982, at Stranger Point, a sharp decrease of the female ... component of the population was observed (r=-56.54%). The recovery of the population at Stranger Point, and ... the global increase at Península Valdés, indicate the good condition of these populations. File:  21 ... PATTERNS AND TRENDS IN THE BREEDING POPULATIONS OF SOUTHERN ELEPHANT SEAL AT PENINSULA VALDES (PATAGONIA ... decrease of the female component of the population was observed (r=-56.54%). The recovery of the ... population_at Stranger Point, and the global increase at Peninsula Valdes, indicate the good condition of ... PATTERNS AND TRENDS IN THE BREEDING POPULATIONS OF SOUTHERN ELEPHANT SEAL AT PENINSULA VALDES ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Автор(ы): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli

  7. Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990

    Paper Title:  Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken ... the status of the Champsocephalus gunnari stock in the South Georgia area. In February 1990 the size ... composition of catches taken by Akademik Knipovich had three peaks corresponding to size groups of 16-18, 24 ... 9+ were present in catches. Two peaks in size composition correspond with fish of the 1987 and 1985 ... WG-FSA-90/33 AGE DETERMINATION OF CHAMPSOCEPHALUS ... RV Hill Cove and RV Akademik Knipovich to study the status of the ChampsocephaZus gunnari stock in ... the South Georgia area. In February 1990 the size composition of catches taken by Akademik Knipovich ... had three peaks corresponding to size groups of 16-18, 24-26 and 30-34 cm. Only vertebra samples (n ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Автор(ы): Kochkin, P.N.

  8. Feeding and food intake of Electrona carlsbergi (Tåning, 1932) Myctophidae

    Paper Title:  Feeding and food intake of Electrona carlsbergi (Tåning, 1932) Myctophidae Abstract ... by various methods was from 3.7 to 5.6% of fish body weight. The amount of food consumed by E ... . carlsbergi during the year in the waters to the south of the Antarctic Convergence is about 15 times fish ... WG-FSA-90/18 o FEEDING AND FOOD INTAKE OF ELECTRONA ... carlsbergi feeds mainly on copepods. Daily food intake estimated by various methods was from 3.7 to 5.6% of ... fish body weight. The amount of food consumed by E. carlsbergi during the year in the waters to the ... south of the Antarctic Convergence is about 15 times fish body weight. Resume En ete et automne ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 411–416 : Автор(ы): Gerasimova, O.V.

  9. Mitigation of seabird captures during hauling in CCAMLR longline fisheries

    Paper Title:  Mitigation of seabird captures during hauling in CCAMLR longline fisheries Abstract ... as 1994/95 when steps were taken to reduce the attraction of seabirds to vessels during the hauling ... process. Since 2003, increased efforts have been made to improve the design and performance of bird ... suggest that there are two key aspects of effective BEDs, firstly that they provide a deterrent to ... MITIGATION OF SEABIRD CAPTURES DURING HAULING IN CCAMLR LONGLINE FISHERIES E. Reid BirdLife International ... of Birds Sandy, Bedfordshire SG19 2DL United Kingdom Email – ben.sullivan@rspb.org.uk J. Clark ... the attraction of seabirds to vessels during the hauling process. Since 2003, increased efforts have ... been made to improve the design and performance of bird exclusion devices (BEDs) placed around the ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Автор(ы): Reid, E., B. Sullivan and J. Clark

  10. Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone

    Paper Title:  Length-based assessments revisited – why stock status and fishing mortality of long ... / Description:  In many of CCAMLR’s new and exploratory fisheries, stock assessment techniques are still in ... development. The failure of the tag-recapture program to provide robust assessments in many areas and doubts ... and fishing mortality from length-frequency data alone. In this paper, a number of length-based stock ... CCAMLR aims to ensure that the development of a new and exploratory fishery does not occur faster than ... the Commission is able to achieve the objectives of Article II, notably maintaining stable ... recruitment of the fished populations and minimise the risk of ecosystem changes that are not revers- ible ... over two or three decades (Constable et al., 2000). At the core of this approach are rules for ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Автор(ы): Ziegler, P.E., D.C. Welsford and A.J. Constable

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