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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 ... austral summers of 1991/92 and 1992/93 are described and compared with information from previous years ... . The general distribution of krill length and maturity classes conformed to previous descriptions and ... CCAMLR Science, Vol. 1: 7-33 STATUS OF THE KRILL STOCK ... patterns in the vicinity of Elephant Island during the austral summers of 1991/92 and 1992/93 are ... described and compared with information from previous years. The general distribution of krill length and ... of the krill stocks in the Antarctic Peninsula region. The length frequency distributions and ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Autor(es): Loeb, V. and V. Siegel
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An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters
Paper Title: An iterative model to construct an age/length key to assess the age composition of a ... estimation of age composition of catch requires that age/length data and random length frequency have been ... sampled from the same population. If such sampling is not possible the estimates of the age distribution ... composition of catch for Dissostichus eleginoides was obtained with the application of a single age/length key ... estimation of age composition of catch requires that age/length data and random length frequency have been ... sampled from the same population. If such sampling is not possible the estimates of the age distribution ... composition of catch for Dissostichus eZeginoides was obtained with the application of a single age/length ... Diego Portales. BIBLIOGRAFIA AKAMINE, T. and Y. MATSUMIYA. 1992. Mathematical analysis of age-length ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Autor(es): Robotham, V. H. and Z. Young U.
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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 : Autor(es): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart
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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 : Autor(es): Shlibanov, V.I.
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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 : Autor(es): Macchi, G.J. and E.R. Barrera-Oro
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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 : Autor(es): Hewitt, R.P. and D.A. Demer
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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 : Autor(es): Kawaguchi, S. and S.G. Candy
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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 : Autor(es): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli
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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 : Autor(es): Kochkin, P.N.
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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 : Autor(es): Gerasimova, O.V.