Search results
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Quantitative stock survey and some biological and morphometric characteristics of the deep-sea red crab Geryon quinquedens off south west Africa
bimodal frequency distribution of female crabs was evident with modal sizes at 7.7 cm and 8.7 cm carapace ... densities occurred at depths of 472-849 m, whereas unusually high concentrations were encountered during two ... trawls at water depths of 549 and 590 m. The red crab survives at extremely low levels of dissolved ... Abstract: In order to assess the abundance of the red crab Geryon quinquedens, two otter-trawl ...
Meeting Document : WS-CRAB-93/22 : Author(s): C.J. De B. Beyers and C.G. Wilke (South Africa)
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New data on depths inhabited by striped-eyed rock cod Lepidonotothen kempi (Norman) (Nototheniidae) off Bouvet Island
Abstract: In 2010 on the southern slope of Bouvet Island, I found L. kempi at still greater depth ... Antarctic toothfish caught at depths of 1500–1900 m. In the second case at 54°32′7 S and 03°46′8 W, three ... specimens of striped-eyed rock cod were caught (one female and two males) at a depth of 2033 m. Author(s ... in the course of fishery for toothfish onboard of 1 Insung Korean longliner. In the first case ...
Meeting Document : WG-FSA-11/P02 : Author(s): A.F. Petrov
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A proposal for the establishment of a Ross Sea Region Marine Protected Area
discussions and comments regarding the Ross Sea Region MPA proposal at the recent meetings of the Scientific ... Abstract: The delegations of New Zealand and the United States submit this revised proposal for ... the establishment of a marine protected area (MPA) in the Ross Sea Region (“Ross Sea Region Marine ... Protected Area”) by the Commission for the Conservation of Antarctic Marine Living Resources (Commission or ...
Meeting Document : CCAMLR-XXXIII/21 : Author(s): Delegations of New Zealand and the USA
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FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLAND (HIMI) BENTHIC INVERTEBRATES
Committee requested that guides be prepared for the identification of benthic organisms (SC-CAMLR-XXVI ... identifications and also to assist in the identification of vulnerable areas, the Scientific Committee requested ...
Meeting Document : WG-FSA-08/59 : Author(s): T. Hibberd and K. Moore (Australia)
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IMPROVING ESTIMATES OF ADÉLIE PENGUIN BREEDING POPULATION SIZE: DEVELOPING FACTORS TO ADJUST ONE-OFF POPULATION COUNTS FOR AVAILABILITY BIAS
Abstract: It is widely recognised that the interpretation of counts of penguin populations at ... the collection of adjustment data. This was recognised at the recent Predator Survey workshop, where ... season at which they are undertaken. While the need to adjust raw penguin count data obtained at varying ... times within a breeding season to minimise bias in estimates of the breeding population has long been ...
Meeting Document : WG-EMM-09/38 : Author(s): C. Southwell, J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery (Australia)
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Revision of biological and population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a comprehensive survey of fishing grounds and recruitment areas in the region
of Dissostichus eleginoides at Heard Island in the southern Indian Ocean and South Georgia Island in ... slower growing than those at South Georgia. This raises questions as to the appropriateness of the ... current range of natural mortality used in the assessment of yield at Heard Island. The revised estimates ... of recruitment indicate that the variability of recruitment at Heard Island is much greater than ...
Meeting Document : WG-FSA-99/68 : Author(s): A.J. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides
of 3800 tonnes. Of 21 otoliths found in Elephant Seal stomachs at Heard Island that have previously ... these otoliths. The importance of Dissostichus eleginoides as prey of the Elephant seals at Heard Island ... Abstract: The Patagonian toothfish, Dissostichus eleginoides, has been reported as prey of ... Elephant seals in the Heard Island region. A question was raised at SC-CAMLR-XV concerning what affect the ...
Meeting Document : WG-EMM-97/42 : Author(s): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.
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Linking acoustic scattering coefficient to krill fishery data: feasibility of estimating krill abundance using fishing survey
thinner than that at night. At the depth of over 100 m, the average NASC during the daytime is higher than ... ecosystems and supports different levels of predators. It is also an important economic species for Antarctic ... between the acoustic scattering coefficient of krill swarms and catch, catch per unit effort (CPUE), catch ... per unit fishing area (CPUA) were studied for better understanding the feasibility of assessing krill ...
Meeting Document : WG-EMM-17/44 : Author(s): T. Wang, G.P. Zhu, J.F. Tong and L.X. Xu
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Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector
analysed were at age 2 to the west of 35°W and 3 yr old specimens, the portion of which made up to 40% in ... fish at age 1+ (to 75%) being noted in separate catches. Essential distinctions in a nature of the ... somewhat higher,with the highest increment being observed at the 1st and 2nd years of life. Limiting age ... become mature at the 3rd year of life at 85-89 mm length. Determined differences of the length–age and ...
Meeting Document : WG-FSA-90/21 : Author(s): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)
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Krill biomass and distribution variability in Subarea 48.3 in June 1991
Abstract: Temporal and spatial variability of krill distribution features was investigated at the ... statistical parameters of swarms at polygon varied insignificantly from survey to survey, while the swarm ... at polygon suggests the impulsive nature of krill enter and exit out of the polygon due to its ... velocity of krill swarms displacement corresponds to the estimated water transport velocity at the polygon ...
Meeting Document : WG-CEMP-92/35 : Author(s): S.M. Kasatkina, E.I. Timokhin, P.P. Fedulov and K.E. Shulgovskiy (Russian Federation)