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Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)
single animal insonifications. For mean length classes in the range [29.6, 36.2] mm the median single ... -animal target strengths are in the range [-76.7,-71.8] dB. Monte Carlo computer simulations were used to ... also presented. Author(s): Pauly, T., Penrose, J.D. Title: Laboratory target strength measurements of ...
Meeting Document : WG-EMM-97/75 : Автор(ы): Pauly, T., Penrose, J.D.
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Growth models for D. eleginoides for the Heard Island plateau region (Division 58.5.2) calibrated from otolith-based length at age data and validated using mark-recapture data
sample that were older than 20 years the general trend in the data of length with age did not exhibit ... unadjusted model. We also tried fixing the t0 and L? parameters of the VB model to give age zero length of 30 ... trawls for seasons where both fishing methods were used. Due to the small number of fish in the aged ... lengths from this VB curve and the 2-segment linear model were almost identical. Author(s): S.G. Candy, T ...
Meeting Document : WG-FSA-05/64 Rev. 1 : Автор(ы): S.G. Candy, T. Lamb, A.J. Constable and R. Williams (Australia)
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Rajid by-catch in the longline fishery for toothfish in Subarea 48.3
Rocks and South Georgia, achieved average catch rates of over 1 ray/thousand hooks, and 20-30 rays ... / thousand toothfish. Catch rates were lowest to the south and east of South Georgia. The two species most ... was 65-69cm for males and 80-84cm for females, for B. murrayi was 65-69cm and 70-74cm for males and ... females respectively. Author(s): D.J. Agnew, J. Taylor and I. Everson (United Kingdom) Title: Rajid by ...
Meeting Document : WG-FSA-99/40 : Автор(ы): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)
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Development of the Southern Ocean Continuous Plankton Recorder survey
the 1925–1927 Discovery Expedition, and has been used successfully for 70 years to monitor plankton in ... the North Sea and North Atlantic Ocean. Sixty-five years later the CPR as a Type II version returned ... from 60°E to 160°E, and south from about 48°S to the Antarctic coast—an area of more than 14 million ... interpret the Australian data. Since 1991, over 90 tows have been made, providing over 36,000 nautical miles ...
Meeting Document : WS-BSO-07/P4 : Автор(ы): Hosie, G., M. Fukuchi and S. Kawaguchi
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CCAMLR conservation measures: a review
steady rate of approximately one new element every two to three years. Elements include access to ... fishery conservation measures. These alternatives are proposed in CCAMLR-XX/20. Author(s): Secretariat ... force for a period of one year only. Other conservation measures include specifications for protecting ... . This review allowed the development of two alternative approaches for simplifying the drafting of ...
Meeting Document : CCAMLR-XX/BG/04 : Автор(ы): Secretariat
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Biological characteristics of Antarctic fish stocks in the Southern Scotia Arc region
final maturation of the gonads takes one year or more whereas in others gonad maturation is completed ... within one season. Length at sexual maturity and length at first spawning in C. gunnari is one year later ... to 1989/90, with its heydays from 1977/78 to 1981/82. Except for Elephant Island, the state of fish ... catches in the first four years of the fishery and the possibility to sample these catches extensively ...
Meeting Document : WG-FSA-99/16 : Автор(ы): K.-H. Kock (Germany), C. Jones (USA) and S. Wilhelms (Germany)
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Report on attendance at the Sixth Meeting of the Committee for Environmental Protection Under the Madrid Protocol
) The CEP received two Working Papers concerning various aspects of Bioprospecting in Antarctica. One ... Protected Area (SPA) completed. This year the CEP approved several plans and it was noted that two (ASPA ... containing three options. ”Having regard to the provisions of Articles 4 and 5 of the Protocol, and Article 7 ... References. One of these is to: “Seek the advice of SCAR, CCAMLR, COMNAP and other expert bodies, as ...
Meeting Document : CCAMLR-XXII/BG/11 : Автор(ы): Chair of the CCAMLR Scientific Committee
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Competition-mediated prey availability drives Adélie penguin (Pygocelis adeliae) chick size, mass and condition at colonies of differing size in the southern Ross Sea
interactions between them, is a key component in understanding the factors driving changes in animal ... presence of two giant icebergs from 2001 to 2005 increased sea ice concentrations, reducing adult foraging ... food webs may affect changes in Adélie penguin populations in the Ross Sea and elsewhere. Author(s ... Zealand), D.G. Ainley, K. Dugger, S. Jennings (USA), A. Lescroël (France) and P.R. Wilson (New Zealand ...
Meeting Document : WG-EMM-13/31 : Автор(ы): A.L. Whitehead (Australia), P. O’B. Lyver (New Zealand), G. Ballard (USA), K. Barton, B.J. Karl (New Zealand), D.G. Ainley, K. Dugger, S. Jennings (USA), A. Lescroël (France) and P.R. Wilson (New Zealand)
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Comparative studies on the biological and acoustical properties of krill aggregations (Euphausia superba Dana) samples during the XIII Italian Expedition to the Ross Sea (December 1997–January 1998)
recordings during the hauls. The surveyed area extended from 71° to 76°039; S in latitude and from 164° E ... sphere method, is 20-100 times higher than the one estimated from the catch. The geographical biomass ... period of year. Author(s): M. Azzali, J. Kalinoswki, G. Lanciani and I. Leonori (Italy) Title ... catch data and the one obtained by processing acoustic data, acquired during the net sampling; (2) to ...
Meeting Document : WG-EMM-00/39 : Автор(ы): M. Azzali, J. Kalinoswki, G. Lanciani and I. Leonori (Italy)
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KRILL CONSUMPTION ESTIMATES FOR CRABEATER SEALS AT THE ANTARCTIC PENINSULA AND THE WESTERN WEDDELL SEA WITH SPECIAL REFERENCE TO SSMUS OF AREA 48.1
Antarctic Peninsula and western Weddell Sea region (90° to 30° W and 60° to 80° S), with special reference ... bioenergetic model specifically developed for crabeater seals. Author(s): J. Forcada and P.N. Trathan (United ...
Meeting Document : WG-EMM-09/21 : Автор(ы): J. Forcada and P.N. Trathan (United Kingdom)
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