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Length-age composition of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Island area
this period were located in the west shelf area (48°30’- 49°30’S and 66°50’- 67°20’E). Total catch was ... concentrated in the north shelf area (47°10’- 47°30’S and 66°50’- 67°20’E). Total catch was about 5.2 x 103 ... fluctuate considerably, mean fish length was 76.0- 86.6 cm. Fish of two to 14 years old age groups were most ... abundant in catches, mean age was 8.2- 9.8 years. In the 1991/92 season fishing for the species was ...
Meeting Document : WG-FSA-92/08 : Автор(ы): V.G. Prutko and V.N. Chikov (Ukraine)
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Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation
and video footage from several Antarctic krill were carried out to determine the effect of animal ... Classification (CMVC) approach, using generic and animal-specific theoretical and empirical model spaces. The ... animal-specific empirical model space was best able to invert for angle of orientation. The CMVC ... orientation based on broadband echoes from individual zooplankton in the field. Author(s): L.V. Martin ...
Meeting Document : WG-EMM-99/41 : Автор(ы): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2002 winter and 2002/03 breeding season
years, most individuals observed entangled in debris were juveniles (88% of winter and 81% of summer ... observations), the reasons for this are discussed. Of the entanglements where the animal could be sexed, males ... the potential to entangle wildlife at sea. Author(s): Delegation of the United Kingdom Title ... reported here. The overall number of entanglements showed a decrease from last year of 55% in winter and 67 ...
Meeting Document : SC-CAMLR-XXII/BG/11 : Автор(ы): Delegation of the United Kingdom
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Joint research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand
proposal is for an additional 3 years covering the period 2018, 2019 and 2020. It is designed to build on ... previously been released on the slope, whilst also prospecting two of the northern seamount complexes and two ... between the two vessels, to collect data on the spatial and depth distributions of bycatch species, and to ... trial electronic monitoring using video cameras. Author(s): Delegations of the Republic of Korea and ...
Meeting Document : WG-FSA-17/40 : Автор(ы): Delegations of the Republic of Korea and New Zealand
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Managing fisheries to conserve the Antarctic marine ecosystem: practical implementation of the Convention on the Conservation of Antarctic Marine Living Resources (CCAMLR)
decimated in the first two years of the fishery following catches of about 500,000t. Two other species have ... Resources (CCAMLR) was agreed in 1980 to take a broad 039;ecosystem approach039; to management. As part ... management measures can be adjusted in sufficient time to ensure the objectives are met. Attention is given ...
Meeting Document : SC-CAMLR-XVIII/BG/26
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Diving pattern and performance in nonbreeding gentoo penguins (Pygoscelis papua) during winter
patterns, averaging 10-20 m at dawn and dusk and 70-90 m at midday. These results are consistent with the ... were bimodal. Shallow dives (30 m; 55% of total number and 81% of dive time) averaged 74-105 m and 2.7 ... were followed by surface intervals two to three times dive duration. Deep dives showed clear diel ... similar to that of chick-rearing birds. The only major differences are that foraging-trip frequency is 20 ...
Meeting Document : WG-CEMP-92/37 : Автор(ы): T.D. Williams (United Kingdom), A. Kato (Japan), J.P. Croxall (United Kingdom), Y. Naito (Japan), D.R. Briggs, S. Rodwell and T.R. Barton (United Kingdom)
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The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)
Shetland Islands ceased after the 1989/90 season. One of the larger and most abundant species in the area ... perturbations on a fish stock by recruitment failure as one of them. Data from the 1980’s and 1990’s (1983, 1985 ... ’s. In 2012, the proportion of immature fish (<30 cm) in the population was less than 10 ... caused a number of years of very low recruitment around Elephant Island and the lower South Shetland ...
Meeting Document : WG-FSA-12/20 : Автор(ы): K.-H. Kock (Germany) and C.D. Jones (USA)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2003 winter and 2003/04 breeding season
previous years, most individuals observed entangled in debris were juveniles (79% of winter and 55% of ... summer observations). Of the entanglements where the animal could be sexed, males made up the majority in ... . Author(s): Delegation of the United Kingdom Title: Entanglement of Antarctic fur seals (Arctocephalus ... number of entanglements increased by 56% compared to last year and the majority of injuries were ...
Meeting Document : SC-CAMLR-XXIII/BG/14 : Автор(ы): Delegation of the United Kingdom
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An update of the ageing program for Patagonian toothfish (Dissostichus eleginoides) at the Australian Antarctic Division, including a summary of new data available for the Integrated Stock Assessment for the Heard Island and the McDonald Islands fishery (Division 58.5.2)
greater than 20 years) available for use in the current assessment (Ziegler et al., 2014). Author(s ... for identifying otoliths that may have been aged with good precision between the two readers, but may ... program, two readers look at all otoliths, which has proved useful in helping to identify otoliths that ... age. These changes have contributed to increased efficiency within the program, with a greater ...
Meeting Document : WG-FSA-14/45 : Автор(ы): B.M. Farmer, E.J. Woodcock and D.C. Welsford (Australia)
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Aggregation patterns of pelagic predators and their principal prey, Antarctic krill, near South Georgia
differences in foraging strategies. Published in Journal of Animal Ecology (1993) 62, 000-000 Author(s): R.R ... distribution of their principal prey, Antarctic krill Euphausia superba Dana. One novel aspect of our analysis ...
Meeting Document : WG-CEMP-93/13 : Автор(ы): R.R. Veit (USA), E.D. Silverman (USA) and I. Everson (United Kingdom)
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