Resultados de la búsqueda
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): R.R. Veit (USA), E.D. Silverman (USA) and I. Everson (United Kingdom)
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Entanglement of Antarctic fur seals in marine debris at Cape Shirreff and San Telmo Islets, Livingston Island, Antarctica: 1988–1997
entangled animals (four females, one juvenile male, and two pups). The total percentage of entangled animals ... vessels operating in CCAMLR039;s regulated areas of the Southern Ocean, with further instruction of ... in marine debris (neck collars) at SSSI N°32 and CEMP site 039;Cape Shirreff and San Telmo islets ... 039;, Livingston island, Antarctica, obtained during the summer seasons between 1988 and 1997. Our ...
Meeting Document : SC-CAMLR-XVI/BG/33 : Autor(es): Delegation of Chile
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Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season
tended to overestimate for < 30 years, but underestimate for > 30 years, as compared to AAD readers ... fifteen years gave large contribution to the total age groups for both sexes. Females grew at a faster ... of otolith readings by experienced readers of AAD. One of these is that the first ring was generally ... comments. The estimated ages ranged from 5 to 48 years for males and from 4 to 48 years for females. Ten to ...
Meeting Document : WG-FSA-11/16 : Autor(es): K. Taki, T. Iwami and M. Kiyota (Japan)
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A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season
0.21 tonnes. The vessel039;s fishing master had no experience of fishing for icefish and was not well ... Abstract: During the 1 997198 season, one vessel, Chilean registered stern trawler Betanzos ... hauls. 67% of this catch was taken in just two hauls, confirming the patchy distribution of this species ... . Most of the catch was made up of fish between 22 and 30 cm long. Fish of this size range have ...
Meeting Document : WG-FSA-98/53 : Autor(es): G. Parkes, A. King and C. Jones (United Kingdom)