Resultados de la búsqueda
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Are penguins and seals in competition for Antarctic krill at South Georgia?
1989 and 2000. Foraging ranges of the two species showed considerable overlap in both years but the ... years of krill scarcity. Author(s): K.E. Barlow, I.L. Boyd, J.P. Croxall, K. Reid, U.J. Staniland and ... , respectively, the main mammal and bird consumers of Antarctic krill (Euphausia superba). In recent years the ... spatial separation of the Bird Island populations of these two species whilst at sea during the breeding ...
Meeting Document : WG-EMM-02/22 : Autor(es): K.E. Barlow, I.L. Boyd, J.P. Croxall, K. Reid, U.J. Staniland and A.S. Brierley (United Kingdom)
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Sources of variance in studies of krill population genetics
taken within one region. This has important implications for the design of future studies of krill ... ’S 68º55’W) in January 1999 (austral summer). Two samples (n = 59, 47) were collected from the ... Mertz Glacier Polynya (66º23’S 145º54’E; 66º29’S 146º1’E) during September 1999 (winter). One sample ... 94ºC for 2 min to denature template DNA, followed by thermal cycling at 94ºC 20 s, 43ºC 1 min and ... 98 6 4 al lo zy m e lo ci 20 2, 1 90 , 1 97 , 1 96 , 1 89 , 1 98 N o d if fe ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 107–116 : Autor(es): Jarman, S.N. and S. Nicol
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Relationship between Antarctic krill (Euphausia superba) variability and westerly fluctuations and ozone depletion in the Antarctic Peninsula area
/1997. The strength of westerlies was significantly related to recruitment of 1-year-old krill (1039 ... and the strength of westerlies during 1982–1998. Years with strong westerlies during the austral ... summer season resulted in high krill recruitment in 1987/1988, 1990/1991, and 1994/1995, while the years ... and/or indirectly on the variability in krill density. Author(s): M. Naganobu, K. Kutsuwada, Y. Sasai ...
Meeting Document : WG-EMM-99/52 : Autor(es): M. Naganobu, K. Kutsuwada, Y. Sasai and T. Taguchi (Japan) and V. Siegel (Germany)
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Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)
(Latitude 68°49039;S), and from the Bellingshausen Sea (70°38039;S) to Clarence and Elephant Islands (61 ... °14039;S), while Patagonian toothfish (Dissostichus eleginoides) were caught in waters from King ... George Island in the South Pacific Ocean (61°24039;S) to the Scotia Sea in the South Atlantic (58°03 ... 039;S). Yields of Dissostichus spp. were very low in the three subareas, with values of only 5.7 g ... . However, the results obtained make it possible to identify two fish groups in the study area. One group ... (70°38'S), while D. eleginoides was caught to the north of 61°30'S, and also around the South Orkney ... results obtained from five longline sets in the Antarctic region (60°53'-61'58's and 54'47'-60°20'W) at ... . Male 1 60 17 Female W 50 m - E 40 2 30 20 10 0 0 1 2 3 4 Repletion index Figure 6 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Autor(es): Arana, P.M. and R. Vega
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Estimation of the energy and prey requirements of predators breeding on the South Shetland Islands
Author(s): D.A. Croll (USA) Title: Estimation of the energy and prey requirements of predators ...
Meeting Document : WG-CEMP-90/30 Rev. 1 : Autor(es): D.A. Croll (USA)
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Foraging location and range of white-chinned petrels Procellaria aequinoctialis breeding in the south Atlantic
night (47%) was the same. Mean (31–34 km/h) and maximum (80 km/h) flight velocities were similar during ... locations were between 30° to 55°W and 52° to 60°W around South Georgia, Shag Rocks and south to the South ... mortality rate in South Atlantic long-line fisheries. Author(s): S.D. Berrow, A.G. Wood and P.A. Prince ...
Meeting Document : WG-FSA-01/25 : Autor(es): S.D. Berrow, A.G. Wood and P.A. Prince (United Kingdom)
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Conservation Measure Conservation Measure 10-10 (2015)
to the objective of the Convention, Noting Article XXI of the Convention which requires Contracting ... with Article X of the Convention, the Commission has undertaken to draw the attention of all ... following conservation measure in accordance with Article IX of the Convention: 1. Draft CCAMLR ... information relevant to the compliance issues raised in its report. This may include, but is not limited to ...
Conservation Measure : 10-10 (2015)
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Assessing data requirements for tag-based estimates of local biomass in data-poor and exploratory fisheries
achieving the same level of accuracy to 80%, a minimum of 20 tagged fish recaptures were required when ... Block to determine when it is appropriate to use a tag-based estimate of biomass. Author(s): L ...
Meeting Document : WG-SAM-17/13 : Autor(es): L. Robinson, P. Burch and K. Reid
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Beach litter survey Signy Island, South Orkney Islands, 1992/93
recovered fell by 80% and the number of items recovered by 83% over the three year survey period. At the ... same beach over the three years the numbers of polypropylene packaging bands fell by 93%. The results ... designed to protect the Southern Ocean environment. Author(s): Delegation of United Kingdom Title: Beach ...
Meeting Document : CCAMLR-XII/BG/07 : Autor(es): Delegation of United Kingdom
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Size variations associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
years in the same area. Author(s): E. Marschoff and E. Barrera-Oro (Argentina) Title: Size variations ... strongly associated with the last significant catches of fin-fish in the Subarea 48.1 in 1979/80 and could ... interpreted as a consequence of a significant reduction in the influx of the youngest age classes into inshore ...
Meeting Document : WG-FSA-91/13 : Autor(es): E. Marschoff and E. Barrera-Oro (Argentina)