Search results
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Seabird mortality in the longline fishery for Patagonian toothfish at the Prince Edward Islands: 1996–1997
. This paper summarizes the mortality of seabirds associated with this fishery during the year July 1996-June ... ). However, the total fishing effort is estimated, based on landings, to be between 20 and 50 million hooks ... and Yellow-nosed Albatrosses T. chlororhynchos (together 23 %), and giant petrels Macronectes spp ... . (4 %). Extrapolating to the total fishery suggests that between 5 000 and 20 000 birds were killed during 1996-97 ...
Meeting Document : WG-FSA-97/51 : Author(s): Boix-Hinzen, C., Enticott, J.W., Ryan, P.G., Wanless, R., Purves, M., Nel, D.C.
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Spatial distribution of foraging by female Antarctic fur seals
the same pattern of travel. There was no detectable difference in this behavior among years when there were ... at which the offspring was being raised. When this constraint was removed at the end of lactation, females ... they forage intensively. However, mean consumption was about one-tenth of the mean density of krill. Author ... the same pattern of travel. There was no detectable difference in this behavior among years when there were ...
Meeting Document : WG-EMM-01/26 : Author(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia
studies; the pattern of fish consumption showed a consistent seasonal pattern in three of the four years ... and together constituted 94% of the total estimated biomass of fish consumed. The intra and inter-annual ... the entire pup-rearing periods of several years. Author(s): Arnould, J.P.Y., Reid, K. Title: The diet ... studies; the pattern of fish consumption showed a consistent seasonal pattern in three of the four years ...
Meeting Document : WG-EMM-95/28 : Author(s): Arnould, J.P.Y., Reid, K.
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Results of E.L. Holmberg 1995 fish survey in Subarea 48.3
comparison between both cruises. Of these, 20 hauls were located at less than 0.5 miles and 11 between 0.5 ... aggregation of stations in a nested ANOVA model. An increase over last year's values was observed ... of the younger fraction (below 4 years: 99.3% at the South Georgia Islands and 93.4 % at Shag Rocks). Along ... . Plankton samples contained krill more often than last year and an hydroacoustical survey for krill which ...
Meeting Document : WG-FSA-95/35 : Author(s): Marschoff, E., Madirolas, A., Balestrini, C., Tossonotto, G., Gonzalez, B., Calcagno, J.
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Comparing two and three frequency dB window identification techniques for estimating Antarctic krill density
of krill targets was carried out using different permutations of two and three-frequency windows. Density ... -frequency window. Author(s): S. Fielding Title: Comparing two and three frequency dB window identification ... targets was carried out using different permutations of two and three-frequency windows. Density ... Comparing two and three frequency dB window identification techniques for estimating Antarctic ...
Meeting Document : SG-ASAM-18/01 : Author(s): S. Fielding
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Further investigations in the assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13
. That R3 be chosen as the base case model for providing management advice for the 2014/15 fishing year once ... ) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13 Approval: Approved ... as the base case model for providing management advice for the 2014/15 fishing year once it has been updated ... 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13 ...
Meeting Document : WG-SAM-14/29 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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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
at South Georgia. This raises questions as to the appropriateness of the current range of natural mortality ... that the variability of recruitment at Heard Island is much greater than originally estimated and that, in recent years ... important area for 7 to 8 year old fish in the Heard Island region. Careful thought will need to be given ... to how best to manage a stock that aggregates in this manner while still juvenile and with some years ...
Meeting Document : WG-FSA-99/68 : Author(s): A.J. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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Long-term change in zooplankton communities of the Southern Ocean between 1997 and 2018: implications for fisheries and ecosystems
-CPR) between 1991 and 2018. We analysed SO-CPR measurements in relation to satellite and oceanographic ... observations over the period 1997–2018. These environmental data were: phytoplankton biomass, primary ... –0.83% per year averaged across the Southern Ocean, and with much higher rates of increase in some ... have not changed or decreased in area between 1998 and 2018, whereas the main Polar Frontal communities ...
Meeting Document : WG-EMM-2019/66 : Author(s): M.H. Pinkerton, M. Decima, J. Kitchener, K. Takahashi, K. Robinson, R. Stewart and G.W. Hosie
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Integrated analysis of the by-catch data in the Ross Sea toothfish fishery
significant varied across years and by SSMU and among longline gear types. The spatial-temporal heterogeneity ... the estimates of by-catch in the Ross Sea in the context of achieving the objectives of the CCAMLR Article II ... ratios significant varied across years and by SSMU and among longline gear types. The spatial ... in the Ross Sea in the context of achieving the objectives of the CCAMLR Article II the following activities ...
Meeting Document : WG-FSA-16/13 Rev. 1 : Author(s): S. Kasatkina
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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
, the number of entanglements increased by 56% compared to last year and the majority of injuries were ... % compared to last year and was the lowest number of entanglements recorded since the first observations were ... . As in 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 ...
Meeting Document : SC-CAMLR-XXIII/BG/14 : Author(s): Delegation of the United Kingdom