Résultats de la recherche
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Composition and vertical distribution of the benthopelagic ichthyofauna of the southern part of the Kerguelen ridge
trawls during the integrated surveys in December 1977 and in January 1978 on Elan Bank consisting of two ... rostrata and Alepocephalus sp. cf. antipodiana. The paper contains an annotated list of species and a brief ... with depth and they were quite abundant. Most abundant on Elan Bank were Macrourus whitsoni, Antimora ...
Meeting Document : WG-FSA-96/13 : Auteur(s): Piotrovsky, A.S.
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EXTRAPOLATING CONTINUOUS PLANKTON RECORDER DATA THROUGH THE SOUTHERN OCEAN USING BOOSTED REGRESSION TREES
estimate abundances of O. similis through the Southern Ocean. We present a number of methods for ... -validation). The area under the ROC for the model predicting presence was 0.77 indicating good discrimination ... , called BRT (Boosted Regression Trees), to data on the distribution of Oithona similis, a small cyclopoid ... be done on a tow by tow basis as there is significant within-tow correlation. (2) Spatial cross ...
Meeting Document : WG-SAM-08/12 : Auteur(s): M.H. Pinkerton, A.N.H. Smith (New Zealand), B. Raymond, G. Hosie (Australia) and B. Sharp (New Zealand)
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The toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2016/17
region are precautionary and we recommend extending the current research plan for 2018 season. No ... in the 2018 season. Catch rates, length frequency data, access to research blocks and Chapman biomass ... estimates for the North and South areas all indicate that the current catch limits in the Amundsen Sea ... validated age data are currently available since 2014 for the North, and for 2014, 2015, and 2017 from the ...
Meeting Document : WG-FSA-17/39 : Auteur(s): S. Parker and S. Mormede
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Circumpolar connections between Antarctic krill (Euphausia superba Dana) populations: Investigating the roles of ocean and sea ice transport
variability has implications for the ecosystem around the island. The inclusion of sea ice motion leads to the ... identification of source regions for the South Georgia krill populations additional to those identified when only ... pathways of krill have until now been on regional scales and have not taken explicit account of sea ice ... Modelling (OCCAM) project model together with satellite-derived sea ice motion vectors to examine the ...
Meeting Document : WG-EMM-07/P10 : Auteur(s): S.E. Thorpe, E.J. Murphy and J.L. Watkins (United Kingdom)
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Results of 2016 pop-off satellite archival tagging of Antarctic toothfish in the Ross Sea region
partial). On the northern seamounts, two of 3 PSAT tags scheduled to pop-off on February 1, 2017 reached ... objectives were to characterize movement and habitat preferences, compare two different commercially ... after the 2015/16 toothfish fishing season had ended. A total of 10 PSAT tags from two manufacturers ... the northern seamounts in the austral winter, for a total of 15 PSAT releases. Of the 10 PSAT releases ...
Meeting Document : WG-SAM-17/33 : Auteur(s): C.D. Jones and S.J. Parker
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Krill density, biomass, proportional recruitment and recruitment index in the elephant island region during the period 1977 to 1997
/95 and an average 1995/96 krill year-class (below average for proportional recruitment, average for ... indices for this time series. New survey results of the past two seasons indicate a very successful 1994 ... Abstract: The Elephant Island long-term data set was updated for krill density and proportional ... absolute recruitment). After a period of low krill density in the area for almost a decade, krill density ...
Meeting Document : WG-EMM-97/29 : Auteur(s): Loeb, V., Siegel, V., Gröger, J.
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Fishery Report: Dissostichus eleginoides Prince Edward Islands South African EEZ (Subareas 58.6 and 58.7)
in any one year. Since 2001/02, only two licensed vessels have been used by these operators in any ... assessment was carried out in 2009. An operational management procedure (OMP) approach for the fishery was ... has voluntarily submitted accurate fine-scale data for all except two seasons (Figure 2) and ... encouraged South Africa to submit fine-scale data for those two seasons. Table 2: Catch history for by ...
Document : Site Section: Publications
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The diet of black-browed albatrosses at the Diego Ramirez Islands, Chile
sampling chick stomach contents during January and February of each year. Reconstituted meal mass was ... -3.7% by mass), which are both fisheries-related species, and the squid Martialia hyadesi (8-20% by ... similar throughout the study, with diet being dominated by fish in all three years. Overall, the main ...
Meeting Document : WG-FSA-03/9 : Auteur(s): J. Arata (Chile) and J.C. Xavier (United Kingdom)
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Fishing equipment, marine debris and oil associated with seabirds at Bird Island, South Georgia, 2003/04
brown skuas was recorded for the first time and was probably attributable to an increase in observer ... decreased substantially since last year. Grey-headed albatross collected the highest number of marine debris ... number of debris items collected. An increase in the amount of debris and fishing items associated with ... such annual report. As in most previous years, more items of fishing gear (mostly longlining gear) were ...
Meeting Document : SC-CAMLR-XXIII/BG/16 : Auteur(s): Delegation of the United Kingdom
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Preliminary results of investigations into the stock structure of Patagonian toothfish (Dissostichus eleginoides) around Macquarie Island
levels appropriate for population structure analysis, and two of these gave results that suggest samples ... on the management of commercial fisheries for this species. Author(s): A. Reilly, B. Ward and R ... degree of interchange of Dissostichus eleginoides (Patagonian Toothfish) between two sites 40 nautical ... from the two sites are not homogeneous at the 5% probability level. While the other three loci did not ...
Meeting Document : WG-FSA-98/39 : Auteur(s): A. Reilly, B. Ward and R. Williams (Australia)