Résultats de la recherche
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South African work plan for 2015/16 for the joint Japan/South Africa research on Dissostichus spp. in Subarea 48.6
Abstract: A multi-year plan for research by Japan and South Africa aimed at yielding a tag-based ... assessment of the Dissostichus resource in statistical Subarea 48.6 was adopted in 2012 and formulated in CM ... 41-04. This paper submits a work plan for the South African contribution to the fourth year of this ... research in 2015/16 and is to be read in conjunction with progress report. Author(s): Delegation of South ...
Meeting Document : WG-SAM-15/39 : Auteur(s): Delegation of South Africa
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Spatial patterns of temporal relationships in the Southern Ocean
Abstract: Phytoplankton production during the austral summer in the Southern Ocean is known to be ... modelled variables and show that this covariance in time between the mixed layer depth (MLD), sea surface ... . Statistically significant spatial patterns in the covariance between MLD, SST and Chl-a show that the physical ... factors controlling phytoplankton production in the Southern Ocean change in a predictable manner. Well ...
Meeting Document : WS-BSO-07/5 : Auteur(s): M. Kahru and B.G. Mitchell (USA)
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An unmanned aerial vehicle as a platform for aerial photography of land-based predator populations in Antarctica: specifications and suitability of the Aerosonde Mark III
land-based predators in Antarctica. Such surveys are likely to rely heavily on recent technological ... developments, such as satellites and unmanned aerial vehicles (UAVs), which may allow cost-effective survey in ... one such UAV, the ‘Aerosonde’, which is manufactured by Aerosonde™ in Melbourne, Australia. The ... advantages in this role would be long-distance capability and low noise levels. Its disadvantages include ...
Meeting Document : WG-EMM-03/50 : Auteur(s): L. Irvine and C. Southwell (Australia)
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Mesoscale abundance of fish in a ‘box’ west of Elephant Island
Abstract: Germany, in close collaboration with the United States Antarctic Marine Living (U.S ... of Elephant Island (Subarea 48.1) in order to study the meso – scale abundance of demersal finfish ... species. Diversity in the box was relatively low. The most abundant species were Gobionotothen ... . Concentrations of both species were found in a comparatively small band primarily along the 200 m isobath (160 ...
Meeting Document : WG-FSA-02/21 : Auteur(s): K.-H. Kock (Germany), C.D. Jones (USA), J. Appel (Germany), G. von Bertouch (CCAMLR Secretariat), D.F. Doolittle (USA), M. la Mesa (Italy), L. Psenichnov (Ukraine), R. Riehl (Germany), T. Romeo (Italy), S. Schöling (Germany) and L. Zane (Italy)
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Analysis of krill trawling positions in the area north of the South Shetland Islands (Antarctic Peninsula area) from 1980/81 to 1998/99
Abstract: Positions of commercial krill operation for 1980/81 season to 1998/99 season in the ... latitudes where operations were undertaken. Operations tended take place in the north in early 1980s, but ... from mid-1980 onwards, they tended to happen in the south, with exceptions of 1994/95 and 1995/96 ... seasons. Predicted latitudes of operation significantly correlated with Salp densities in the Elephant ...
Meeting Document : WG-EMM-00/58 : Auteur(s): S. Kawaguchi (Japan)
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Off the hook? Initiatives to reduce seabird by-catch in longline fisheries
Abstract: The recent history of global initiatives to reduce seabird by-catch in longline ... fisheries are reviewed, highlighting in turn the activities of environmental and industry non-governmental ... , especially albatrosses and petrels, are affected, with unsustainable mortality rates in a number leading to ... population decreases. An International Plan of Action for Reducing Incidental Catch of Seabirds in Longline ...
Meeting Document : WG-FSA-99/6 : Auteur(s): J. Cooper (South Africa), J.P. Croxall (United Kingdom) and K.S. Rivera (USA)
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Hatching season and growth of Pleuragramma antarcticum larvae near the Antarctic peninsula in austral summer 1993/94
Abstract: Hatching season and larval growth of Pleuragramma antacticum in the water off Antarctic ... Peninsula were determined by the examination of growth increments in otoliths. The samples were collected by ... (54 inds. out of 77 fish larvae) in ichthyoplankton samples, and occurred mainly in cold water of the ... otolith cores was about 50 μm in diameter. The width of the growth increments was narrow near the core ...
Meeting Document : WG-EMM-96/65 : Auteur(s): Cha, S.S., Lee, T.W., Kim, S.
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Analysis of the stomach content in the blue-eyed shag Phalacrocorax atriceps bransfieldensis at Nelson Island, South Shetland Islands
at Nelson Island, South Shetland Islands, in January 1994. The analysis of the diet showed that fish ... , predominated in frequency (58%) and in weight (65%), whereas Nototheniops nudifrons was the most important by ... similar results. However, although the methodology used in the present study requires more time in the ... complemented with information on shags’ foraging trips, obtained in the field by film records. Author(s): N ...
Meeting Document : WG-CEMP-94/31 : Auteur(s): N. Coria, R. Casaux, M. Favero and P. Silva (Argentina)
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Results of the research fishing activities conducted by Chile in Management A of Subarea 48.3 from 2005–2008: the importance of conserving the big older fishes
Dissostichus eleginoides (TOP) from the Area management A (subarea 48.3), after 4 year of closure (2004 to 2008 ... ). We noted an increase in the CPUE overtime, mainly associate with the increase in the median size of ... fish caught, at a mean rate of approximately 1 kg per year/per individual. This result suggests that ... the sampling in this area should not stop because of its high interest in the monitoring of the ...
Meeting Document : WG-FSA-10/35 : Auteur(s): C.A. Moreno and P. Rubilar (Chile)
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Composition of Leucocytes in Peripheral Blood of Antarctic Toothfish Dissostichus mawsoni (Nototheniidae)
Abstract: The aim of the work is to study the leukocyte composition in blood of deep-water fish ... species by the example of Antarctic toothfish Dissostichus mawsoni. Fish were caught in January–February ... 2012 in the Ross Sea (Statistical Subarea 88.1) at depths from 690 to 1183 m from onboard “Yantar-31 ... ) with average mass 21.4 kg and length 114 cm. The composition of leukocytes in Antarctic toothfish is ...
Meeting Document : WG-EMM-14/P07 : Auteur(s): I.I. Gordeev, D.V. Mikryakov, L.V. Balabanova and V.R. Miktyakov