Resultados de la búsqueda
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Regional catch analysis of the longline fishery of Dissostichus eleginoides (Pisces: Nototheniidae) in Chile
patagonian toothfish (Bacalao de profundidad), Dissostichus eleginoides, has been developed are based in ... that, during the last years, a worrying by catch of factory boulterer vessels dedicated to the austral ...
Meeting Document : WG-FSA-91/10 : Autor(es): C. Lemaitre, P. Rubilar, P. Gebauer and C.A. Moreno (Chile)
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Counts of surface-nesting seabirds at Marion Island in 2003/04
continued to decrease at Marion Island in 2003/04. The decreases are thought to be due to a reduced ... have shown a long-term decrease, although the count for dark-mantled sooty albatrosses was higher in ... 2003/04 than for several seasons. Author(s): R.J.M Crawford, N. de Bruyn, B.M. Dyer, B. Hanise, N.T.W ...
Meeting Document : WG-EMM-04/29 : Autor(es): R.J.M Crawford, N. de Bruyn, B.M. Dyer, B. Hanise, N.T.W. Klages, P.G. Ryan, L.G. Underhill and L. Upfold (South Africa)
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Competition-induced starvation drives large-scale population cycles in Antarctic krill
—exhibits a five to six year population cycle, with oscillations in biomass exceeding one order of magnitude ... that the cycle amplitude increases with reduction of krill loss rates. Thus, a decline of apex ... , with drastic consequences for the entire Antarctic ecosystem. Author(s): A.B. Ryabov, A.M. de Roos, B ...
Meeting Document : WG-EMM-18/P05 : Autor(es): A.B. Ryabov, A.M. de Roos, B. Meyer, S. Kawaguchi and B. Blasius
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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
, King George/25 de Mayo Island, South Shetland Islands, from 1983 to 1991, allowed to study the ... previously reported abundance changes as a size-related process. The data were analyzed using a Nested ANOVA ... design to obtain variance components and expected values. An increase and then a decrease in the expected ... 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)
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Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate
Georgia, in 1988 was compared with the age distribution of a sample obtained in 1971-1973. The mean age in ... 1971-1973 was 7.41 (SE = 0.26) years and in 1988 it was 6.93 (SE = 0.20) years. After correction for ... age-dependent arrival time at the pupping beach in 1988, the mean age was 6.22 (SE = 0.14 years ... and corrected for the rate of increase of the population gave adult survival rates of 0.66 (SE = 0.03 ...
Meeting Document : WG-CEMP-91/21 : Autor(es): I.L. Boyd, N.J. Lunn, P. Rothery and J.P. Croxall (United Kingdom)
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FLAG STATUS OF SOME VESSELS ON THE NCP-IUU VESSEL LIST
Abstract: FLAG STATUS OF SOME VESSELS ON THE NCP-IUU VESSEL LIST In June 2010, the EU forwarded a ... to the report, proceedings to de-register the vessels commenced in April and concluded on 15 June ... June 2010. 3. Since that time, however, a number of reports have been received regarding the activities ...
Meeting Document : SCIC-10/04 : Autor(es): Secretariat
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Quantitative stock survey and some biological and morphometric characteristics of the deep-sea red crab Geryon quinquedens off south west Africa
oxygen and tolerates a temperature range of more than 7°C. Author(s): C.J. De B. Beyers and C.G. Wilke ... cruises were undertaken in July and September 1978, on the continental slope off South West Africa. A ... processing the live material to a cooked frozen product, red crab is subject to a mass loss of about 54 per ...
Meeting Document : WS-CRAB-93/22 : Autor(es): C.J. De B. Beyers and C.G. Wilke (South Africa)
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PHYSICAL CONTROLS ON CORAL COMMUNITIES ON THE GEORGE V LAND SLOPE: SOME WORKING HYPOTHESES
been identified as a Vulnerable Marine Ecosystem in the Antarctic. The challenge is now to understand ... a factor allowing growth of rich benthic ecosystems. In addition, the richest communities are found ... other areas because of a number of oceanographic factors, including strong current flow and increased ... mixing, and the abrupt, complex topography. These hypotheses provide a framework for the identification ...
Meeting Document : WS-VME-09/04 : Autor(es): De Santis, L., Riddle, M.J., Beaman, R.J., Post, A.L., O’Brien, P.E.
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Results of the scientific research survey in CCAMLR Subarea 88.3 in the 2004/05 season
substantial exploratory fisheries are currently under way. The limited results collected indicated a ... surprising lack of biodiversity in the De Gerlache Seamount study area. While the results of this research ...
Meeting Document : WG-FSA-05/53 : Autor(es): G. Patchell (New Zealand)
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Atlas of top predators from French Southern Territories in the Southern Indian Ocean
Atlas of top predators from the French Southern Territories in the Southern Indian Ocean is a summary of ... : Amsterdam and Saint Paul Islands, Marion and Prince Edward islands and the Del Cano Rise, Crozet Islands ... that some pelagic species have a much wider foraging range outside the breeding season than during the ... fishery discards, bycatch of seabirds and marine mammals, as well as, in a lesser extent, degradation of ...
Meeting Document : WG-EMM-16/42 : Autor(es): K. Delord, C. Barbraud, C.-A. Bost, Y. Cherel,C. Guinet and H. Weimerskirch