Resultados de la búsqueda
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CPUEs and body length of Antarctic krill density during the 1997/98 season in Area 48
and north east of South Georgia. Size composition differed among the areas. In the west of the ... differed among the periods. In the north east of South Georgia, single mode (approx. 37-39mm) with narrow ...
Meeting Document : WG-EMM-99/48 : Autor(es): S. Kawaguchi (Japan)
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
austral summer and early autumn, deepened gradually from autumn and reached maximum depth in winter in the ... Scotia Sea, shifting to shallower depths again in early spring. The average catch-per-unit-effort (CPUE ... and SO. Daily average trawling depth tended to be shallower during austral summer and early autumn ... shallower depths again in early spring. The average catch- per-unit-effort (CPUE) was highest during the day ... ) in summer and turned transparent during autumn and winter, but began to colour again in early ... during summer and early autumn; it deepened from mid-autumn and reached its maximum in winter, but ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Autor(es): Taki, K., T. Hayashi and M. Naganobu
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Status of the Polish FIBEX acoustic data from the West Atlantic
density between late December 1990 (46 g m-2) and early February 1991 (157 g m-'). The Profesor ... , minimum net densities were actually present by the middle of March (Siegel, 1988), therefore it is ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Autor(es): Trathan, P.N., J. Kalinowski and I. Everson
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
different from a simple linear term (p < 0.05). Predictions from equation 3 are illustrated in the middle ... with gamma errors and log-link to the positive CPUE data. The middle panel shows the trend in predicted ... equal to 1.0 (see Figure 3, middle panel). Consistent with such predictions, all of the hauls made ... more frequently than others), and the more vulnerable crabs were captured early in the depletion ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Autor(es): Watters, G
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
early years of growth. However, because of the lack of small D. mawsoni, it was not possible to link ... released since 1972 (DeVries and Eastman, 1998). Some of these tagged fi sh were also injected with ... spawning by this species occurs in late winter to early spring (i.e. August–September). Spawning by D ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Autor(es): Horn, P.L., C.P. Sutton and A.L. DeVries
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MaxEnt reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia 1996–2000
of mean krill density within two survey boxes of dimensions 80 km x 100 km to the north east and ... interannual and regional (east box cf west box) differences in mean krill density, the MaxEnt approach seems ...
Meeting Document : WG-EMM-02/36 : Autor(es): M.H. Wafy, A.S. Brierley, S.F. Gull and J.L. Watkins (United Kingdom)
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Rajid by-catch in the longline fishery for toothfish in Subarea 48.3
/ thousand toothfish. Catch rates were lowest to the south and east of South Georgia. The two species most ... was not found in this study to the east or south of South Georgia. Modal length of R. georgiana caught ...
Meeting Document : WG-FSA-99/40 : Autor(es): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)
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Poor breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
island. Evidence from analyses of foraging location, foraging trip duration and diet led to the ...
Meeting Document : WG-EMM-99/25 : Autor(es): L. Irvine, J.R. Clarke and K.R. Kerry (Australia)
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e-sc-xvi-a4-appD.pdf
... . For this reason, the sign of the transformed fur seal foraging trip duration was reversed. The ... submerged during a foraging trip in relation to cumulative time spent at sea. The slope of this ... . 4.11 The subgroup concluded that it was still too early to make firm recommendations about which ... animals in question died during the course of the season (e.g. death of chicks 11 before fledging as
application/pdf attached to:WG-EMM-Stats-97
Meeting Report : WG-EMM-Stats-97
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
in the early 1980’s, along the shelf slope in the mid- to late 1980’s, and were highly variable, from ... the shelf across to the outer shelf in the early to late 1990’s. Intra-annual variation of trawling ...
Meeting Document : WG-EMM-01/35 : Autor(es): S. Kawaguchi and K. Segawa