Resultados de la búsqueda
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Variation or reproductive performance of seabirds and seals at South Georgia, 1976–1986 and its implication for Southern Ocean monitoring studies
particularly poor reproductive performance by almost all species. Difficulties in provisioning offspring were ... in the marine environment that may relate to prey availability and thus be influenced by commercial ...
Meeting Document : WG-CEMP-87/13 : Autor(es): J.P. Croxall, T.S. McCann, P.A. Prince and P. Rothery (United Kingdom)
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A descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in the Ross Sea up to 2005/06
. Tagging rates by area over the past three years have been in the same proportion as the catch by area ...
Meeting Document : WG-FSA-SAM-06/09 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)
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The development of spatially and temporally controlled measures of survival and tag-detection for the CCAMLR tagging program
management by CCAMLR of a number of toothfish fisheries in Antarctica. The evaluation of the tagging ... . We propose that, by controlling for the spatial and temporal confounding factors using a case-control ...
Meeting Document : WG-SAM-12/30 : Autor(es): S. Mormede and A. Dunn (New Zealand)
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Slow recovery of previously depleted demersal fish at the South Shetland Islands, 1983–2010
depleted off the South Shetland Islands by intensive industrial fishing during the late 1970s to early ... an ocean profoundly altered by numerous stock depletions and rapid climate change. Author(s): E.R ...
Meeting Document : WG-FSA-12/P01 : Autor(es): E.R. Marschoff, E.R. Barrera-Oro, N.S. Alescio and D.G. Ainley
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Decadal trends in abundance, size and condition of Antarctic toothfish in McMurdo Sound, Antarctica, 1972–2011
dominated by fish in the upper two-thirds of the overall distribution exhibited in the industrial catch for ... relationship possibly caused by more ice encouraging larger fish to move farther south over the shelf and into ...
Meeting Document : WG-FSA-12/P04 : Autor(es): D.G Ainley, N. Nur, J.T Eastman, G. Ballard, C.L Parkinson, C.W Evans and A.L. DeVries
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Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of relative mortality and tag-detection rates
Abstract: A reliable commercial tagging program is critical to the successful management by ... , by controlling for the spatial and temporal confounding factors using a case-control study design, we ...
Meeting Document : WG-FSA-12/47 Rev. 1 : Autor(es): S. Mormede and A. Dunn (New Zealand)
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Physical and behavioural influences on larval fish retention: contrasting patterns in two Antarctic fishes
of C. gunnari were strongly influenced by location of the spawning site, with the greatest ... Rocks shelves, regions separated by only 240 km. Our findings provide insights into the demographic ...
Meeting Document : WG-FSA-12/P10 : Autor(es): E.F. Young, J. Rock, M.P. Meredith, M. Belchier, E.J. Murphy and G.R. Carvalho
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Among-year variation in growth of Antarctic krill Euphausia superba based on length-frequency data
estimating growth from observed length-frequency samples by combining kernel density estimates of the length ... . The large amount of variation in growth unexplained by environmental covariates has substantial ...
Meeting Document : WG-EMM-13/P01 : Autor(es): A.O. Shelton, D. Kinzey, C. Reiss, S. Munch, G. Watters and M. Mangel (USA)
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Analysis of seamount-specific catch and tagging data in the Amundsen Sea, SSRU 88.2H
biomass as estimated by the CPUE by seabed analogy method produces values that vary markedly depending on ... recapture probability among seamounts was found. Single-season tag recapture rates exceeding 20% on some ...
Meeting Document : WG-SAM-14/27 : Autor(es): S.J. Parker (New Zealand)
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Research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.1 in 2014/15
Abstract: Historical catch and effort data recorded by all effective vessels were analyzed using ... (5841_1, 5841_2, 5841_3, 5841_4 and 5841_5) were estimated by the Petersen estimator and the CPUE x seabed ...
Meeting Document : WG-SAM-14/02 : Autor(es): Delegation of Japan