Resultados de la búsqueda
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CASAL model evaluation incorporating the calculation of harvest rate for D. eleginoides at Division 58.4.4b
. Compared to the CASAL results reported in WG-SAM-2019/30, the MPD profiles show improvements under all ...
Meeting Document : WG-FSA-2019/62 : Autor(es): T. Okuda and F. Massiot-Granier
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ESTIMATION OF IUU CATCHES OF TOOTHFISH INSIDE THE CONVENTION AREA DURING THE 2009/10 FISHING SEASON
was also requested to provide revised estimates for gillnet catches for previous years and estimates ...
Meeting Document : WG-FSA-10/06 : Autor(es): Secretariat
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COLLAPSE OF SOUTH AFRICA’S PENGUINS IN THE EARLY 21ST CENTURY
years. This reduced the global population to 26 000 pairs, when including Namibian breeders, and led to ...
Meeting Document : WG-EMM-11/P8 : Autor(es): R.J.M. Crawford, R. Altwegg, B.J. Barham, P.J. Barham, J.M. Durant, B.M. Dyer, D. Geldenhuys, A.B. Makhado, L. Pichegru, P.G. Ryan, L.G. Underhill, L. Upfold, J. Visagie, L.J. Waller and P.A. Whittington
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Preliminary assessment of the South Georgia toothfish stock, 2007
estimates year class strength which corresponds, in some years, with estimates made from the South Georgia ... higher than was estimated last year. 2. Improvements are made to the fit of tag data through (a ... retardation than larger fish, and that on average it is 1 year or more. 3. A new model is developed which uses ... be considered, and that the toothfish assessment is undertaken at periods of greater than one year ...
Meeting Document : WG-FSA-07/29 : Autor(es): D.J. Agnew, R. Hillary and J. Pearce (United Kingdom)
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
consecutive years, these are: Cape Shirreff, (Livingston Island, South Shetland Islands); Bird Island, (South ...
Meeting Document : SC-CAMLR-XXV/BG/09 : Autor(es): Secretariat
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Intra-annual variability in the abundance of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ krill density estimates
pattern in krill abundance was detected that recurred consistently over all 3 years. Krill densities in ... winter were predominantly low (mean = 18.7 g m-2 SD 24.3) but rose substantially by summer in each year ... . within-year) could have led to the perceived between-year variation from previous summer surveys in the ... survey estimates with the observed pattern of within-year variability showed that some of the alleged ...
Meeting Document : WG-EMM-06/25 : Autor(es): R.A. Saunders, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein, D.G. Bone and A.S. Brierley (United Kingdom)
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
than 3 consecutive years, these are: Cape Shirreff, (Livingston Island, South Shetland Islands); Bird ... at King George Island for the fourth consecutive year. There are now 4 sites that have data for more ...
Meeting Document : SC-CAMLR-XXIII/BG/11 : Autor(es): Secretariat
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Population of macaroni penguins Eudyptes chrysolophus at Marion Island, 1994/95 to 2002/03, with information on breeding and diet
, macaroni penguins usually breed for the first time when aged about three years. From 1994/95–2002/03, pairs ... fledged on average 0.46 chicks per year, an amount thought insufficient to maintain the population ...
Meeting Document : WG-EMM-03/15 : Autor(es): R.J.M. Crawford, J. Cooper and B.M. Dyer (South Africa)
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Population, breeding, diet and conservation of Crozet shag Phalacrocorax [atriceps] melanogenis at Marion Island, 1994/95 to 2002/03
the mid 1980s. Crozet shags breed for the first time when aged three years. It is probable that about ...
Meeting Document : WG-EMM-03/17 : Autor(es): R.J.M. Crawford, J. Cooper, B.M. Dyer, A.C. Wolfaardt, D. Tshingana, K. Spencer, S.L. Petersen, J.L. Nel, D.G. Keith, C.L. Holness, B. Hanise, M.D. Greyling and M. du Toit (South Africa)
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An 8-year cycle in krill biomass density inferred from acoustic surveys conducted in the vicinity of the South Shetland Islands during the austral summers of 1991/1992 through 2001/2002
years and indications that ice cover in the winter of 2002 is seasonally early and extensive. Author(s ... fit to the biomass density time series is dominated by an 8-year cycle and predicts an increase in ... ): R.P. Hewitt, D.A. Demer and J.H. Emery (USA) Title: An 8-year cycle in krill biomass density inferred ...
Meeting Document : WG-EMM-03/6 : Autor(es): R.P. Hewitt, D.A. Demer and J.H. Emery (USA)