Resultados de la búsqueda
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An underwater setting method for surface longliners, to minimise the accidental/incidental capture of seabirds
1996 to develop a device to set baits underwater on commercial longliners. Trials on two U tube devices ... ., Parnes, P. Title: An underwater setting method for surface longliners, to minimise the accidental ... bait to the setting depth, however a backward facing U tube succeeded in flushing the bait on all ... . On all trials the U tube * successfully flushed the baits to the required three metre depth. The U ...
Meeting Document : WG-FSA-97/53 : Autor(es): Walshe, K.A.R., Parnes, P.
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An assessment of seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, March–May 1997
concentrated on taking discarded offal, and accounted for five birds caught. An experiment to assess the ... concentrated on taking returning bait off the line and accounted for eighteen birds caught; giant petrels ... Abstract: Long-lining operations for Dissostichus eleginoides off South Georgia were assessed for ... with extra weights on the line and all deck-lights extinguished. Data were recorded during hauling ...
Meeting Document : WG-FSA-97/09 : Autor(es): Ashford, J.R., Croxall, J.P.
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An examination of variance and sample size for female Antarctic fur seal trip durations
sample size in detecting differences between two years of fur seal trip duration data. Female foraging ... trip duration for the first six trips to sea for 1997/98 (n = 30) and 1998/99 (n = 31) at Cape Shirreff ... year. A bootstrap function was used to examine the effect of sample size on variance. Currently CCAMLR ... -Ecosystem Monitoring Program Standard Method C 1.2 for measuring fur seal trip duration sets the sample size ...
Meeting Document : WG-EMM-99/45 : Autor(es): M.E. Goebel (USA)
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Distribution, demography and discard mortality of crabs caught as by-catch in an experimental pot fishery for toothfish in the South Atlantic
-catch in an experimental pot fishery for toothfish in the South Atlantic Approval: Approved ... Abstract: Between March 2000 and April 2001 two commercial fishing vessels undertook trials at ... South Georgia of a method of fishing for toothfish (Dissostichus eleginoides) using pots. A significant ... area, had an intermediate depth distribution from 400 – 800m. P. formosa was present in shallow waters ...
Meeting Document : WG-FSA-01/32 : Autor(es): M.G. Purves (South Africa), D.J. Agnew, G. Moreno, C. Yau and G. Pilling (United Kingdom)
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Proposal for an experimental crab fishery in Subarea 48.3
Abstract: An experimental management strategy is proposed for the Paralomis spinosissima fishery ... management strategy is designed for application on a per vessel basis (i.e. vessels may not "cooperate ... if only one vessel participates. Author(s): George Watters (USA) Title: Proposal for an ... population dynamics of P. spinosissima, and consists of three phases to be conducted over a period of two ...
Meeting Document : WG-FSA-93/22 : Autor(es): George Watters (USA)
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An integrated assessment model for Antarctic krill: progress update
model estimates of total population abundance for most years and areas when the input data were based on ... data or net densities were used as model inputs for the biomass data, on how the biomass data were ... for most combinations of samples grouped by year, area, and leg was somewhat lower when it was ... Abstract: Estimates of population parameters from different configurations of an integrated model ...
Meeting Document : WG-EMM-12/27 : Autor(es): D. Kinzey, G. Watters and C. Reiss (USA)
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Preliminary analyses of an ectoparasite Eubrachiella antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea
set were examined for parasites in Small Scale Research Units (SSRUs) 88.1C, 88.2E and 88.2F; and two ... of an ectoparasite Eubrachiella antarctica as a marker for stock discrimination of Antarctic ... Abstract: This project evaluated the prevalence and intensity of an ectoparasite Eubrachiella ... antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea. New Zealand Ministry ...
Meeting Document : WG-FSA-06/28 : Autor(es): P.J. Smith, A. McKenzie and L. Tubbs (New Zealand)
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An updated spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of the Ross Sea region
Abstract: We present an updated spatially explicit age-structured population dynamics operating ... model for Antarctic toothfish in the Ross Sea region, for a medium scale spatial resolution (189 spatial ... cells) covering the Ross Sea region. We build on the previous working medium-scale model in which the ... habitat for toothfish (120 cells – semi-restricted model). Model fits to the reproductive data were ...
Meeting Document : WG-SAM-14/31 : Autor(es): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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Breeding biology of Adélie penguin (Pygoscelis adeliae) at Edmonson Point CEMP site (Ross Sea, Antarctica): report of the first five years
) Ecosystem Monitoring Program and data on the feeding ecology of the Adélie penguin. The rationale for the ... Abstract: During 1998/99 austral summer the Adélie penguin monitoring program was carried out for ... Edmonson Point (74°20'56.7" S, 165°08'10.03" E). The aim of this research was to obtain ... data to contribute to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ...
Meeting Document : WG-EMM-99/60 : Autor(es): S. Olmastroni, S. Corsolini, F. Pezzo, S. Focardi (Italy) and K. Kerry (Australia)
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An integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
Abstract: This paper presents an updated assessment for the Patagonian toothfish (Dissostichus ... from 2014 (complete) and 2015 (partial), (c) an updated growth model, (d) changes in priors for survey ... here. Author(s): P. Ziegler and D. Welsford (Australia) Title: An integrated stock assessment for the ... end of July 2015. The updated assessment model is based on the best available estimates of model ...
Meeting Document : WG-FSA-15/52 : Autor(es): P. Ziegler and D. Welsford (Australia)