Resultados de la búsqueda
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LENGTH AND AGE AT SPAWNING OF ANTARCTIC TOOTHFISH DISSOSTICHUS MAWSONI IN THE ROSS SEA
fishing seasons. The female spawning ogive incorporates the proportion of sexually mature fish that do not ... male Antarctic toothfish Dissostichus mawsoni from fish sampled in the Ross Sea spanning the 2000-2009 ... north indicates that all fish in the north are spawning. The degree to which the overall population ... ogive is biased right (older) by excluding the mature fish in the north depends on the proportion of the ...
Meeting Document : WG-FSA-09/37 : Autor(es): S.J. Parker and P.J. Grimes (New Zealand)
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ALLOCATING THE PRECAUTIONARY CATCH LIMIT FOR KRILL AMONGST THE SMALL-SCALE MANAGEMENT UNITS IN AREA 48: THE IMPLICATIONS OF DATA UNCERTAINTIES
fishing) until a future date. The remaining three options propose subdividing the catch limit according to ...
Meeting Document : WG-EMM-08/12 : Autor(es): P.N. Trathan and S.L. Hill (United Kingdom)
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Monitoring results of marine debris at Cape Shirreff, Livingston Island during the 1995/96 Antarctic season
guidelines about basical and fundamental actions to be taken especially on board of fishing ships in order to ...
Meeting Document : CCAMLR-XV/BG/27 : Autor(es): Delegation of Chile
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The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation
species around fishing vessels either during the day or night. Extrapolations showed that 2 vessels were ...
Meeting Document : WG-FSA-95/21 : Autor(es): Barnes, K.
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By-catch of juvenile Antarctic fish from krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
krill fishing by the BAT GrigOly Kovtun in the region of the South Georgia Islands during the period May ... Abstract: Discussed in this paper is an investigation on juvenile antarctic fish caught during ... larseni. The frequency of occurrence of juvenile fish was 18.2% when considering all krill tows and 45.5 ... % when only tows made in shelf waters were considered. Juvenile fish abundance, normalised to 1 t of ...
Meeting Document : WG-FSA-93/8 Rev. 1 : Autor(es): E.A. Pakhomov and S.A. Pankratov (Ukraine)
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Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
contrast, the BODE model gave unrealistic estimates of M and the annual fishing mortality rates both when ... releases and recaptures of tagged fish were available. Catch and releases by age class for this fishery ... years 1998 to 2008. A large proportion of the recaptures of fish released in this fishery were aged and ...
Meeting Document : WG-FSA-10/41 : Autor(es): S. Candy, D. Welsford, T. Lamb, J. Verdouw and J. Hutchins (Australia)
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An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
fishing selectivities. The uncertainty arising from this tension will need to be explored further in order ... the abundances of juvenile fish but adding fishery catch-at-length data, including a standardised ...
Meeting Document : WG-FSA-SAM-06/14 : Autor(es): A. Constable, S. Candy and I. Ball (Australia)
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Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)
of mortality and the cohort abundances form CMIX, and to a lesser extent the estimated fishing ... changing the time series of abundance of juvenile fish and the length-at-age model were examined. Yield ...
Meeting Document : WG-FSA-SAM-06/15 : Autor(es): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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Analysis of variables influencing finfish by-catch in the krill fishery in Area 48
, krill catch, sea surface temperature, bottom depth and fishing depth and season were all significantly ... -2011/12. The majority of fish caught were either small juveniles or larvae, dominated by Myctophidae ...
Meeting Document : WG-EMM-12/28 : Autor(es): S.M. Martin, T. Peatman, J. Moir Clark (United Kingdom), O.R. Godø (Norway) and R.C. Wakeford (United Kingdom)
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Developing research on Antarctic krill to facilitate the development and updating of feedback management procedures
the impacts that fishing may have on the ecosystem. WG-EMM last reviewed these in workshops between ...
Meeting Document : WG-EMM-13/12 : Autor(es): E.J. Murphy, R.D. Cavanagh (United Kingdom), A. Constable (Australia), E.H. Hofmann (USA), S.L. Hill, N.M. Johnston, P.N. Trathan and J.L. Watkins (United Kingdom)