Resultados de la búsqueda
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Discharge of offal in the Ross Sea – follow up to COMM CIRC 15/15–SC CIRC 15/06
an analysis of the information provided by New Zealand in previous years (COMM CIRC 13/09), along ... facilitate further investigation. In 2013 reports of offal were tightly clustered in a small area on the ... border of SSRUs 88.H and J, whereas in 2015 the reports were received from a broader area. For each ... . Identifying the provenance of offal found in the stomachs of toothfish is inconclusive in many cases, however ...
Meeting Document : CCAMLR-XXXIV/BG/10 : Autor(es): CCAMLR Secretariat
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Indexing maturation of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
and 88.2 have provided more than a decade of observations to aid in understanding the life history and ... the slope or return to the slope in early spring. The absence of high condition fish in the north ... Abstract: The longline fisheries for Antarctic toothfish (Dissostichus mawsoni) in subareas 88.1 ... ecology of toothfish. Updated spawning ogives for males and females support the currently used values ...
Meeting Document : WG-FSA-12/40 : Autor(es): S. Parker and P. Marriott (New Zealand)
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Towards the development of a stock assessment for Patagonian toothfish in Division 58.4.4, SSRU C on Ob and Lena Banks
455 tonnes, and current biomass was 1 275 tonnes (87.6 % of B 0). An additional uncertainty in the ... Abstract: Following the advice from the CCAMLR Working Group in WG-SAM in 2012, a preliminary ... assessment of stock status of D. eleginoides in SSRU C in Ob-Lena Banks was made using a CASAL catch-at ... -length model. In this preliminary assessment, the model was started in 1990 and catch, proportions at ...
Meeting Document : WG-FSA-12/59 : Autor(es): K. Taki (Japan)
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Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the second three ... WG-FSA in 2013 in order to maximize the expectation of tag-recapture to the extent possible under the ... Abstract: The current season (2014/15) is the final one of the first three-season research which ... began in 2013 in data-poor fisheries. In the present report, the next three-season (2016-18) research ...
Meeting Document : WG-FSA-15/17 : Autor(es): Delegation of Japan
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Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
/ fisheries management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the ... at the WG-FSA in 2013 in order to maximize the expectation of tag-recapture to the extent possible ... for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2 Approval ... Abstract: The current season (2014/15) is the final one of the first three-season research which ...
Meeting Document : WG-FSA-15/18 : Autor(es): Delegation of Japan
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07
Abstract: Descriptive analyses of the toothfish tagging programme carried out in Subareas 88.1 ... described in this paper for the first time. Overall, a reported total of 12 177 Antarctic toothfish have ... . The number of tags recaptured in the Ross Sea in 2007 by New Zealand vessels was the highest annual ... recapture to date and double the number caught in 2006, although the nature of these recaptures suggests ...
Meeting Document : WG-SAM-07/5 : Autor(es): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)
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A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures
limit in Area 48 that will be highly likely to achieve the objectives of the convention despite the ... uncertainties in knowledge. This will be part of the management procedure governing the krill fishery. The ... procedures in a simulation framework, using plausible models of the Antarctic marine ecosystem. This paper ... aspects of model development. Part 1 outlines the issues to consider in assessing the requirements of ...
Meeting Document : WG-EMM-04/24 : Autor(es): A. Constable (Australia)
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LENGTH AND AGE AT SPAWNING OF ANTARCTIC TOOTHFISH DISSOSTICHUS MAWSONI IN THE ROSS SEA
) by length. Evidence of skip spawning by females results in a right-shifted ogive, increasing the ... slope with the age distribution in the northern area and the lack of evidence for skip spawning in the ... ogive is biased right (older) by excluding the mature fish in the north depends on the proportion of the ... male Antarctic toothfish Dissostichus mawsoni from fish sampled in the Ross Sea spanning the 2000-2009 ...
Meeting Document : WG-FSA-09/37 : Autor(es): S.J. Parker and P.J. Grimes (New Zealand)
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
around the coasts of the South Shetland and South Orkney Islands. Krill catches in these zones are shown ... , probably as a result of more variable hydrographic conditions. About 50% of the catch in Subarea 48.1 from ... December to March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 ... and 1988 75% of the catch in Subarea 48.2 between December and March was taken within 80 km of ...
Meeting Document : WG-KRILL-92/19 : Autor(es): D.J. Agnew (Secretariat)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2009/10
Subarea 88.1 and for 9 years in Subarea 88.2. This report summarises the timing, depth, and location of ... 2009–10. During the 2009–10 fishing year most of the catch in Subarea 88.1 came from the slope SSRUs ... considerably over time in each of the fisheries showing no trend in the main fisheries in Subarea 88.1 and SSRU ... small fish. A major source of uncertainty in the current stock assessment concerns the recruitment ...
Meeting Document : WG-FSA-10/23 : Autor(es): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)