Résultats de la recherche
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2014/2015
subareas, where stock assessment should be carried out. In spite of hard ice conditions at most part of the ... Weddell Sea during most time of the year, this large water area is very similar with the Ross Sea. This ... similarity, which could be found in geographical location, bathymetric profile, currents system and follows ... with CCAMLR decision rules. The program contains schedule and research program of the third stage of ...
Meeting Document : WG-SAM-14/07 : Auteur(s): Delegation of the Russian Federation
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2014/2015
subareas, where stock assessment should be carried out. In spite of hard ice conditions at most part of the ... Weddell Sea during most time of the year, this large water area is very similar with the Ross Sea. This ... similarity, which could be found in geographical location, bathymetric profile, currents system and follows ... with CCAMLR decision rules. The program contains schedule and research program of the third stage of ...
Meeting Document : WG-FSA-14/09 : Auteur(s): Delegation of the Russian Federation
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
investigate alternative methods of estimating the growth-transition matrix, and that with these refinements ... of times with limited success. However, the Working Group noted that the issue of ensuring ... melanophrys) and five white-chinned petrels (Procellaria aequinoctialis). It should be noted that not all ... Management advice 28. The Working Group recommended that the catch limit for C. gunnari should be set at 1 ...
Document : Site Section: Publications
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Acquiring a ‘base datum of normality’ for a marine ecosystem: the Ross Sea, Antarctica
significant, natural top-down forcing for such a long time that it is a concept rarely considered by ... pelagic and neritic marine ecosystems is reviewed with concrete evidence given for its existence in the ... remains to be learned about cross-component interactions in the Ross Sea system. Should the RSShelfE be un ... opportunity to understand the processes that take place in a healthy, complete marine ecosystem. Author(s): D ...
Meeting Document : WG-EMM-04/20 : Auteur(s): D. Ainley (USA)
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The survivorship of rays discarded from the South Georgia longline fishery
results we can conclude that depth has a significant influence on the mortality of skate, with a predicted ... these findings that further survival experiment be conducted, particularly in more shallow waters where ... this experiment can also be used to calculate the expected skate mortality within the fishery, based on ...
Meeting Document : WG-FSA-03/57 : Auteur(s): M. Endicott and D.J. Agnew (United Kingdom)
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Data requirements for research fishing
Measure 24-01 (scientific research) requires that catch, effort and biological data be reported on a haul ... under CM 41-01 (exploratory fisheries) requires that catch, effort and biological data be reported on a ... . The proposal would see fishing vessels use form C2 throughout their campaigns, with scientific ...
Meeting Document : WG-SAM-12/07 : Auteur(s): Secretariat
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Analysis of gear loss by fishing vessels in the CCAMLR Convention Area as contribution to the marine debris program
improve collection of data on gear loss it is recommended that the C1 data form be modified to include ... the marine debris program in 1989. In 2017, WG-FSA recommended that lost fishing gear reported from ... vessels be included in annual updates on marine debris. Rates of hook loss in longline fisheries revealed ... there was a higher proportion of gear loss in areas where interactions with sea-ice are more likely. To ...
Meeting Document : WG-FSA-18/17 : Auteur(s): CCAMLR Secretariat
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Results of the sixth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, January 2017
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. In ... predators: Terra Nova Bay in 2017, with McMurdo Sound surveyed in 2016. The estimated relative biomass index ... . Scaled length frequencies for the core strata indicate the progression of a strong year class that ...
Meeting Document : WG-SAM-17/01 : Auteur(s): K. Large, L. Robinson and S. Parker
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Déplacement proposé de la limite entre les sous-zones 88.1 et 88.2
Subarea 88.1 and Statistical Subarea 88.2 in order to harmonise with the exploratory fisheries for ... Dissostichus mawsoni in those subareas and with other conservation measures in force. The proposal would move ... the boundary of Subareas 88.1 and 88.2 from 170°W to 150°W with small-scale research units (SSRUs ... complexity that currently adds an administrative burden on Members and the Secretariat in respect of fishery ...
Meeting Document : CCAMLR-XXXVII/22 : Auteur(s): CCAMLR Secretariat
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Influence of the quality and quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an integrated stock assessment – update
and the resulting data should not be used in stock assessments with only few years of data available ... . Biomass estimates generally improved with more and better quality tagging data, however important nuances ... emerged within this overall trend. The results show that in the early stages of the tagging program, a ... with a low tag size-overlap, even with large numbers, is likely to result in overestimates of biomass ...
Meeting Document : WG-FSA-12/18 : Auteur(s): P.E. Ziegler (Australia)