Resultados de la búsqueda
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The development of the role of the WG-EMM Subgroup on Methods
from one that considers methods for collecting data as part of CEMP to one that considers and develops ... are 4 key areas; 1.to maintain the process of validation and checking of the existing CEMP database, 2 ... . to evaluate appropriate methods for analysis of existing parameters, 3. to develop methods to combine ... management advice. Author(s): K. Reid (United Kingdom) Title: The development of the role of the WG-EMM ...
Meeting Document : WG-EMM-01/17 : Autor(es): K. Reid (United Kingdom)
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Acoustic assessment of potential bias in abundance estimates of mackerel icefish from trawl surveys
trawl surveys are the most reliable and appropriate method to survey stocks of mackerel icefish ... that a significant proportion of the stock occurred in midwater. If this is the case, then bottom trawl ... surveys may underestimate the biomass of mackerel icefish. This paper addresses this question by comparing ... acoustic signal are discussed. The vertical distribution of mackerel icefish in relation to the diel light ...
Meeting Document : WAMI-01/05 : Autor(es): E. van Wijk, T. Pauly, A. Constable and R. Williams (Australia)
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Possible causes of variation of Champsocephalus gunnari vertical and horizontal distribution
inaccessible for fishing. Conduction of census surveys during this period is pointless. In spring, during ... beginning of this period (September). Data on stock assessment collected during accounting survey are good ... enough, however, this season is far from suitable for accounting surveys because of severe ice conditions ... . It is not recommended to make stock assessment of fish yielded with bottom fishing gear, as in this ...
Meeting Document : WAMI-01/08 : Autor(es): Zh.A. Frolkina and S.M. Kasatkina (Russia)
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On assessment of instantaneous natural mortality rate of mackerel icefish (Champsocephalus gunnari) from South Georgia subarea
Abstract: The applicability of various methods to assess icefish natural mortality is analysed ... . On the basis of the conclusions made the parameters of Bertalanffy’s growth equation and natural ... mortality rate are estimated. Author(s): Zh.A. Frolkina, R.S. Dorovskikh (Russia) Title: On assessment of ... instantaneous natural mortality rate of mackerel icefish (Champsocephalus gunnari) from South Georgia subarea ...
Meeting Document : WAMI-010/7 : Autor(es): Zh.A. Frolkina, R.S. Dorovskikh (Russia)
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A re-analysis of the Kerguelen Shelf and Skiff Bank stocks of Champsocephalus gunnari
Abstract: Catches of Champsocephalus gunnari from the Kerguelen Shelf and Skiff Bank stocks were ... -frequency data for the years 1981 to 1990. Cohort analysis yielded a Stock Biomass of 22 711 tonnes in 1988 ... for the Age 2 Kerguelen Shelf stock, an order of magnitude lower than that calculated from a biomass ... possible declining trend in the abundance of this stock. Author(s): G. Duhamel (France) and D.J. Agnew ...
Meeting Document : WG-FSA-90/17 : Autor(es): G. Duhamel (France) and D.J. Agnew (Secretariat)
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An initial analysis of data provided from the deployment of scientific observers in the krill fishery
Abstract: An analysis of the observer data provided from the krill fishery was undertaken using a ... range of complementary methods of data quality control and variance investigation. A sample pooling ... approach analysis on the other hand revealed the distribution of variance in krill length at different ... variability in krill length due to seasons, months and areas and this allowed estimates of variance ...
Meeting Document : WG-EMM-12/60 : Autor(es): S. Thanassekos (CCAMLR Secretariat), S. Candy (Australia), E. Appleyard (CCAMLR Secretariat), S. Kawaguchi (Australia) and K. Reid (CCAMLR Secretariat)
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Updated and revised stock assessments of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Kerguelen Islands (Division 58.5.1) and Crozet Islands (Subarea 58.6)
Abstract: An updated and revised assessment of the Patagonian toothfish (Dissostichus eleginoides ... results show stable estimates of biomass and SSB never fall below 60% of the initial biomass considering ... the actual level of catches (5100t in Kerguelen and 700t in Crozet). Author(s): S. Romain and G ... . Duhamel (France) Title: Updated and revised stock assessments of Patagonian toothfish (Dissostichus ...
Meeting Document : WG-FSA-14/36 Rev. 1 : Autor(es): S. Romain and G. Duhamel (France)
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Analysis of the data at the international exploratory toothfish fishery in the northern part of the Ross Sea (SSRUs 881 B, C and G).
Abstract: Analysis of the data from tooth fish fishery in the northern part of the Ross Sea (SSRU ... 88.1 B, C and G) revealed that the current approach to analyze longline fishery data in the presence of ... ): Delegation of the Russian Federation Title: Analysis of the data at the international exploratory toothfish ... fishery in the northern part of the Ross Sea (SSRUs 881 B, C and G). Approval: Approved Secretariat ...
Meeting Document : WG-SAM-16/26 Rev. 1 : Autor(es): Delegation of the Russian Federation
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Plan of research program of Ukraine in Subarea 88.3 in 2018
Abstract: The research of Dissostichus in Subarea 88.3 carried out by Chile in 1998, New Zealand ... in 2005, Russia in 2011 and 2012 and the Republic of Korea in 2016. It was noted that no tagged ... January to April, as ice conditions permit. It is planned that the number of longline sets will be 80 in ... Subarea 88.3 within 3 years. Author(s): Delegation of Ukraine Title: Plan of research program of Ukraine ...
Meeting Document : WG-SAM-17/19 : Autor(es): Delegation of Ukraine
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Plan of research program of the Ukraine in Subarea 88.3 in 2019
Abstract: The research of Dissostichus in Subarea 88.3 carried out by Chile in 1998, New Zealand ... in 2005, Russia in 2011 and 2012 and the Republic of Korea in 2017 and 2018. It was noted that no ... conducted from January to March, as ice conditions permit. It is planned that the number of longline sets ... 88.3 within 3 years. Author(s): Delegation of Ukraine Title: Plan of research program of the Ukraine ...
Meeting Document : WG-SAM-18/12 : Autor(es): Delegation of Ukraine