Résultats de la recherche
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A comparison of gear selectivity among three fishing gears for Antarctic krill with notes on the demographic patterns and productivity of Antarctic krill during summer 2014
Abstract: Three different trawls were used to sample Antarctic krill for the determination of ... largest range of krill (15mm to 60mm), while the ENGEL trawl captured the narrowest (27 to 61), and the ... number of tows should be considered when designing fishery based sampling to augment research surveys ... using fishing vessels if research gear cannot be accommodated. The patterns of krill length frequency ...
Meeting Document : WG-EMM-14/37 : Auteur(s): C. Reiss (USA) and M. Espino Sanchez (Peru)
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An evaluation of the performance of the CCAMLR mackerel icefish (Champsocephalus gunnari) harvest control rule as applied within CCAMLR Subarea 48.3
Abstract: A retrospective analysis and sensitivity evaluation of the performance of the CCAMLR ... review indicates that the approach is providing consistent, precautionary estimates of future biomass and ... levels of exploitation that are considered precautionary and would conform to the ecosystem approach by ... Kingdom) Title: An evaluation of the performance of the CCAMLR mackerel icefish (Champsocephalus gunnari ...
Meeting Document : WG-SAM-13/31 Rev. 1 : Auteur(s): C. Darby, T. Earl and H. Peat (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 : Auteur(s): E. van Wijk, T. Pauly, A. Constable and R. Williams (Australia)
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COMPARISON OF THE BIOMASS OF ANTARCTIC KRILL, (EUPHAUSIA SUPERBA), AROUND THE SOUTH SHETLAND AND SOUTH ORKNEY ISLANDS IN THREE YEARS: 1999, 2000 AND 2008
Abstract: Using a combination of techniques, we examine data from three cruises in 1999, 2000 and ... 2008 to calculate the biomass and demographic characteristics of Antarctic krill (Euphausia superba ... distributions of krill between Elephant Island and the South Orkney Islands were similar. The similarity in ... length frequency distributions suggest that acoustic data collected as part of US AMLR finfish surveys ...
Meeting Document : WG-EMM-08/26 : Auteur(s): C. Reiss and A. Cossio (USA)
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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 : Auteur(s): G. Duhamel (France) and D.J. Agnew (Secretariat)
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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 : Auteur(s): Delegation of Ukraine
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Plan of research program of the Ukraine in Subarea 48.1 in 2019
Abstract: Ukraine proposes to carry out a scientific survey of Dissostichus spp. by bottom ... longline in the eastern part of Subarea 48.1. Author(s): Delegation of Ukraine Title: Plan of research ... program of the Ukraine in Subarea 48.1 in 2019 Approval: Approved Secretariat Workflow Status: Content ...
Meeting Document : WG-SAM-18/11 : Auteur(s): 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 : Auteur(s): Delegation of Ukraine
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New results of oceanological research obtained on Ukrainian longline vessels in the CCAMLR area of responsibility in the season 2018-2019
longline fishery ships, worked in the CCAMLR area. Information about vertical distribution of temperature ... masses and relationship of temperature with catches of toothfish in Weddell, Ross and Amundsen Seas are ... presented. Some conclusions were made why Ross Sea is characterized by the highest catches of toothfish per ... Title: New results of oceanological research obtained on Ukrainian longline vessels in the CCAMLR area ...
Meeting Document : WG-FSA-2019/38 : Auteur(s): V. Paramonov, L. Pshenichnov, I. Slypko, P. Zabroda, A. Bazhan and T. Pestovskyi
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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 : Auteur(s): Zh.A. Frolkina, R.S. Dorovskikh (Russia)