Resultados de la búsqueda
-
Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
used to estimate the number of Concentrations of krill (in the sense of Butterworth (1988), Mangel ... (1988)) in a given region of the southern ocean. Sample computations are performed, using data collected ... Africa) Title: Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the ... number of concentrations and analytical justification for search data Approval: Approved ...
Meeting Document : WS-KCPUE-89/06 : Autor(es): M. Mangel (South Africa)
-
Review of the efficacy of the early season extension in the Patagonian toothfish fishery in Subarea 48.3 and proposal for further season extension
of the Patagonian toothfish fishery in sub-Area 48.3. This allowed vessels that had been 100 ... days early in 2011 (April 20th). In 2011, following the success of the initial trial, CCAMLR agreed to ... either 2012 or 2013. Given the success of the trial, it is proposed that the start date of the season be ... brought forward to the 16th April and that a further two trial extensions (each of 5 days) be allowed ...
Meeting Document : WG-FSA-13/32 : Autor(es): M.A. Collins and K. Ross (United Kingdom)
-
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 : Autor(es): C. Reiss (USA) and M. Espino Sanchez (Peru)
-
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 : Autor(es): C. Darby, T. Earl and H. Peat (United Kingdom)
-
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)
-
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)
-
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 : Autor(es): C. Reiss and A. Cossio (USA)
-
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)
-
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
-
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 : Autor(es): Delegation of Ukraine