Search results
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STRONG EFFECTS OF ENVIRONMENTAL CONDITIONS ON REPRODUCTIVE SUCCESS OF PENGUINS AT KING GEORGE ISLAND
Abstract: Generalized linear and additive models suggest that large proportions of inter-annual ... variability in the reproductive success of Adélie, gentoo, and chinstrap penguins can be explained by simple ... ice extent measured during the winter prior to breeding also appears to be an important predictor of ... of directional climate change on the future of reproductive success in monitored populations. Author ...
Meeting Document : WG-EMM-09/43 : Author(s): J. Hinke, C. Reiss and W. Trivelpiece (USA)
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VPA as one of the approaches for settling a problem of Patagonian toothfish, Dissostichus eleginoides, population quantity (Subarea 48.3, South Georgia)
to make coefficients of fishing mortality F more precise by using catch data on age groups without ... 1984 to 1994 revealed that at a level of M = 14, the mean value of F is 0.148, while the toothfish ... calculations of F by adjusting the catch database and using variable parameters of natural mortality and mean ... fish weight. Author(s): Shlyakhov, V.A. Title: VPA as one of the approaches for settling a problem of ...
Meeting Document : WG-FSA-95/14 : Author(s): Shlyakhov, V.A.
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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 : Author(s): M.A. Collins and K. Ross (United Kingdom)
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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 : Author(s): Delegation of Ukraine
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Update of the Antarctic toothfish stock assessment for the Ross Sea by means of the TSVPA separable cohort model
Abstract: An updated Antarctic toothfish (in the Ross Sea) stock assessment was done by means of ... ). All the three sources of information taken separately (and together) indicate historical increase in ... stock biomass, perhaps, due to development (broadening) of the fishery. The results show that, according ... to the Constable & de la Mare (1996) decision rules, annual catches of 23 000 tonnes per year are ...
Meeting Document : WG-SAM-07/9 : Author(s): D. Vasilyev, K. Shust, V. Babayan and T. Bulgakova (Russia)
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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 : Author(s): C. Darby, T. Earl and H. Peat (United Kingdom)
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Stock assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Kerguelen Islands (Division 58.5.1) after the 2013 POKER Biomass survey
collect information of all the fish species including the mackerel icefish, Champsocephalus gunnari. Data ... from this random stratified trawl survey, added to the previous results of 2006 and 2010, was used for ... a short term assessment of C. gunnari on Kerguelen EEZ. The standard CCAMLR methods were used to ... provide potential yields, a catch limit of 840 t is recommended for 2014 and 580 t for 2015. Author(s ...
Meeting Document : WG-FSA-14/11 : Author(s): R. Sinegre and G. Duhamel (France)
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NEW REGIONAL-SCALE SURVEYS OF THE ADÉLIE PENGUIN BREEDING POPULATION IN PRYDZ BAY: A STEP TOWARDS IMPROVED ESTIMATION OF KRILL CONSUMPTION IN EAST ANTARCTICA
ecosystem models that might be used to inform the management of impacts due to climate change or fisheries ... . A review of historical Adélie penguin survey data in east Antarctica revealed Prydz Bay as a ... largest breeding population of Adélie penguins in east Antarctica but the most recent abundance survey was ... conducted 30 years ago. To understand current levels of prey consumption in east Antarctica it is therefore ...
Meeting Document : WG-EMM-11/32 : Author(s): C. Southwell, J. McKinlay, K. Newbery, L. Emmerson and J. Lieser (Australia)
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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 : Author(s): C. Reiss (USA) and M. Espino Sanchez (Peru)
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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 : Author(s): Delegation of Ukraine