Resultados de la búsqueda
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Semi-empirical acoustic estimates of krill biomass derived from simulated commercial fishery data based on single-frequency acoustics
the 3-frequency method using the CCAMLR protocol for the period between 1996 and 2011 in both the ... between these two areas and the 3-frequency biomass showed that models developed using a wide length ... long to average out differences among years. Author(s): A.M. Cossio, G.W. Watters, C.S. Reiss, J ... simulated commercial fishery data based on single-frequency acoustics Approval: Approved ...
Meeting Document : SG-ASAM-15/03 : Autor(es): A.M. Cossio, G.W. Watters, C.S. Reiss, J. Hinke and D. Kinzey (USA)
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Educational observer on board fishing vessels in Brazil
Abstract: We inquired several social aspects of two Brazilian crews working in pelagic longline ... while on board. We believe seabird mortality rate due to incidental capture by fishing vessels can be ... greatly reduced if level of awareness is increased through environmental education for it increases the ... /obligation on the usage of these measures is in force. Author(s): Delegation of Brazil Title: Educational ...
Meeting Document : SC-CAMLR-XXV/BG/20 : Autor(es): Delegation of Brazil
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Report on the monitoring program of chinstrap and gentoo penguins at Narębski Point (ASPA No. 171), King George Island, since 2006
conducted an annual survey on the breeding biology of Chinstrap (Pygoscelis antarctica) and Gentoo penguins ... pairs has been steadily declining for both species. The breeding success of the two penguin species is ... also on a decreasing trend since 2009/2010, albeit an inter-annual fluctuation. Author(s): Delegation ... Protected Area, No. 171), Barton Peninsula on King George Island. Since 2012/2013, the number of breeding ...
Meeting Document : WG-EMM-16/62 : Autor(es): Delegation of the Republic of Korea
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ON INCIDENTAL MORTALITY OF ANTARCTIC KRILL AT KRILL FISHERY
low catchability, as a rule, 10-20%. The experiments showed that while percolated through large meshes ... meshes of the trawl codend 60 to 100% of individuals perished. There are two main aspects of this problem ... : economic and ecological. Author(s): L. Pshenichnov (Ukraine) Title: ON INCIDENTAL MORTALITY OF ANTARCTIC ...
Meeting Document : WG-EMM-09/11 : Autor(es): L. Pshenichnov (Ukraine)
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ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA
fish, observer data sets on Japanese krill fishery from 1995 to 2008 were analyzed by using a ... hierarchical Bayesian model. The model was composed of multistage cluster units (i.e., years, subarea, vessels ... , and haul) based on a state-space model, which can separate biological process error in the population ... length and bycatch fish number, the parameters estimated by MCMC showed the variation among years ...
Meeting Document : WG-EMM-11/39 : Autor(es): T. Okuda and M. Kiyota (Japan)
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On the use of baited remote underwater video to study Antarctic toothfish distribution under the sea-ice: from data collection to processing
of predictive variables, including an approach to account for bias in counting the number of ... and Italy, from 2015 to 2018 a series of BRUV samplings have been carried out from the fast ice of ... to obtain from the videos recorded information on abundance and size distribution related to a series ... individuals attracted to the bait. Because we are now focussed on developing the method, the results are ...
Meeting Document : WG-EMM-2019/50 : Autor(es): D. Di Blasi, S. Canese, E. Carlig, L. Ghigliotti, S.J. Parker and M. Vacchi
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Joint report on exploratory fishing in Divisions 58.4.1 and 58.4.2 between the 2011/12 and 2017/18 fishing seasons
2018 will be submitted to WG-FSA-18. The summaries provided herein were generated using an R-Markdown ... Abstract: Robust stock assessments and catch limits for Dissostichus mawsoni according to CCAMLR ... decision rules remain to be determined for Divisions 58.4.1 and 58.4.2, and precautionary management ... multi-member toothfish exploratory fishery research plan for these Divisions, including research ...
Meeting Document : WG-SAM-18/35 Rev. 1 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Population status of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica, based on photo-identification studies
175 there annually. Despite high turnover of different whales between years, we used a Bayesian mark ... -recapture approach to identify a seasonal ‘resident’ population with an average annual abundance of 55 ... individuals resighted over 2-14 years. Contrary to recent reports that commercial overfishing of Antarctic ... McMurdo Sound, Antarctica, based on photo-identification studies Microsoft Word File: emm-16-50.docx ...
Meeting Document : WG-EMM-16/50 : Autor(es): R. Pitman, H. Fearnbach and J.W. Durban
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Preliminary report of outcomes of the 2nd international workshop on the ICED Southern Ocean Sentinel, held in Hobart Australia 7–11 May 2012
the discussion on strategies for measuring change in Southern Ocean marine ecosystems, including ship ... benchmarking Southern Ocean ecosystems in 2020 and for establishing routine activities for estimating change in ... Abstract: The 2nd international workshop on the ICED Southern Ocean Sentinel was held at CCAMLR ... Headquarters on 7-11 May 2012 in Hobart, Australia, hosted by the Australian Antarctic Division and the ...
Meeting Document : WG-EMM-12/59 : Autor(es): A. Constable (Australia)
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Longline sink rates on a bottom autoline vessel in New Zealand: draft
have quite noticeable effects on line sink rate for 20- 40 m either side of the attached weight. Given ... Abstract: Longline sink rates were investigated using Time Depth Recorders on a bottom autoline ... the effect that adding weights to the line had on its sink rate. The vessel used Mustad autoline ... collected initially to give an information baseline. Further trials were then conducted using added weights ...
Meeting Document : WG-FSA-98/51 : Autor(es): N.W. McL. Smith (New Zealand)