Search results
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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
for 2018 will be submitted to WG-FSA-18. The summaries provided herein were generated using an R-Markdown ... the quantity of data and samples collected. Reports relating to specific research milestones for 2018 ...
Meeting Document : WG-SAM-18/35 Rev. 1 : Author(s): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations
biomass. The size of the windfall is expressed as being equivalent to a number of years of sustainable ... by the sum of the number of years in the catch series and this windfall ratio. Input information includes ... the sum of catches and associated number of years, the relative reduction in biomass during that period ... , the natural mortality rate (M, which should be,0.2 year21), and the assumed ratio of FMSY to M. These input ...
Meeting Document : WG-SAM-11/P3 : Author(s): A.D. McCall
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Summary of Ross Sea skate tagging programme results
years, and 47 (0.5%) have been recaptured. The recapture of tagged Amblyraja georgiana after up to four ... years at liberty shows that some skates survive and recover from being hauled out of depths of around ... , and probably increases the survival of released animals. Unfortunately, this means that length at release can ... little, even after four years at liberty. There was no movement between SSRUs, and the maximum distance ...
Meeting Document : WG-FSA-06/32 : Author(s): S.L. Ballara, A. Dunn and M.P. Francis (New Zealand)
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Variability of krill fishery operations in Subarea 48.2 in relation to fishing methods: spatial–temporal distribution of CPUE and of fishing efforts
of standardized CPUE indices in the Subarea 48.2 for the last 25 years. The paper provides the analysis of spatial ... . It was shown how fishery operated by years and month in each SSMUs with special attention to differences ... of the influence of changing environment. The temporal pattern of fishing locations was consistent between years ... of standardized CPUE indices in the Subarea 48.2 for the last 25 years. The paper provides the analysis of spatial ...
Meeting Document : WG-EMM-14/22 : Author(s): S. Kasatkina (Russia)
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Skate tagging in the Heard Island and McDonald Island (Division 58.5.2) toothfish fishery up to 2013
. Growth increments for tagged and recaptured B. eatonii indicated growth of ~20mm/year for both sexes ... for tagged and recaptured B. eatonii indicated growth of ~20mm/year for both sexes between 600 and 1000mm ... and biology of these species. In the 13 years, over 12,000 skates have been tagged, with 112 recaptures ... in all directions. Most recaptures occurred within the first three years, with the maximum time ...
Meeting Document : WG-FSA-13/22 : Author(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
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A drone-based Antarctic fur seal (Arctocephalus gazella) census of the St. Telmo Islands, South Shetland Archipelago
during the 2018-19 field season. The APH-28 provided a minimally-invasive, robust, and accurate (error ... during the 2018-19 field season. The APH-28 provided a minimally-invasive, robust, and accurate (error ...
Meeting Document : WG-EMM-2019/65 : Author(s): D.J. Krause and M.E. Goebel
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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
, from 2015 to 2018 a series of BRUV samplings have been carried out from the fast ice of McMurdo Sound ... , from 2015 to 2018 a series of BRUV samplings have been carried out from the fast ice of McMurdo Sound ...
Meeting Document : WG-EMM-2019/50 : Author(s): D. Di Blasi, S. Canese, E. Carlig, L. Ghigliotti, S.J. Parker and M. Vacchi
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Characterisation of skate catches in the Ross Sea region
in the Ross Sea Region, including the data collected in the two “Year of the Skate” fishing seasons in 2008/09 ... suggesting Eaton cf. skates might grow to larger sizes than starry skates. During the “Years of the Skate ... calculated for toothfish. The “Years of the Skate” have been instrumental in collecting further data ... of data in specific years rather than small amounts of data in many years. An updated risk assessment ...
Meeting Document : WG-FSA-10/25 : Author(s): S. Mormede and A. Dunn (New Zealand)
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
, sagittal otoliths were examined from D. mawsoni that had been injected with oxytetracycline some years ... that the modes represented year classes and that one translucent zone is formed annually in otoliths of juvenile ... D. mawsoni. Mean fish lengths at ages 0.5, 1.5, 2.5, and 3.5 years were estimated to be 14, 28, 37, and 46 cm ... of data that was large but lacked any fish younger than 3.5 years. Counting translucent zones ...
Meeting Document : WG-FSA-02/33 : Author(s): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)
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Proposal for a CCAMLR-sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea
years in Subarea 88.1 and for nine years in Subarea 88.2. The research and assessment work ... locations in different years, making it impossible to develop a consistent time series that would monitor ... The exploratory longline fishery for Dissostichus spp. has now been operating for 14 years ... in Subarea 88.1 and for nine years in Subarea 88.2. The research and assessment work in these areas ...
Meeting Document : SC-CAMLR-XXX/07 : Author(s): Delegation of New Zealand