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Revised reports on abundance and biological information on toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2011/12
to May 19, 2012. Total catch (excluding tagged and released fish) of Dissostichus eleginoides was 28.3 ... , respectively. Fish with good physical condition and single-hooked contributed 50 % to the total among fish ... caught by Spanish line system, while this kind of fish contributed 14 % to the total among fish caught ... , 2012. Total catch (excluding tagged and released fish) of Dissostichus eleginoides was 28.3 tonnes ...
Meeting Document : WG-FSA-12/57 : Author(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
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Investigating emigration in stock assessment models of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H
in the recaptures of tagged fish seen in the SSRU 88.2H fishery. The patterns showed a sharp decay rate of a cohort ... of tagged fish with few being recaptured after more than 3 years at liberty, a steepening of the decay rate ... over time, and a trend for increasing proportions of tagged fish caught over time. To help understand ... in the recapture rates of a cohort of tagged fish through time cannot be explained solely by emigration (a process ...
Meeting Document : WG-FSA-14/56 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)
that M was between 0.22 and 0.38. The CCAMLR Working Group on Fish Stock Assessment later adopted 0.35 as the value ... methods. Therefore in 1989 the CCAMLR Working Group on Fish Stock Assessment used M=0.50 in its ... procedures. The basic algorithms are described below. (i) The Baranov Method (1914): When fishing ... Z=M and where Nil = catch of age group a which is fully represented in the catch; and Ell = fishing effort ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Author(s): Frolkina, G.A. and R.S. Dorovskikh
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WG-FSA-85
Full Name: Ad hoc Working Group on Fish Stock Assessment Location: Hobart, Australia Date ... documents Doc Number Title WG-FSA-85/01 Draft Agenda Fish Stock Assessment Working Group 23–30 August, 1985 ... WG-FSA-85/02 Note on Available Data and Programs for Fish Stock Assessment Secretariat WG-FSA-85/03 ... Fischer 1885 in January/February 1985 K.-H. Kock (FRG) WG-FSA-85/04 Estimates of Fish Stock Biomass around ...
Meeting
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Pilot study using electronic satellite tags to determine movements of Antarctic toothfish in the Ross Sea region
along the Ross Sea continental slope in January 2012. They will be programmed to pop-off the fish, float ... for members to distribute to vessels, crew and observers given the chance that these fish may be encountered ... in the fishery. The announcement details what to do if a satellite tagged fish is encountered, and who should ... Sea continental slope in January 2012. They will be programmed to pop-off the fish, float ...
Meeting Document : WG-FSA-11/49 : Author(s): S. Parker (New Zealand)
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Comparative study of the size composition of catches of D. eleginoides taken during the 25th expedition of the RV Akademic Knipovich in January 1990 (Subarea 48.3)
toothfish consisted of juveniles 21–37 cm in length, immature fishes 41–78 cm in length and mature fishes 80 ... of fish taken from different parts of the South Georgia shelf and the Shag Rocks shelf. Author(s): VNIRO ... toothfish consisted of juveniles 21–37 cm in length, immature fishes 41–78 cm in length and mature fishes 80 ... of fish taken from different parts of the South Georgia shelf and the Shag Rocks shelf. ...
Meeting Document : WG-FSA-97/12 : Author(s): VNIRO (Russia)
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Methods of age determination for mackerel icefish (Champsocephalus gunnari Lönnberg 1905) from the South Georgia Island shelf
on length frequency distribution of fish in catches simultaneously with otolith radii of fish taken ... of fish longer than 30 cm having an enlarged otolith centre. An age/length key for the third quarter ... Georgia shelf were determined by analyzing data on length frequency distribution of fish in catches ... simultaneously with otolith radii of fish taken in the period July to September. The latter was done using ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 37–49 : Author(s): Frolkina, Zh.A.
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Observer sampling requirements for Dissostichus spp.
in addition to the sample number in the table. Sample numbers in the table below indicate sampling of all fish ... changes, the sampling rate should be up to 7 fish per 1 000 hooks. As a practical procedure to achieve ... the desired samples, observers should sample up to 10 fish per line for Type III (which includes all type II ... data plus 10 otoliths), then up to 25 fish per line for Type II, to an overall total of 35 fish per ...
Page : Site Section: Science
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Reports on abundance and biological information of toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2013/14 season
. Fish in single-hooked and good physical condition constituted 72.6 and 74.1 % of the total catch ... in the block 58.4.4b_1 and 58.4.4b_2, respectively. Accordingly sufficient numbers of fish suitable for tagging ... was captured by using the normal trotline system as well as in the preceding season. A total of 159 fish ... of 5 and 4 fish of D. eleginoides, which were tagged and released in the block 58.4.4b_1 and 58.4.4b_2 ...
Meeting Document : WG-SAM-15/14 : Author(s): Delegation of Japan
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Preliminary results of pop-up satellite tag study on Antarctic toothfish in the Mawson Sea
by a Korean scientific observer. The same observer recovered the fish a year later. The days of liberty were ... over a year (366 days). The vertical movement of the fish shows strong and contrasting patterns ... . The most significant pattern was the fish staying at the same depth for a couple months. The vigorous diel ... scientific observer. The same observer recovered the fish a year later. The days of liberty were over a year ...
Meeting Document : WG-FSA-16/08 : Author(s): Delegation of the Republic of Korea