Search results
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The annual random stratified trawl survey in the waters of Heard Island (Division 58.5.2) to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari for 2015
survey was 4.6 t, with the most abundant taxa being jellyfish and the poriferan sponges. Invertebrate ... was 4.6 t, with the most abundant taxa being jellyfish and the poriferan sponges. Invertebrate catches ...
Meeting Document : WG-FSA-15/11 : Author(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
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Data from recent trawl surveys in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), reveal an unusual cohort structure in the mackerel icefish (Champsocephalus gunnari) population
population, leading to a situation that is unusual for this region, with four or five successive year classes ... + cohort that dominated the population declined rapidly in late 2010. Two new cohorts are present in the ... all present simultaneously. A catch limit of 103 t is recommended for the 2011/12 season. Author(s ...
Meeting Document : WG-FSA-11/22 : Author(s): D.C. Welsford (Australia)
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Bacteria and detritus: Trophic modelling of the Ross Sea
of papers by Ducklow (Ducklow 1999; Ducklow et al. 2000, 2001; Monticelli et al. 2003). Concentrations ... Ducklow et al. (2001) give an effective depth of bacteria (the ratio of water column integrated average ... studies. Using a depth of 260 m (see above), measurements by Ducklow et al. (2000, 2001) are equivalent ... on measurements presented in a series of papers by Ducklow (Ducklow 1999; Ducklow et al. 2000, 2001 ...
Document : Site Section: Publications
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Revised proposal for a dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
Abstract: A dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season will be ... of 34 researchers from 4 countries are expected to be engaged. An initial plan of the survey was ... in this document. This revised proposal is presented to WG-EMM-18 with an intention to receive ... further comments from the participants. Every suggestion will be duly examined and incorporated where ...
Meeting Document : WG-EMM-18/17 : Author(s): H. Murase, K. Abe, R. Matsukura, H. Sasaki, T. Ichii and H. Morita
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ESTIMATION OF MANAGEMENT REFERENCE POINTS CONSISTENT WITH THE CATCH TRIGGER LEVEL FOR THE ANTARCTIC KRILL FISHERY IN AREA 48
terminated prematurely with a 40% increase in recruitment proportion SD. It is likely that this is due to a ... biomass reference points for the krill fishery in CCAMLR Area 48 consistent with the catch trigger level ... of 620,000 tonnes. Projections were run with various increased levels of recruitment variability to ... of F and SSB reference points for the krill stock in Area 48 consistent with the catch trigger level ...
Meeting Document : WG-EMM-11/17 : Author(s): T. Peatman, J. Moir Clark, D.J. Agnew (UK)
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CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island
npOMbICeJI KPHJI5I $lnoHHeti B aTOM patioHe He npHBeJI K COKPaIlleHHIO ere 6HOMaCCbI. BeJIHlIHHbI "Egui ... TpayJIepaMH B TeqeHHe ce30Ha 1987/88 r. 337 Pl-WYHOK 3: BeJUlqHHbI Cpe,llHerO YJIOBa 3a BpeM5 ... no MapT 1988r. Pl-WYHOK 4: BeJIHqHHbI cpe,llHerO YJIOBa 3a BpeM5.I TpaJIeHH5.I (MHHYTa) ,lIJI5.I Ka ... fished krill concentrations to the extent that a decrease in krill biomass in this area can be detected ... northern waters of Livingston Island in the 1987/88 season. It appears that Japanese trawlers have not ... among trawlers to be an objective indicator at present. File: 17-Endo-and-Ichii.pdf ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Author(s): Endo, Y. and T. Ichii
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands derived from a long-term monitoring program (1983–2006) at Potter Cover
of twenty four years, and at Harmony Cove, Nelson Island, in the austral summers from 2001 to 2003 ... years, and at Harmony Cove, Nelson Island, in the austral summers from 2001 to 2003. The decline ...
Meeting Document : WG-FSA-06/25 : Author(s): E.R. Barrera-Oro and E.R. Marschoff (Argentina)
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By-catch analysis as a part of progress report for the research fishery of Dissostichus spp. in Subarea 48.6 by Japan and South Africa during 2012/13–2016/17
the ice ridge research blocks 48.6_4 and 48.6_5. The results of the GLM and its model selection with ... AIC criteria indicates that the number of by-catch GRV individuals is higher at southern research ... number of by-catch individuals. Author(s): T. Okuda, S. Somhlaba and T. Ichii Title: By-catch analysis ...
Meeting Document : WG-SAM-17/44 : Author(s): T. Okuda, S. Somhlaba and T. Ichii
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By-catch analysis as a part of progress report for the research fishery of Dissostichus spp. in Divisions 58.4.3a and 58.4.4b by Japan and France during 2012/13–2016/17
the research block 58.4.3a. The results of the GLM and its model selection with AIC criteria indicates ... that the number of by-catch individuals is highest at the research block 58.4.4b_1 for GRV and ANT. As ... -catch pattern. Author(s): T. Okuda, A. Rigaud, R. Sinegre and T. Ichii Title: By-catch analysis as a ...
Meeting Document : WG-SAM-17/45 : Author(s): T. Okuda, A. Rigaud, R. Sinegre and T. Ichii
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e-cc-ix-a7.pdf
... on 8 August 1990 (COMM CIRC 90/36) suggesting that the Working Group concentrate on two issues in 1990 ... in: (i) F0.1; (ii) 95% confidence in the stock being above the current level in year 20 (denoted PL,20>0.95 ... in the table); (iii) 50% confidence in the stock being above GNAI in year 20 (denoted PGNAI,20=0.5 ... in the table); and (iv) 95% confidence in the stock being above GNAI in year 30 (denoted PGNAI,30=0 95 ... August 1990 (COMM CIRC 90/36) suggesting that the Working Group concentrate on two issues in 1990 ... involved setting TACs (which in practice would usually be by-catch limits) which would be in accord with ... recognised that refinement of the Commission’s policy for managing the recovery of depleted stocks would be ... , and that instances such as those described could be seen as the Commission failing to meet its
application/pdf attached to:WG-DAC-90Meeting Report : WG-DAC-90