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Fishery Report 2013: Dissostichus eleginoides South Georgia (Subarea 48.3)
60 70 80 90 100 + Proportion surviving 1.0 0.96 0.95 0.95 0.94 0.83 0.8 19. Since the length ... . 10 30. If the by-catch of skates and rays or macrourids exceeds 1 tonne in any one haul or set ... . 2012 represents the 2011/12 CCAMLR fishing season (from 1 December 2011 to 30 November 2012 ... for the past two seasons (2012 and 2013) for Management Areas A, B and C (see Figure 1) were set at 0 ...
Document : Site Section: Publications
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e-sc-xxxi-a07.pdf
... median fish length in SSRUs 881H and I over the last two to three years. This appears to be at least ... dependence of the fishery on only one or two cohorts and the problems associated with this in projecting ... obtain additional age-based information for earlier years of the fishery. 5.30 The assessment ... on the age structure of the population in subsequent years. The Working Group discussed the apparent
application/pdf attached to:WG-FSA-12Meeting Report : WG-FSA-12
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Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)
proportion 40 1 50 0.95 60 0.95 70 0.95 80 0.9 90 0.85 100 0.83 110 0.83 20. Exploratory runs and ... will become clearer when the 2001 cohort has fully recruited to the fishery in one or two years. 31 ... distinguish between these two hypotheses but it will be possible to do this with one or two years of ... groundfish survey hauls shallower than 400 m around Shag Rocks. Length (cm) Year 10 15 20 25 30 35 40 45 ...
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
0 2 4 6 8 10 12 14 16 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Catch per vessel ... exceeded 10 tonnes, more than 80% of the krill were dam- aged and losses of the raw krill material could ... 1986 to 1991 (RIF statistics). 0 5 10 15 20 25 30 35 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... s pe r d ay 0. 17 47 32 2 37 8 0. 22 23 54 0. 17 90 73 87 1 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Autor(es): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov
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e-sc-xxxiii-a7.pdf
... by one trawl and three longline vessels and the total reported catch up to 20 September 2014 was 1 ... /34, which improved the information available on fish older than 20 years and led to a re-estimation ... noted that the likelihood profile indicated that B0 is most likely to have been above 80 000–90 000 ... estimate that resulted from the inclusion of the two most recent years of tagging data as presented in WG
application/pdf attached to:WG-FSA-14Meeting Report : WG-FSA-14
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
paper. It was found that during the first years of life the linear growth rate is 3 to 5 cm per year. It ... decreases by a maximum of 1 cm during the last years of life. Maximum annual weight increments of 100 to 120 ... Paper Title: Growth and age/length structure of populations of Notothenia (Lepidonotothen ... : Age, growth and age/length composition of populations of grey rockcod (Notothenia (Lepidonotothen ... 20 to 36 cm in length, aged 4 to 12 (T =8 years) and on the Lena Bank - 22 to 32 cm in length, aged ... theoretical maximum length and one-third of its maximum body weight at the age of 9 years on the Lena Bank ... , although with the fairly constant mean age of the population over the last two years, the proportion of ... ) primarily older aged fish were taken (8 to 13 years), comprising from 67.8 to 92.6% of the total (Figure 5 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Autor(es): Zaitsev, A.K.
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On the state of Champsocephalus gunnari stock in Subarea 48.3 and methods of its assessment
Island subarea (48.3), when during 1.5 months two fishing vessels (Russia and Chile) caught more than 4 ... stock assessment was repeatedly raised on the meetings of Working Group on Fish Stock Assessment (WGFSA ... icefish concentrations reaches 40-50 m;- at scientific trawlings the use of trawls with mesh less than 80 ... surveys in 1990). As a result, over more than 10 years bottom surveys pervert the real state of near ...
Meeting Document : WG-FSA-00/45 : Autor(es): K. Shust, V. Senioukov, P. Gasiukov and A. Kozlov (Russia)
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Annual variation in the timing of reproduction in Antarctic fur seals (Arctocephalus gazella) at Bird Island, South Georgia
, which is less synchronous within years than female arrival, was significantly later in 1987 than in any ... usually started when 80% or more of potential territory sites were occupied by males. Cows arrived ... away from the area of reduced food availability earlier than females and because they have a more ... breeding of male and female Antarctic fur seals are discussed. Author(s): C.D. Duck (United Kingdom) Title ...
Meeting Document : WG-CEMP-90/39 : Autor(es): C.D. Duck (United Kingdom)
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A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
October to 30 September, thus including one summer and one winter period. The estimated mean toothfish ... there must have been at least one encounter with an FPV in a year; no encounters in a year are ... measures. Three years were analysed: 1998/99, 1999/2000 and 2000/01. Each year fully covered the period 1 ... respectively (a total over the three years of 1 994 tonnes). The distribution of estimated total bird catch was ... ) W ei gh ti ng fa ct or S A rg os H el en a 26 -F eb -9 7 20 -A ug -9 7 9 30 3. 49 ... 91 .9 1 14 2 1. 54 5 9 S C is ne V er de 20 -M ar -9 7 30 -M ay -9 7 6 99 .8 ... 30°W 50°S 52°S 54°S 56°S 6 123 Statistical method for estimating the level of IUU fi shing ... and IUU cruises – there would be as much chance of detection if the two cruises overlapped by one ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Autor(es): Agnew, D.J. and G.P. Kirkwood
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.2
-5 5 Longitude La tit ud e 60 80 100 120 140 160 M ed ia n S iz e (c m ) 58.4.1 A ... Longitude La tit ud e 60 80 100 120 140 160 M ed ia n S iz e (c m ) 58.4.1 A 58.4.1 B ... two years of the fishery when that SSRU was open to fishing. Table 2: Research (R) and commercial ... . two tags per skate) at a rate of one skate in every five skates caught in exploratory fisheries, up ...
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