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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL
Division 58.5.2), using CASAL and data consisting of multi-year random stratified trawl survey (RSTS ... data included in the model, age-4 and 5 fish are fully selected, whereas when the survey data have ... at ea u s L s U a 1 a 2 SG 3 19 90 SG 5 19 93 SG 2 19 99 SG 7 20 03 SG 1 a2 -e ... id (s 2) 0 0 0 0 0 0 0 17 6 30 6 38 0 24 1 66 L on gl in e E (f 7 ... ) M id (s 2) 0 0 0 0 0 0 0 0 25 95 0 0 IU U (I U U ) 30 00 71 17 ... y re m ov al s 30 00 89 30 77 51 38 45 47 09 49 24 62 01 41 15 32 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Autor(es): Candy, S.G and A.J. Constable
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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-12
Meeting 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 ...
Document : Site Section: Publications
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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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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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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-14
Meeting Report : WG-FSA-14
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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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Foraging behaviour of Antarctic fur seals during periods of contrasting prey abundance
Abstract: Published in Journal of Animal Ecology (1994) 63, 000-000 Author(s): I.L. Boyd, J.P.Y ...
Meeting Document : WG-CEMP-94/12 : Autor(es): I.L. Boyd, J.P.Y. Arnould, T. Barton and J.P. Croxall (United Kingdom)
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THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL
here. Our results demonstrate that i) status quo management may jeopardize the Commission039;s ... allocation has met the "burden of proof" that would be required for decision making. Author(s ... ability to achieve the objectives specified in Article II, and ii) the current trigger level is not as ... ): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom) Title ...
Meeting Document : WG-EMM-09/12 : Autor(es): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)