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New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands
the inner shelf has enabled a new cohort of fish to be identified each year. However, annual ... outer shelf. The three-year cycle observed previously seems to be related to the maturation stage of ... CCAMLR Science, Vol. 2 (1995): 21-34 NEW DATA ON ... the inner shelf has enabled a new cohort of fish to be identified each year. However, annual ... outer shelf. The three-year cycle observed previously seems to be related to the maturation stage of ... from the situation around South Georgia but seems to be comparable to the catch history around the ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Автор(ы): Duhamel, G
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Krill biomass in Area 48 and Area 58: recalculations of FIBEX data
-Krill has recommended that a revised TS!1ength relationship should now be used (SC-CAMLR, 1991b) for ... to set the precautionary catch limits, SC-CAMLR has requested that the FIBEX data should be re ... calculate kriU biomass by statistical subareas within Area 48 (West Atlantic) but should also be extended ... olmberg could not be used. The original FIBEX acoustic echocharts were therefore examined by Dr A ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Автор(ы): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss
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SC-CAMLR-SSP-2
/82 (SLOSAR- CZYK et al., 1984). Evaluated s tock s i ze of 8 134 t (table 1) may be an ... ncrease in catches in 1982/83 to 128 ,000 t can thus partly be explained by the recruitment of one or ... OUEHKA EHOMACC~ P~EHHX 3AilACOB B PAfiOHE 0-BA D~HAH rEOPrHH B HHBAPE-~EBPA.JlE 1985 r. IlPE ... effet sur le repeuplement des reserves. OUEHKA EHOMACCH PHEHHX 3AilACOB B PAHOHE 0-BA ~~HAH rEOPrHH ...
Document : Site Section: The Organisation
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Fishery Report: Dissostichus eleginoides (TOP) Heard Island (Division 58.5.2)
selectivity and because the longline fishery occurs in deeper water where toothfish tend to be larger. 5 ... likely to be biased by changes in factors such as the characteristics/number of vessels in the fishery ... Ocean sector there appears to be no distinction between fish at Heard, Kerguelen, Crozet or Marion ... ). The survey design was consolidated in 2001 and the distribution of stations to be undertaken during a ...
Document : Site Section: Publications
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Fishery Report 2014: Dissostichus eleginoides Heard Island (Division 58.5.2)
appear to be genetically homogenous (Appleyard et al., 2004) and distinctly different from those at more ... from <1 500 m and longline from >1 500 m depth. The assessment model estimated virgin biomass B0 ... median B0 of 108 586 tonnes (92 263–132 167; 95% CI), with the median spawning stock biomass (SSB) at ... 0.65 (0.59–0.71) of B0. Annual estimates of SSB status relative to virgin SSB and YCS are given in ...
Document : Site Section: Publications
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Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
mackerel icefish were found to be widely dispersed over the upper part of the shelf (Everson et al., 1991a ... ) in 3 877 fish which were randomly collected on 44 out of 87 stations sampled during the survey ... (Figure 3). It cannot be excluded that part of this variation may be due to variations in sample size (60 ... lower than in 1977/78 (Figure 3), a season when krill biomass around the island was found to be very ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Автор(ы): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski
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Age-structured production model for toothfish at South Georgia
Abstract: The ASPM model used by Agnew and Kirkwood (2004, WG-FSA-04/82) has been modified ... selectivity parameters allowed to be estimated on an annual basis the fits are substantially improved. However ... , by allowing all parameters to be estimated in this way the model is over-parameterised and regularly ...
Meeting Document : WG-FSA-SAM-05/18 : Автор(ы): A. Payne, G.P. Kirkwood, R. Hillary and D.J. Agnew (United Kingdom)
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Volume 24: CCAMLR. 2012. Statistical Bulletin, Vol. 24 (2002–2011). CCAMLR, Hobart, Australia.
24 should be amended accordingly. The total catch of all species in 2010/11 is 197 820 tonnes ... species and area/subarea/division .......................... 87 Table 8 Catch and effort by species and ... this is the case, the values given in the present volume should be considered to be more accurate ... . This volume of the Statistical Bulletin should be referenced as: Hardcopy version CCAMLR. 2012 ...
Document : Site Section: Publications
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Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)
fishery occurring in deeper water where toothfish tend to be larger. Figure 1: Catch-weighted length ... appears to be no distinction between fish at Heard, Kerguelen, Crozet or Marion/Prince Edward Islands ... 85 694 158 21 2006 1 May SC DT 85 694 85 694 158 12 2007 1 Jul SC DT 83 936 83 936 158 12 2008 1 ... Jul SC DT 83 936 83 936 158 4 2009 1 Apr–May SC DT 83 936 83 936 161 19 2010a 1 Apr SC DT 83 936 83 ...
Document : Site Section: Publications
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
, 2.5 and 3.5 years were estimated to be 14, 28, 37 and 46 cm total length (TL) respectively. These ... fish younger than 3.5 years. Counting translucent zones in the otoliths of D. mawsoni appears to be a ... 0.9 – 139 140 – 21 840066 28 Nov 82 22 Oct 84 2.0 2 133 133 – 19 A00950 27 Nov 87 24 Nov 94 7.0 7 ... 09horn et al for pdf.indd CCAMLR Science, Vol. 10 ... . Mean fi sh lengths at ages 0.5, 1.5, 2.5 and 3.5 years were estimated to be 14, 28, 37 and 46 cm total ... the otoliths of D. mawsoni appears to be a valid method for determining the age of this species. In ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Автор(ы): Horn, P.L., C.P. Sutton and A.L. DeVries
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