Search results
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Results of fish larvae sampling by means of fine-meshed samplers attached to a bottom trawl
Nototheniidae, and among them Nototheniops larseni (9.3-20.5 mm). The abundance of postlarval fish was highest ... (9.3-20.5 mm). The abundance of postlarval fish was highest in the shallow (108-166 m), nearshore ... with potassium hydroxide (for subsequent ageing of larvae). Unfortunately the buffer caused fading of pigment ... wlokach. Studia i Materialy Morsk Inst Ryp Gdynia C 30: 134 p. 73 Table 1: Station 19 20 22 ... 1200 37 420 na 170 500 38 100 330 1 0 140 45 20 70 420 300 46 300 660 1000 420 67 80 220 460 320 ... 250 123 190 * 220 70 124 50 * 320 320 127 50 * 680 80 130 20 * 60 * * damaged sampler 77 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 69-86 : Author(s): Ślósarczyk, W. and I. Wójcik
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRU 88.2E for the years 2002–03 to 2010–11
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... -at-age and tag-recapture data from selected trips and all vessel trips. The 2011 reference case model ... We provide an update of the Bayesian sex and age structured population stock assessment model ... for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, catch-at-age and tag ...
Meeting Document : WG-FSA-11/44 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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A rationale for conservation areas within Antarctic waters
: The application of potential conservation measures listed in Article IX 2 of the Convention requires ... resources’ (Article IX 2 (b)). In order to select meaningful boundaries for such areas, first priority has ... potential conservation areas are proposed: 70°W- 15°W 15°W- 40°E 40°E- 90°E 90°E- 150°E 150°E- 160°W 160 ... The application of potential conservation measures listed in Article IX 2 of the Convention ... consistently different proportions of body pigment patterns and differing age/size composition as a result ... ~ 5 : I I I I I I - 528 - DEGREES EAST DEGREES WEST I 20 40 60 eo 100 120 140 160 180 160 140 120 100 80 60 11 ... and Erickson, 1977) . 100· 120· - 530 - 60· 80· 100· 120· 140· 160· - 20,000 BREEDING PAIRS ... . nepepa60TKa KI1rOM (1986 r.) AaHHblx .n:pro~pa (1983 r.). B03MO~Hhle paiOHhl ynpaBneHI1H B 30He AeicTBI1H ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 513-535 : Author(s): Chittleborough, R.G.
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022
years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... will be presented to WG-FSA for review each year and the results included in the stock assessment. A full review ... This paper proposes to continue the Ross Sea shelf toothfish survey for the next five years, 2018 ... will be presented to WG-FSA for review each year and the results included in the stock assessment. A full review ...
Meeting Document : WG-SAM-17/39 : Author(s): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022
years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... will be presented to WG-FSA for review each year and the results included in the stock assessment. A full review ... This paper proposes to continue the Ross Sea shelf toothfish survey for the next five years, 2018 ... will be presented to WG-FSA for review each year and the results included in the stock assessment. A full review ...
Meeting Document : WG-FSA-18/41 : Author(s): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn
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Schedule of Conservation Measures in Force 2010/11
adopted by the Commission in accordance with Article IX of the Convention on the Conservation ... uniquely identifying the measure within that category; the year in which the latest version ... of Conservation Measures Adopted Each Year.................................. (xl) CONSERVATION MEASURE 10-01 ... ).......................... 15 Annex 10-04/A ............................................................................ 20 ...
Document : Site Section: Publications
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Management and assessment options for the crab fishery around South Georgia
animals. The size at which moulting occurs less than once a year can often be simply estimated and gives ... , COBMeCTPiMOM C paCmtipeHl.leM H~eIQqeficR An2 04eHKH H H ~ O ~ M ~ Q U O H H O W 6a3b1. Resumen En 1992 ... fishery in Subarea 48.3 with specific reference to Article I1 of the CCAMLR Convention. In the final ... part of the stock. The target for the Alaskan king crab is between 20 and 60% depending on whether ... for a conservative approach to management. Such an approach includes the use of catch/effort controls ... Paper Title: Management and assessment options for the crab fishery around South Georgia Abstract ... / Description: A new fishery for the lithodid crab, Paralomis spinosissima, started in Subarea 48.3 in 1992 ... . The fishery is also new to CCAMLR, both in terms of the species and fishing gear. We provide an ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Author(s): Basson, M. and D.D. Hoggarth
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Size variations associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
. This was interpreted as a consequence of a significant reduction in the influx of the youngest age classes into inshore ... . This was interpreted as a consequence of a significant reduction in the influx of the youngest age classes into inshore ... are strongly associated with the last significant catches of fin-fish in the Subarea 48.1 in 1979/80 and could ... years in the same area. Author(s): E. Marschoff and E. Barrera-Oro (Argentina) Title: Size variations ...
Meeting Document : WG-FSA-91/13 : Author(s): E. Marschoff and E. Barrera-Oro (Argentina)
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
) 1 Dec–30 Nov R eference date 1 Dec Weight-at-age (kg, mm) ‘a’ 5.47E-10 ( W = aLb ... Tolerance for finding F in each year 1E-08 Tolerance for resolving catches 0.01 Age first selected 2.5 ... of a trial Years to remove initial age structure 0*** Estimate median SB0 Deterministic Observations ... ............................................................................ 6 Fishing mortality (catches since survey) ....................................... 6 Initial age ...
Document : Site Section: Publications
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
annually in otoliths of juvenile D. mawsoni. Mean fish lengths at ages 0.5, 1.5, 2.5 and 3.5 years were ... . Mean fish 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 Ross Sea (CCAMLR Subarea 88.1) have been aged assuming that one translucent zone is formed annually ... for determining the age of this species. In addition, sagittal otoliths were examined from D. mawsoni that had ... to 4.0 cm yr-1 for fi sh aged from 15 to 30 years. It is interesting that all the points from ... . 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 ... ) and capture (March). Hence, true age was assumed to be x + 0.5 years, where x is the number of translucent ... D. mawsoni were estimated to be aged between 0+ and 3+ years. A length-frequency distribution of the aged ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Author(s): Horn, P.L., C.P. Sutton and A.L. DeVries