Search results
-
ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CPUE DATA
in this division is estimated as about 15000 t, while the estimate of virgin biomass B0 is found to be about 32000 ... is estimated as about 15000 t, while the estimate of virgin biomass B0 is found to be about 32000 t. ...
Meeting Document : WG-SAM-09/12 : Author(s): D. Vasilyev, K. Shust, V. Tatarnikov, I. Istomin and A. Petrov (Russia)
-
Evaluating the impact of multi-year research catch limits on overfished toothfish populations
significantly delay the recovery of a stock. Research catches in excess of 0.6% of B0 should be avoided ... delay the recovery of a stock. Research catches in excess of 0.6% of B0 should be avoided to ensure ...
Meeting Document : WG-FSA-10/42 Rev. 1 : Author(s): D.C. Welsford (Australia)
-
e-sc-38-a7.pdf
... (v) appropriate practices are being followed and the assessments continue to adapt to new standards in most ... ), A. Dunn (New Zealand), T. Earl (UK), M. Eléaume (France), J. Fenaughty (New Zealand), I. Forster ... . There was a total of 62 notifications across five exploratory toothfish fisheries submitted for 2019/20 and no new ... to develop the proposed new C2 form and fishery data manual intersessionally with Members, noting ... and C. Darby (UK), A. Dunn (New Zealand), T. Earl (UK), M. Eléaume (France), J. Fenaughty (New ... 62 notifications across five exploratory toothfish fisheries submitted for 2019/20 and no new ... Table 2. The Working Group recommended: (i) the Secretariat continue to develop the proposed new C2 ... duration of the hauls, were similar to recent surveys, but with a new set of randomly selected station application/pdf attached to:WG-FSA-2019
Meeting Report : WG-FSA-2019
-
e-sc-vii-a5.pdf
... fish and reduce by-catch. The Working Group had no new data concerning this matter which would ... , and only very small catches of C. gunnari. No new assessments were attempted of these stocks. Table ... catches was N. gibberifrons with 4 469 tonnes reported from Subarea 48.2 in 1987/88 and a new assessment ... 19.5 2.87 556 S. Georgia 88 18.2 2.02 971 124(b) (30)(a) (2.42) NA S. Orkneys 68 20.8 3.04 81 ... Working Group had no new data concerning this matter which would suggest alterations to the present ... the last three seasons, and only very small catches of C. gunnari. No new assessments were attempted ... from Subarea 48.2 in 1987/88 and a new assessment was attempted using VPA. 61. The database is poor ... surveys and the great apparent drop between 1986/87 and 1987/88 are not easy to explain but may be application/pdf attached to:WG-FSA-88
Meeting Report : WG-FSA-88
-
Fishery Report 2017: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
assessment, the 2017 assessment took into account (i) new fishery observations up to the end of 2016 ... including new ageing data from the RSTS and commercial fishery from 2015/16, (ii) updated growth ... estimation for a model based on the Baranov equations versus a new mortality equation. CCAMLR Science, 18 ... were in agreement and indicated that a B0 of around 80 000 tonnes was most likely, tag-releases from ...
Document : Site Section: Publications
-
Catch per unit effort and proportional recruitment indices from Japanese krill fishery data in Subarea 48.1
the histogram in Figure 2. Observation Season 1980/81 1981/82 1982/83 1983/84 1984/85 1985/86 1986/87 ... /82 1982/83 1983/84 1984/85 1985/86 1986/87 1987/88 1988/89 1989/90 1990/91 1991/92 1992/93 ... 6 ~ n a BbIxsneHa TeHneHuMrr K cHfixeHHm BeJIHYHMbI CPUE (yJl0d06 ... . They showed peaks around the 1980/81, 1981/82 and 1985/86 year classes, and low values in between these year ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 47–63 : Author(s): Kawaguchi, S., T. Ichii and M. Naganobu
-
A simple approach for calculating the potential yield of krill from biomass survey results
Abstract: Estimates are calculated for the parameter λ in the yield equation Y = λ M B0 ... Estimates are calculated for the parameter λ in the yield equation Y = λ M B0 for a kri11 fishery ...
Meeting Document : WG-KRILL-91/24 : Author(s): D.S. Butterworth (South Africa) and M. Basson (United Kingdom)
-
Multinational large-scale krill synoptic survey in CCAMLR Area 48 in 2019 – survey plan and protocol for consideration by SG-ASAM 2018
instrumentation and sampling gear to achieve approximate consistency with the CCAMLR B0 data collection protocol ... -ASAM 2018 Microsoft Word File: asam-18-07.docx Approval: Approved Secretariat Workflow Status ... instrumentation and sampling gear to achieve approximate consistency with the CCAMLR B0 data collection protocol. ... and protocol for consideration by SG-ASAM 2018 ...
Meeting Document : SG-ASAM-18/07 : Author(s): B.A. Krafft, O.A. Bergstad, T. Knutsen, G. Skaret and G. Macauley
-
A generalized discriminant for sexing fulmarine petrels from external measurements
, Daption capense; and Snow Petrel, Pagodroma nivea) assigned 81 to 98% of birds in the samples ... calculates the discriminant scores for individual fulmarine petrels as: Y = HL + 2.38BD + 0.41TL – 0.21CL ... , where HL is head length, BD is bill depth, TL is tarsus length and CL is bill length (measurements ... , Daption capense; and Snow Petrel, Pagodroma nivea) assigned 81 to 98% of birds in the samples ...
Meeting Document : WG-CEMP-94/24 : Author(s): J.A. van Franeker and C.J.F. ter Braak (The Netherlands)
-
e-sc-xix-a4.pdf
... ), W. Trivelpiece (USA), J. Watkins (UK) and P. Wilson (New Zealand). HARVESTED SPECIES Fisheries Information ... indicated that prior notification of new entrants into the krill fishery was extremely useful ... . In early December a new size class of krill (mode 42 mm) appeared and increased in abundance ... ........................................................................... 128 B0 Workshop (results from the CCAMLR-2000 Survey in Area 48 ... K. Reid (UK) and Drs P. Trathan (UK), W. Trivelpiece (USA), J. Watkins (UK) and P. Wilson (New ... Working Group prior to commencement. The Working Group indicated that prior notification of new entrants ... end of December 1999. In early December a new size class of krill (mode 42 mm) appeared and increased application/pdf attached to:WG-EMM-00
Meeting Report : WG-EMM-00