Search results
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Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone
and biases of the various methods. Ziegler et al. 60 Based on a method by Powell (1979), Wetherall et ... Years to project stock in simulation 60 y Reference start date in year 01/12 Increments within year ... y Lmat50 900 mm Optimum age and length (estimated) Aopt Lopt 15.7 y 966 mm 20 ... 0 and 10 000 tonnes were removed over the projection period of 60 years starting arbitrarily in 2000 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Author(s): Ziegler, P.E., D.C. Welsford and A.J. Constable
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
Reported effort (number of vessels) Catch limit (tonnes) Reported catch (tonnes) 1971/72 - - 5 860 ... of the catch) Le ng th (c m ) 10 20 30 40 50 1996/971997/981998/991999/002000/012001/022002/032003 ... 78 66 20. The Working Group recalled its advice to the Scientific Committee last year ... 2000/01 1 150 0 80 0 50 0 50 0 50 2001/02 3 150 0 80 0 50 1 50 0 50 2002/03 21 150 0 80 0 465 20 120 ...
Document : Site Section: Publications
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Directed research. Antarctic Marine Living Resources (AMLR). A program development plan
, 1986. File: 20-USA.pdf ... MOPCKHMH ~HBblMH pecypcaMH B conpegen bHblX c AHTapKTH,l{oi:f aKBaTopHRX. 3Ta nporpaMMa TaK~e HanpaBneHa ... Ha o6eCneQeHHe YQaCTHR CIlIA B pa60Te KOMHCCHH H HaYQHOrO KOMHTeTa opraHoB KOHBeHl(HH 0 - 371 ... B AHTapKTHt{ecKYID rrporpaMMY CoeAHHeHHblx lliTaToB OCHOBHOH Hayt{Ho-HCCJIe,l(OBaTeJIhCKOH pa60Te rro H3yt ... 3anaCOB KHTOB 3aBHCHT qaCTHqHO OT npoAon~a~eHcH AocTynHocTH KpHnH B 60raTblX nHTaHHeM paHoHax KMCHoro ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Author(s): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)
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Preliminary analysis of toothfish catch, CPUE, size structure and mark-recapture data from SSRUs 486A and 486G, with comments on the sustainability of different harvest levels
in Subarea 48.6 north of 60°S (the combined SSRUs 48.6A and 48.6G). A preliminary assessment for D. mawsoni ... in Subarea 48.6 south of 60°S (the combined SSRUs 48.6B through 48.6E) is given in an Appendix. An age ... north of 60°S (the combined SSRUs 48.6A and 48.6G). A preliminary assessment for D. mawsoni ... in Subarea 48.6 south of 60°S (the combined SSRUs 48.6B through 48.6E) is given in an Appendix. An age ...
Meeting Document : WG-FSA-12/31 : Author(s): E. Thomson and M. Bergh (South Africa)
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
(number of vessels) Catch limit (tonnes) Reported catch (tonnes) 1971/72 - - 5 860 1973/74 ... Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1996/97 1997/98 1998/99 1999/00 ... 181.4 206.6 880.4 234.9 Plateau W 238.3 72.9 131.1 388.3 141.4 Pooled 1426.7 584.0 595.9 2773.5 659.4 ... ) 102 tonnes Estimated yield in year 2 (2009/10) 96 tonnes 4.3 Sensitivity analyses 20 ...
Document : Site Section: Publications
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Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3
, that times on the bridge were only recorded to the nearest minute. 20 25 30 35 40 45 50 Station Figure ... presentan las mediciones de la red de arrastre FP-l20 realizadas in situ durante la prospeccion del RU con ... trawls have been used for over 20 years to make fishery-independent estimates of the stock sizes ... the first three stations (17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Author(s): Pilling, G. and G. Parkes
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Fishery Report 2018: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)
06 TOP586 2017 FI SH ER Y R EP ... has been set at 60 cm total length and every vessel must carry a scientific observer and must offload ... at approximately 60–80 cm. These length- frequency distributions are unweighted (i.e. they have not been adjusted ... 6 5 3 8 0 1 2 1 0 43 2009 687 6 19 11 7 10 5 6 5 4 3 76 2010 629 0 5 10 2 4 4 3 4 3 35 2011 726 4 12 ...
Document : Site Section: Publications
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SC-CAMLR-XX
(New Zealand) SC-CAMLR-XX/BG/20 Progress toward an Agreement on the Conservation of Albatrosses ...
Meeting
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SC-CAMLR-IV
, particularly krill SC-CAMLR-IV/BG/20 Report of Members’ activities in 1984/85 Delegation of Argentina SC-CAMLR ...
Meeting
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WG-KRILL-92
-92/20 Krill biomass in Area 48 and Area 58: recalculation of FIBEX data P.N. Trathan (United Kingdom ...
Meeting