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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
t t a t a a t a t S FC N S F M M S F (4) where Nt,a is the number in the population for a given ... + +- = - - -t a t a t a a tN N N S F M . (5) Candy 4 Equations (4) and (5) are denoted the BODE model ... ). To estimate Ft from equation (4) using known numbers caught in each age class, assuming M and Sa ... - ately scaling F(δt') given Nt,a and Sa given that the annual catch, equation (4), is well approximated ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Autor(es): Candy, S.G.
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Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2
Illegal, unreported and unregulated (IUU) fishing ................................... 4 Data collection ... assigned to the region south of 70°50'S (SSRUs 882C–G) as outlined in SC-CAMLR-XXX, paragraph 6.127. 4 ... 3173 5 3178 * 5301 424 0 425 * 2013 32821 3162 <1 3163 * 530 476 0 476 * 2014 30441 2896 4 2900 * 390 ... -specific details are 4 provided in the footnote to Table 1. All ancillary data associated with ...
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
determine Pelvic length (cm) 0 20 40 60 80 100 T ho rn le ng th ( m m ) 0 2 4 6 8 10 12 14 ... 4; few thorns (11%) were scored as having a readability of 1 or 2. The fi nal sample size of aged ... , four with scores of 3, and one with a score of 4. There are many possible explanations for these ... 12 years for males and 14 years for females (Figure 4). Growth curves Von Bertalanffy growth ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Autor(es): Francis, M.P. and C. Ó Maolagáin
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Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)
of catches ........................................................ 4 2. Stocks and areas ... 3.10 Future work ....................................................................... 17 4 ... 5.141). 4. Following the pilot study, the Commission agreed to an extensive mark-recapture experiment ... tonnes). Subarea 48.4 South was closed on 4 May 2010 (catch limit for Dissostichus spp.: 75 tonnes ...
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
/12 to 4/12) (b) six months: April to September (t = 5/12 to 11/12), and (c) uniform intensity ... Bvqyear 31)/K5i' (= B,,,,/KsI') have been plotted against y. Thus Figure 4 shows the median, 5% and 95 ... equations (A.4) and (A.5) - excludes the possibility that krill shrink during the winter). Figure 6 ... Scientific Committee (SC-CAMLR-XI) , Annex 4 . CCAMLR, Hobart, Australia: 171-173. Fishing season (b ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Autor(es): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
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Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)
1989/90. Since then the reported catch has been in the region of 3 000 to 4 000 tonnes, with the ... selected from the North and Rhine Banks respectively in that year (see SC-CAMLR, 1993 - Figure 4). The ... . Substituting equation ( 3 ) into equation (4) gives: which is in the form of a linear regression y = a ... - Chile artisanal fishery Total Number of Data Series 22 2 6 15 19 4 Dataset A - 1991192 ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Autor(es): Parkes, G., C.A. Moreno, G. Pilling and Z. Young
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Fishery Report 2014: Dissostichus eleginoides Heard Island (Division 58.5.2)
Dissostichus spp. in Division 58.5.2 are described in Conservation Measure (CM) 41-08. 4. In the 2014 ... fish in Division 58.5.2 and 4 925 recaptures (WG-FSA-14/43). A small proportion (4.3%) travelled long ... distances and were recaptured in the French EEZ. 4 Figure 1: Annual length-frequency ... from this projection was 4 410 tonnes with a depletion probability of 0.0 and an escapement ...
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Fishery Report: Dissostichus eleginoides Prince Edward Islands South African EEZ (Subareas 58.6 and 58.7)
3. Parameter estimation ................................................................... 3 4 ... . Stock assessment ........................................................................ 4 5. By ... currently fishing. 4. The status of the resource within the South African EEZ was revised in 2007 (SC ... /002000/012001/022002/032003/042004/052005/062006/072007/082008/092009/10 TOP 58.6 & 58.7 4 10 ...
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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
Polarfuchs on 12 December 1987 using a 4 m beam trawl with a mesh size of 10 mm. Fishing depth varied from ... east of Seal Rocks in December (Figure 4). Length frequency composition was similar in October and ... . Nearly all gonads were in resting stage. 4. DISCUSSION Elephant Island is an area where two ... + 9+ 10+ 11+ 12+ 13+ 14+ 15+ 1 1 2 1 1 1 4 1 4 3 9 1 2 18 1 3 22 3 1 30 2 35 1 1 17 3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Autor(es): Kock, K.-H.
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Guidelines for the preparation of hydroacoustic survey reports on krill
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Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 165-193 : Autor(es): Kalikhman, I.L.