Search results
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Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates
bins (Figure 4) showed that significant changes in performance over time for a few individual vessels ... 6 and 7 in Figure 4) and two decreased (vessels 15 and 22 in Figure 4). The performance of the ... , with confidence intervals ≥4 truncated at 4. The numbers on the right represent the number (and ... 2 3 4 79 ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Author(s): Mormede, S. and A. Dunn
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
C C A M L R Science, Vol. 4 (1997): 141-159 ... I J K L No. of Sets 4 19 16 14 1 1 7 7 5 3 14 6 CPUE Min Median Mean Max ... compared to the 4 df model with a x2 deviance test (Hastie and Tibshirani 1990). If the test was not ... significant at a = 0.05, the 3 df model was adopted in favour of the 4 dfmodel. A x2 deviance test was also ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Author(s): Watters, G
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Fishery Report 2018: Exploratory fishery for Dissostichus mawsoni in Subarea 88.1
88.2). 4. The limits on the exploratory fishery for D. mawsoni in Subarea 88.1 in 2017 are ... 2221q 4 2925 * 2015 28441 2251q 1 2834 * 2016 2870 2678 5 2683 * 2017 2870 2820 1 2821 * 2018 3157 ... to fishing from 2008–2017, and reopened in 2018 as part of the N70 area. 4 Reported catch ... and 4 respectively. These length-frequency distributions are unweighted (i.e. they have not been ...
Document : Site Section: Publications
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Selectivity of commercial and research trawls in relation to krill
CCAMLR Science, Vol. 4 (1997): 161-169 SELECTIVITY OF ... Evaluation in Table 3. Table 4 contains estimates of krill target There was a manifest difference in ... calculated for a single value of mean surface backscattering strength (MSBS = -55 dB). Table 4 shows that ... of krill density (individuals/m2) in the following manner (Tables 3 and 4): Firstly, assuming the ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Author(s): Kasatkina, S.M
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A simple approach for calculating the potential yield of krill from biomass survey results
yields an estimate of 0 = 4, which corresponds to a three month growth period, followed by nine months ... are: a. =2; 4 ~=2;4 O's = 0; 0.5 A value O's = 0 is, of course, unattainable. It was selected to ... " set of parameter value choices. 4. RESULTS AND DISCUSSION Table 2 shows the estimates of A for the ... lead to a "(1.00)" estimate situation. Finally, Table 4 gives the results of assuming that M is ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Author(s): Butterworth, D.S., A.E. Punt and M. Basson
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Trawl bag selectivity in the Champsocephalus gunnari fishery
measured on deck by means of dividers when catches exceeded three tonnes. 4. RESULTS Data obtained from ... experiment are presented in Table 4 on ICSEAF SELDAT Form 1. A trawl-bag selectivity curve was constructed ... from these data (Figure 4). The method of sliding means (Treschev, 1974) was used to calculate ... 4 5 6 7 1 312 17.06 12.05 11 3000 25 2 313 11 13.55 10 2000 10 3 314 11 15.37 20 4500 51 4 315 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Author(s): Bidenko, V.G. and I.G. Istomin
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Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited
1989. Fisheries information from the area was con- fi ned to catches of 10 130 and 4 320 tonnes of ... avail- able for two seasons, 1978/79 and 1979/80. Polish Kock et al. 4 and GDR vessels fi shed ... ., 1 99 4) . 2 Id en ti fi ed a s C hi on od ra co k at hl ee na e (s ee Iw am i ... 27–35 cm long with a peak at 29.6 and 31.7 cm (Figure 4) (Anon., 1987; Sosinski and Skora, 1988 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Author(s): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina
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Fishery Report 2018: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
gathered and reviewed. Reported catch 4. In 2008 and from 2010 onward, a catch limit has been allocated ... not more than 3–4% of the estimated stock size. In 2012 and 2013, CCAMLR put in place a more ... of D. mawsoni have not been presented here. 4 14. Length frequencies for D. eleginoides ... (1) 189 (4) 172 (3) 233 (3) 159 (9) 183 (10) 217 (5) 99 (4) Life-history parameters Data ...
Document : Site Section: Publications
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Fishery report: Dissostichus eleginoides Prince Edward Islands South African EEZ (Subareas 58.6 and 58.7)
......................................................................... 3 3. Parameter estimation ................................................................... 4 ... 3.1 Biological parameters.............................................................. 4 ... Standardised CPUE.................................................................. 4 4. Stock assessment ... Subarea 58.7 (source: WG-FSA-06/4). Fishing season is from 1 December to 30 November. Fishing season ...
Document : Site Section: Publications
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Fishery Report: Dissostichus eleginoides Prince Edward Islands South African EEZ (Subareas 58.6 and 58.7)
4. Stock assessment........................................................................ 4 5 ... . By-catch of fish and invertebrates ..................................................... 4 5.1 ... Estimation of by-catch removals.................................................. 4 5.2 Assessments of ... impact on affected populations ................................. 4 5.3 Mitigation measures ...
Document : Site Section: Publications