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A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
Butterworth et al. (1994) where: 0 ; h(a + t) < l, - I,) ; l, < h(a, t) < l, ; h(a,t) > 1, (4 ... (equations 4 and B), the corners may be cut by linear interpolation, as shown in Figures 3a and 4a ... where the krill grow in the first three months (90 days), the median spawning time is in month 4 (Day ... is derived from piecewise continuous functions of its component functions (equations 3 and 4). The ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Автор(ы): Constable, A. and W.K. de la Mare
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Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia
AND METHODS Age 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 1 22 23 ... 981.05 3 579.58 4 104.30 4 565.27 5 120.28 5 655.08 6 002.62 6 325.08 6 707.18 7 069.12 7 ... Figures 3 and 4. b 8.7105 0.8769 55.3934 0.9008 Comparison between Both Structures Results ... 4 A is replaced with its estimate. Having obtained 'a' from the regression of the HS radius on ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Автор(ы): Cassia, M.C
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Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic
CCAMLR Scie~zce, Vol. 4 (1997): 105-124 COMPARATIVE ... KOHTHHeHTaJIbHOM IIIeJIb@e/c~noHe MeXAy 4 6 ° - 5 5 0 ~ . ~ . H 60"-64"3.~., H ROKPYr IOXHOW reoprm Memay 53 ... sex; individuals of indeterminate sex ( 4 % ) were excluded from the analysis. Food items present ... full stomachs (Tables 3, 4 and 5). A similar low percentage of full stomachs (11%) had been found by ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Автор(ы): García de la Rosa, S.B., F. Sánchez and D. Figueroa
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Fishery Report 2017: 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 ... 2819q 4 2823 * 2015 28441,2 2473q 1 2474 * 2016 28701 2678 5 2684 * 2017 28701 2820 1 2821 * 1 ... on 31 December 2016. This is 4 the first time that the fishery has opened on December 1 and ... , C, G closed on 4 December 2016, triggered by the catch of D. mawsoni and the total catch was 596 ...
Document : Site Section: Publications
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Modelling variability and estimating power to detect change in Adélie penguin fledgling weights
periods 2–4 but most fre- quently in period 3 (Table 1). Monitoring scenario Development of the models ... period TotalYear 1: 10–14 Feb 2: 15–19 Feb 3: 20–24 Feb 4: 25 Feb–1 Mar 5: 2–6 Mar 1: 1990 ... –1991 50 50 2: 1991–1992* 50 50 50 150 3: 1992–1993* 50 44 94 4: 1993–1994* 50 50 21 121 ... , estimated mean weights for the periods 2–5 are: period 2: 3 347 g; period 3: 3 196 g; period 4: 3 045 g ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Автор(ы): Emmerson, L.M., C. Southwell and J. Clarke
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Fishery Report 2018: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
(CM) 41-08. 4. In 2018, the longline fishery was active from 1 April and the trawl fishery was open ... limit, established using the CCAMLR decision rules, has ranged from 2 427 tonnes in 2007 to 4 410 ... . Since the start of the fishery >500 000 fish have been measured in this division. 4 ... between release and recapture of 4 n miles. An analysis of catch rates from 1997 to 2014 of the three ...
Document : Site Section: Publications
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Characteristics of krill swarms from Prydz Bay
) =p. A,2. (4/1t).w.O'v = intercepted swarm length (m) = swarm thickness (m) = target strength s v ... ping rate after 30 km, but Figure 4 clearly shows that mean swarm biomass index started increasing ... before the 30 km point. 4. DISCUSSION The analysis was hampered by the change in ping rate after 1808 ... ~ Z 0 H 8 I:t: 0 ~ 0 I:t: ~ (a) 0.20 - -- 0.15 - - c- f- 0.10 - - 0.05 - h I I 1 4 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Автор(ы): Agnew, D.J. and I.R. Higginbottom
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Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
been soaking for longer periods (soak times varied from 4 h 25 min to 40 h 35 min, with an average ... 801 177 13 4 Table 3: Comparison of toothfish catches from pot and longline fishing vessels Method ... /Eook, 830&g per 5 km line Table 4: Mean number of the most abundant seabird S ecies observed during ... of the vessel during setting and hauling are shown in Table 4. Observations were also made of the ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Автор(ы): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves
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Methodological guidelines on the assessment of trawl catchability of krill by means of statistical modelling
, 4>OPTPAH HnH PL-l, npH 3TOM peKoMeHAyeTcH opHeHTHposaTbCH Ha 6hlCTpoAeHCTS~He 3BM ... ) H H.M.C060nfl (4). MeTO,:o; MOHTe-Kapno oc06eHHO noneseH B sa;o;a~ax, CBflsaHHblX C KonH ... - pannen:CHOM OCH ~aKTHqeCKOrO ~B~eHHH ceTKH. 4. ITpe~nonaraeTcH, qTO Ka~aH HronKa-paqOK nHOO npOXO- ~HT ... - nepHog@ TX H TZ (pa3Mep@ 6HnepHoga no OCRM x H Z cooTBeTcTBeHHo) • 2. HrOJIKa npegcTaBnHeTcH 4-MH f ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 195-222 : Автор(ы): Kizner, Z.I.
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Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)
age-length for N. gibberifrons from both localities. Potter Cove and Low I. fishes ranged from 4 to ... ), however, no data were obtained for the first 1-4 year age groups. Therefore, growth curves were not ... fitted. 4. DISCUSSION Fishes of larger sizes were absent in our samples (only one specimen from Low I ... . 150 Table 1: Specimen No. 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 Comparison of age ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Автор(ы): Barrera-Oro, E.
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