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Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988
of Livingston Island (Figure 1). A total of 30 experiments on TS measurement and net calibration were carried ... out during the survey. Information on 34 trawling operations including 30 co-operative experiments ... The number of aggregations per tow were: one (30 instances); two (one instance); three (two instances ... with a mean of 7.17 g/m3 (N=30, SO=8.84 g/m3). The net density ranged from 4.49 to 73.33 g/m3 with a mean ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Author(s): Endo, Y. and Y. Shimadzu
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Analysis and modelling of the Soviet Southern Ocean krill fleet
of concentrations and a measure of the form catch/swarm/search-time to track swarm density within concentrations ... of concentrations and a measure of the form catch/swarm/search-time to track swarm density within concentrations ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Author(s): Mangel, M.
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
~ p a 6 0 ~ . TO B O C O ~ ~ H H O C T ~ H ~ O ~ X O ~ ~ B M O , KorAa nonynxqm YyecTsMTenbHa K cnaAaM ~epec~ymqef i YacTM 3anaca. Pe3ynb~a~b1 IIOAqepKMBaWT Ba ... sex do not form part of the spawning stock, and that post- parasitised crabs do not rejoin ... crabs are sterile and do not form part of the spawning stock. Parasitised crabs suffer a slightly ... ). The main reason is that infected animals do not form part of the spawning stock. The point is that given ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Author(s): Basson, M
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
7000, Australia 287 288 Pe310Me Ha KapTe 6bIJUi HaHeceHbI cepHH KOH~eHTpw-lecKHx 30H, Ka ... KPHJI51 B 3THX 30Hax IIO,l{paHOHa 48.1 HMeeT 3aKoHoMepHbIH xapaKTep. B IIo,l{paHoHe 48.2 TaKoH ... north of 63°30'S only, and has not so far exploited the Bransfield Strait (CCAMLR, 1992). This is too ... - Figure 25). Krill catches are displayed in map form, with 290 data given for each CCAMLR fine-scale ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Author(s): Agnew, D.J.
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Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
principally of aragonite, a form of calcium carbonate. The accretion of aragonite to the otolith surface ... represents a single year’s growth in the otolith. For each preparation method, the number of fully- formed ... . Differentiating between true, fully-formed translu- cent zones and false growth checks was more dif- ficult ... growth by sex only) von Bertalanffy growth models to the combined 2002 and 2004 dataset. (a) 30 40 50 ... and t 0 –0.159 for males and L ∞ 92.03, K 0.055 and t 0 0.159 for females. Revised estimates of the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Author(s): Marriott, P.M., M.J. Manning and P.L. Horn
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Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects
- tiplied by 5.0ijE ; however, the variance function cannot be expressed in the usual GLM form which must ... an estimate of the variance of the sum of linear predictor terms used to form the CPUE estimates calculated ... . The estimate of the dispersion parameter (φ̂) was 30.32 for 6.1λ̂ . For com- parison with the results ... , ‘averaging out’ a random stratum-by-year interaction simply involves ignoring this term when forming stand ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Author(s): Candy, S.G
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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 the percentage of ‘mega-spawners’ (Pmega) with 0% as a target level or 30–40% where no upper size limit exists ... 1 Dec–30 Nov Catch levels for the constant catch scenarios (tonnes) 0, 250, 500, 750, 1 000, 2 500 ... to 0.44 and then 0.30, while the overall length-frequency dis- tribution does not change noticeably ... are strongly influenced by parameters such as the vari- ation in fishing mortality and recruitment, the form ...
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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Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3
, IIOnyYeHHbIMH C nOMoqbm RCnOJIb30BaHHOrO B IIpoluJIoM YpaBHeHHR. BbITe~a~owee OTCIoAa PaCXoXAeHlle B OqeHKaX ... C O ~ J ~ ~ H ~ H H ~ I M OpOneBCTBOM B 1993194 r. npeAJIo~eHb1 YpaBHeHHX PerpeCCllll An% OQeHKll rOpll30HTaJIbHOAO PaCKPbITRSI ... the first three stations (17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds ... an individual tow (standard tow duration was 30 minutes), this tow was discarded completely. Using ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Author(s): Pilling, G. and G. Parkes
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Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)
., 2007). As a rule, the net was generally towed at about 3–3.5 knots for 30 min on the bot- tom during ... pair of opaque and subsequent translucent zones was considered to form an annulus. The count path ... of the count path were considered as false checks and not counted. Commonly, annuli were formed by wide ... and 30 cm TL (Figure 3b). Pooled samples consisted of 120 females from 19–34 cm TL and 40–332 g and 98 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Author(s): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL
and longlining. The annual cycle was split into three seasons: (s1) 1 December–30 April, 5 Integrated stock ... assessment for Dissostichus eleginoides using CASAL (s2) 1 May–30 September, and (s3) 1 October– 30 November ... 120 and 160 hauls, each of which were of approxi- mately 30 min duration, that were randomly located ... (s 2) 0 0 0 0 0 0 0 17 6 30 6 38 0 24 1 66 L on gl in e E (f 7) M id ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Author(s): Candy, S.G and A.J. Constable