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Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
Paper Title: Towards an initial operational management procedure for the krill fishery in ... (Euphausia superba) in Subareas 48.1, 48.2 and 48.3 requires a basis for the assessment of resource status ... , and an algorithm for specifying the levels of regulatory mechanisms (e.g., a catch control law) that ... depends on the results of the assessment. The development and selection of a procedure requires a basis ... reference level. Since no historic CPUE data (in respect of the Composite Index) are available, this ... ), there is no need to impose restrictions. (ii) Once that level (Cc) has been reached, the rate (cJ at ... reduced by twice the increment percentage). This paper intends no implication that the control law of ... (BIK)min for the case of no exploitation at all after the commencement of management (Cc=cr=O). Note ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Автор(ы): Butterworth, D.S.
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Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Paper Title: Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the ... -at-spawning for female and male Antarctic toothfish (Dissostichus mawsoni) from fish sampled in the ... Ross Sea spanning the 2000–2009 fishing seasons. A characterisation of the oocyte developmental cycle ... of D. mawsoni shows that once development begins, oocytes grow and accumulate at the cortical alveoli ... 881C in the northern region and Terra Nova Bay (SSRU 881M) (Figure 1). Histological assessment ... -stage fish on the slope showed no indication of spawning in the previous season, indicating they had ... - AND AGE-AT-SPAWNING OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA S.J. Parker ... Antarctic toothfish (Dissostichus mawsoni) from fish sampled in the Ross Sea spanning the 2000–2009 fishing ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 53–73 : Автор(ы): Parker, S.J. and P.J. Grimes
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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.
selectivity function, the bias and imprecision in estimates of M increased by no more than 2% for the CCODE ... model with no increase detectable for the BODE model. With these caveats, both models can be used to ... multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a ... number of recaptures-at-age and model the population numbersat- age by annual difference equations ... selectivity function, the bias and imprecision in estimates of M increased by no more than 2% for the CCODE ... model with no increase detectable for the BODE model. With these caveats, both models can be used to ... advantage that there is no need for a catch equation since Ct,a, the absolute fishing mortality in equa ... CCODE model there is no cor- responding likelihood component for catch-at-age numbers since the actual ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Автор(ы): Candy, S.G.
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Homogeneity of body length composition of Antarctic krill within the commercial zone
Paper Title: Homogeneity of body length composition of Antarctic krill within the commercial zone ... Abstract / Description: The homogeneity of krill (Euphausia superba) length composition in commercial ... trawl catches (hauls) was investigated by comparing length compositions from different parts of the same ... haul. There was no significant difference (P >0.5) in 53 out of 60 hauls. Therefore it is concluded ... length compositions from different parts of the same haul. There was no significant difference (P>O.OS ... board FV Zuiyo Maru No. 2 (3023 tonnes, Hakodate Kokai Gyogyo Co.) off George V Land in the 1985/86 ... -haul length compositions were compared by testing the null hypothesis
no ... COMPOSITION OF ANTARCTIC KRILL WITHIN THE COMMERCIAL ZONE T.Ichii* Abstract The homogeneity of krill ... Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Автор(ы): Ichii, T.
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Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea
in the southern Ross Sea Abstract / Description: To infer important prey resources for Antarctic ... toothfish (Dissostichus mawsoni) in the southern Ross Sea, their lipid composition was determined and ... compared to lipid profiles of fish and invertebrate species taken as by-catch in the fishery or collected ... from the stomachs of toothfish. Stable carbon and nitrogen isotope ratios were also determined to ... TOOTHFISH CAUGHT IN THE SOUTHERN ROSS SEA H.-S. Jo, I. Yeon, C. Lim Fisheries Resources Research ... prey resources for Antarctic toothfish (Dissostichus mawsoni) in the southern Ross Sea, their lipid ... in the fishery or collected from the stomachs of toothfish. Stable carbon and nitrogen isotope ... ratios were also determined to further identify feeding relationships between these species. The aim of ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Автор(ы): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang
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Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)
Paper Title: Standardization of fishing effort for Champsocephalus gunnari in the South Georgia ... inflexible in its use of data types and has no estimate of accuracy. A standardized CPUE index for ... to solve the model and the resultant yearly standardized CPUE shows the same trends independent of ... the values selected to standardize the model. The mean coefficient of variation for the CPUE values ... CHAMPSOCEPHALUS GUNNARI IN THE SOUTH GEORGIA AREA (SUB AREA 48.3) P.S. Gasiukov* Abstract Traditional ... calculation of catch-per-unit-effort series is inflexible in its use of data types and has no estimate of ... gear, months and years). Multiple regression is used to solve the model and the resultant yearly ... standardized CPUE shows the same trends independent of the values selected to standardize the model. The mean ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Автор(ы): Gasiukov, P.S.
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Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of Antarctica
Paper Title: Low genetic diversity and temporal stability in the Antarctic toothfish ... data on the DNA analysis of recent (2011–2013) samplings of Antarctic toothfish (Dissostichus mawsoni ... (2011), 882A (2011, 2012) and 883C (2012). No significant genetic differences between geographic ... analysis of the most informative subset of nuclear genetic markers of SNP variation presented in Kuhn and ... generally not a migratory fish and most fish are caught within 50 km of the release site. CCAMLR Science ... km from the release site (Dunn et al., 2005a, 2007; Hanchet et al., 2008). The first genetic study ... locus MLL (^GATC recognition site). To assess locus CK7, the PCR product was digested with Csp6I, (G ... . It has a circumpolar distribution south from the Antarctic Convergence (Gon and Heemstra, 1990) and ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 1–9 : Автор(ы): Mugue, N.S., A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev
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Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
+, 4+, 5+) dominated in Antarctic Circumpolar Current (ACC) waters in the northern parts. No 1+ age ... Paper Title: Distribution and size–age composition of Antarctic krill (Euphausia superba) in the ... South Orkney Islands region (CCAMLR Subarea 48.2). Abstract / Description: The distribution, size–age ... composition and biological condition of Antarctic krill (Euphausia superba) caught by the Russian krill ... Circumpolar Current (ACC) waters in the northern parts. No 1+ age cohort was found in catches in 2009 or in ... Understanding the population structure of Antarctic krill (Euphausia superba) is one of the major issues for ... the management of krill fisher- ies. This includes locating areas with high and low krill spawning ... success. Determining the distribu- tion of different age classes of krill is critical for studying the ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Автор(ы): Sologub, D.O. and A.V. Remeslo
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Effects of different harvesting strategies on the mackerel icefish Champsocephalus gunnari around South Georgia
Paper Title: Effects of different harvesting strategies on the mackerel icefish Champsocephalus ... gunnari around South Georgia Abstract / Description: The effects of a number of harvesting strategies on ... the mackerel icefish (Champsocephalus gunnari) have been simulated for a period of 30 years. These ... interval of three years with no fishing in between; and changes in net selectivity resulting in a shift in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 77–100 : Автор(ы): Köster, F.W. and K.-H. Kock
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Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment
may be no difference between trip durations obtained by applying the transmitters to one or both ... Paper Title: Foraging behaviour and reproductive success in chinstrap penguins: the effects of ... transmitter attachment Abstract / Description: The use of radio telemetry has been accepted as a standard ... method with which to monitor foraging trip duration in penguins by the CCAMLR (Commission for the ... cm2 front section area), there may be no difference between trip durations obtained by applying the ... ) at the beginning of the observation period were used as a control group. No transmitters were ... recorded as the first day that a nest was observed with no chicks. A failure date of 13 January 294 ... between the three groups within each period revealed that there was no significant effect of transmitters ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Автор(ы): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen
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