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1. A simple approach for calculating the potential yield of krill from biomass survey results

   Paper Title:  A simple approach for calculating the potential yield of krill from biomass survey ... results Abstract / Description:  Estimates are calculated for the parameter λ in the yield equation Y = λ ... MB 0 for a krill fishery in which both the fishery and krill growth are seasonal. The criterion used ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its ... the following 20 years, is that from a single pre-exploitation biomass survey. No account is taken of ... concentrated in the three-month growth/fishing season (effectively equivalent to a no-seasonality situation ... acoustic workshop. BIOMASS Report Series No. 40. pp. 106. BEDDINGTON, J.R. and J.G. COOKE. 1983. The ... catch in number of laill over a season from a single cohort of size No at the start of the "year" will ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Автор(ы): Butterworth, D.S., A.E. Punt and M. Basson

2. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

   Paper Title:  Evaluating the impact of multi-year research catch limits on overfished toothfish ... populations Abstract / Description:  In stocks that have been depleted by overfishing, the benefit of ... additional fisheries removals for research purposes needs to be evaluated against the risk that such catches ... may contribute to delaying or preventing the recovery of such stocks. Through simulating a Patagonian ... no research fishing scenario was calculated. The length of time it would take for the stock to ... ), and no S-R relationship (scenarios 17). Finally, the impact of natural mortality being 0.1 higher or ... 3). None of the scenarios, including those with no research catches, satisfied criterion (i) of ... the stock, both in absolute terms as well as rela- tive to the estimated median biomass if no research ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Автор(ы): Welsford, D.C

3. Preliminary results of research activities of RV Evrika in the Scotia Sea in January-March 1988

   Paper Title:  Preliminary results of research activities of RV Evrika in the Scotia Sea in January ... -March 1988 Abstract / Description:  In 1987/88 a multi-disciplinary survey was conducted of the Scotia ... Sea and adjacent waters, accompanied by regular trawlings with an Isaac-Kidd trawl. The waters off ... South Georgia in particular were surveyed twice. Research activities are part of the program implemented ... was rather smoothed, hence there were no required conditions for the formation of abundant krill ... ACTIVITIES OF RV EVRIKA IN THE SCOTIA SEA IN JANUARY-MARCH 1988 L.1. Maklygin , A.S. Fedorov, V.N. Shnar ... -disciplinary survey was conducted of the Scotia Sea and adjacent waters, accompanied by regular trawlings with ... an Isaac-Kidd trawl. The waters off South Georgia in particular were surveyed twice. Research ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 215-229 : Автор(ы): Maklygin, L.I., A.S. Fedorov, V.N. Shnar, Yu.A. Shulyakovsky, I.V. Krasovsky, Yu.D. Shuvaev and A.V. Kromsky

4. Integration of CPUE data into assessments using the Generalised Yield Model

   Paper Title:  Integration of CPUE data into assessments using the Generalised Yield Model Abstract ... / Description:  For the last three years, CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has ... accorded high priority to the development of methods of integrating different indicators of stock status ... into assessments using the Generalised Yield Model (GYM). In this paper, we propose a method, based on ... the assessments, and WG-FSA had no time to consider this method in detail. The aim of this paper ... three years in assessing the stocks of D, eleginoides indicates that no small group has in Subarea 48.3 ... CPUE DATA INTO ASSESSMENTS USING THE GENERALISED YIELD MODEL G.P. Kirkwood Renewable Resources ... Australian Antarctic Division Channel Highway, Kingston 7050 Tasmania, Australia Abstract For the last ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Автор(ы): Kirkwood, G.P. and A.J. Constable

5. The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model

   Paper Title:  The sensitivity of multiple output statistics to input parameters in a krill ... within CCAMLR to evaluate options for managing the Antarctic krill fishery in the Scotia Sea and southern ... Drake Passage. The model analysed here required 2 311 input values for each of four scenarios and ... the status of predator groups more than they affected statistics indicating the status of the target ... were illustrative as there was no information avail- able to the modellers about appropriate reference ... abundance of the relevant component is <75% of the abundance in equivalent no-fishing trials at the end ... equivalent no-fishing trials at the end of the recovery period. Predators SSMU Services (II.2 the term ... between the two extremes of no-movement and maximum movement examined by Watters et al. (2013).2 Krill ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Автор(ы): Hill, S.L. and J. Matthews

6. Attribtuion of acoustic echoes to squid in the south Atlantic

   Paper Title:  Attribtuion of acoustic echoes to squid in the south Atlantic Abstract / Description ... :  During a research cruise of the British Antarctic Survey ship RRS James Clark Ross in February 1996, more ... than 2 000 individuals of the ommastrephid squid, Martialia hyadesi, were caught in a single haul made ... by a pelagic trawl near the Antarctic Polar Frontal Zone in CCAMLR Subarea 48.3. This paper describes ... acoustic targets that could be attributed to the haul. No other species were caught with the squid which ... no changes were made during the cruise to simplify data collection. Integrated data were processed ... to add these calibration corrections but no additional corrections have been made for the elevated ... this layer scattered more weakly at 120 kHz. After dawn, the speckles cleared away and no more ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Автор(ы): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley

7. On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)

   Paper Title:  On the instantaneous natural mortality rate of Champsocephalus gunnari, South ... Georgia (Subarea 48.3) Abstract / Description:  The instantaneous rate of natural mortality (M) of ... Champsocephalus gunnari in the South Georgia area was assessed using six different methods. Data on size ... composition of catches from 1964/65 to 1968/69 and the age/length key for the first half of 1972 were used in ... WG-FSA-90/31 ON THE INSTANTANEOUS NATURAL MORTALITY ... * * Abstract The instantaneous rate of natural mortality (M) of Champsocephalus gunnari in the South Georgia ... 1968/69 and the age/length key for the first half of 1972 were used in the calculations. The results ... provided a wide range of estimates for M. The discussion of the results suggested that M=O.56 should be ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Автор(ы): Frolkina, G.A. and R.S. Dorovskikh

8. Management and uncertainty: the example of South Georgia

   Paper Title:  Management and uncertainty: the example of South Georgia Abstract / Description ... to consider ways in which CCAMLR can improve its ability to take decisions in the face of uncertainty ... . From an examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a ... comparison of the immediate and long-term effects of any one proposed measure with those of any other measure ... whatever is done. There is no support for this). The inconsistencies chiefly concern the age data, or ... exploitation started. There are no suggestions in the literature (e.g. Biomass 1982) that the determination ... the next 10 years. If recent year-classes are not quite so bad, say no worse than that of 1978, then ... mortality was small and towards the bottom range in recent years, i.e. no more that F=O.l or 0.2, then the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Автор(ы): Gulland, J.A.

9. The use of predator-derived krill length-frequency distributions to calculate krill target strength

   Paper Title:  The use of predator-derived krill length-frequency distributions to calculate krill ... target strength Abstract / Description:  The relationship between krill abundance and predator ... krill sampled from the diet of predators to provide a length-frequency distribution of krill at times ... calculated from acoustic data. Changes in the lengthfrequency distribution of krill over a period of a few ... CCAMLR Science, Vol. 8 (2001): 155-163 SHORT NOTE THE ... Marine Laboratory, University of St Andrews St Andrews, Fife KY16 BLB, United Kingdom Abstract The ... resource management. We propose a method using krill sampled from the diet of predators to provide a ... robust estimate of krill abundance to be calculated from acoustic data. Changes in the length ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 155–163 : Автор(ы): Reid, K. and A.S. Brierley

10. Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008

    Paper Title:  Annual changes in species composition and abundance of myctophid fish in the north ... / Description:  Species composition and abundance of myctophid fish were analysed using the fish by-catch ... samples collected by scientific observers on board Japanese commercial krill fishing vessels in the area ... 10 myctophid species were identified in the by-catch samples, among which Krefftichthys anderssoni ... 2003 survey was performed by the FV Chiyo Maru No. 5; the others were under- taken by the FV Niitaka ... P. choriodon was mostly unimodal with no significant differences among years (Figure 2a). The size ... scientific observers and the crew on board the FV Niitaka Maru and FV Chiyo Maru No. 5 for collecting by ... CCAMLR has expressed concerns about the impact of incidental catch in the krill fishery on some fish ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Автор(ы): Iwami, T., M. Naganobu, K. Taki and M. Kiyota

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