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1. Do krill and salps compete? Contrary evidence from the krill fisheries

   Peninsula. Interannual and seasonal variability of the timing, duration and intensity of salp blooms and the ... presence of green krill were analysed. No relationship between salp density and the proportion of green ... area, the proportion of green krill was high only when salp density was extremely low. However, no ... salp density at the krill fishing ground was most often observed in February and March, the peak of ... ). This unregulated filtration of all particles may lead to fatal clogging at concentrations of ... , than in hauls containing salps at any density. Concentration of particles in the seawater or the ... r Figure 2: Seasonal variability of average proportion of green krill at the fishing ground fro1 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Author(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare

2. Editorial

   total of 167 working papers were presented at these meetings. This volume consists of papers submitted ... 17th volume of CCAMLR Science and the contents reflect the diverse science that supports CCAMLR’s ... management of the marine living resources of the Southern Ocean. There is a truly circumpo- lar feel to this ... volume with papers using data from the Pacific, Indian and Atlantic sectors of the CAMLR Convention Area ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 243

3. Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel

   to be oper- ated from the hangar (Figure 1). From the same hangar, it will be possible to deploy and operate ... information when needed. Acoustic assessment The vessel is planned to have the requested echosounder ... in the ecosystems of the Antarctic region require a precautionary approach with respect to the human ... use of these ecosystems. In particular, resource harvesting requires enough basic knowledge, as well ... ecosystem. Due to the vastness and remoteness of the Antarctic region, research vessel capacity is not ... readily available for conventional coverage of harvested stocks and their ecosystems. This paper describes ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Author(s): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins

4. From the Editor

   . Available online at www.ccamlr.org/ pu/e/e_pubs/cm/07-08/toc.htm. Comment policy of CCAMLR Science CCAMLR ... for the total biomass of krill, esti- mated using data collected during the CCAMLR- 2000 Survey ... , represent two of the estimates availa- ble. As the exchange reflects, there are a number of ways in which ... such estimates can be derived and CCAMLR recognises the importance of consider- ing all plausible ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 199

5. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

   application in future of precautionary limits to subareas or local areas of this area. Nine alternative ... methods of determining subarea or local area krill catch limits are evaluated relative to six criteria: (i ... ) the degree to which information on biological relationships is considered; (ii) the cost of data ... collection; (iii) the reliability of required information; (iv) the ease of enforcement; (v) the effects on ... international consensus at each meeting of the Commission). Pulse fishing would alter current fishing patterns ... range of krill densities). It may take several years to arrive at a preliminary understanding of how ... (Euphausia superba) in Statistical Area 48. The measure also implies an application in future of ... precautionary limits to subareas or local areas of this area. Nine alternative methods of detennining subarea ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Author(s): Watters, G. and R.P. Hewitt

6. Catch per unit effort and proportional recruitment indices from Japanese krill fishery data in Subarea 48.1

   period. The use of different fishing strategies in response to a demand for higher product quality and a ... between environmental factors and krill variability was one of the major issues addressed at CCAMLR's ... . Kawaguchi, T. Ichii and M. Naganobu National Research Institute of Far Seas Fisheries 5-7-1 Orido ... period. The use of different fishing strategies in response to a demand for higher product quality and a ... recruitment of krill in the Elephant Island area was presented by Siegel and Loeb (1995). A preliminary ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 47–63 : Author(s): Kawaguchi, S., T. Ichii and M. Naganobu

7. Note on estimating krill abundance from acoustic data on individual aggregations

   Abstract / Description:  The fundamental equations and assumptions underlying estimation of krill abundance ... differences of the two approaches are highlighted. It is concluded that the echo-integration approach is ... superior for the estimation of regional krill abundance and its variance since it is easier to apply ... (h k )/, the vertical limits of the aggregation at that point, and nk is the number of pings ... equations and assumptions underlying estimation of krill abundance using echo-integration information and ... aggregation parameters are briefly described. The chief differences of the two approaches are highlighted ... . It is concluded that the echo-integration approach is superior for the estimation of regional kriU ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Author(s): Hampton, I. and D.G.M. Miller

8. The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3

   November 1991 to 10 March 1992. A total of 3 382 tonnes was taken by one Bulgarian, five Russian and eight ... influenced by fishing depth, time of day or soak time, but was dependent on type of hook and geographical ... position. Fish caught around Shag Rocks were larger than to the north and southeast of South Georgia. CPUE ... 0.2 in the Bulgarian. These differences were probably a result of the different hook types used by the ... 20 to 25 mm (Moreno, 1991)]; • Type 11 - hooks slightly recurving at the barb and twisting out of a ... exploited by the Chilean fleet), at similar depths over similar times, but the line characteristics of the ... Dissostichus eleginoides in Subarea 48.3 was open from 4 November 1991 to 10 March 1992. A total of 3 382 ... five-day period was 375 tonnes. Catch rate was not influenced by fishing depth, time of day or soak ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Author(s): Agnew, D.J. and C.A. Moreno

9. Survey design to estimate krill abundance during FIBEX

   . The standard frequency would be 120 kHz. In addition, underway observations were requested for surface ... of the primary aims of FIBEX (First International BIOMASS Experiment), 1981 was to study the ... methodology for assessing the abundance of krill. The survey design used in the southwest Atlantic study area ... of the FIBEX is described in this paper. Sampling involved the use of echo sounders for estimating ... krill abundance as well as collection of data on the size, density and distribution of krill swarms. In ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Author(s): Everson, I., I. Hampton and G.M. Jolly

10. Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989

    the seasons 1986 to 1989 Abstract / Description:  Results of krill (Euphausia superba Dana) resource ... account an area to the north of the edge of the continental slope. Each subarea was described in terms of ... the number of krill aggregations, regularity of their observations, krill density and total krill ... conditions and extent of the ice cover. If ice conditions are favourable, the subarea between 143° and 150°E ... biomass of kriU were consistently at their highest during the years of observation (except 1986). The ... V.P.Timonin* Abstract Results of krill (Euphausia superba Dana) resource surveys carried out along the ... the north of the edge of the continental slope. Each subarea was described in terms of the number of ... krill aggregations, regularity of their observations, krill density and total krill biomass. It was ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Author(s): Dolzhenkov, V.N. and V.P.Timonin

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