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1. Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments

   they occur, but so far no such movement has been detected. It appears that fish tend to be locally ... , and so appear to be behaving differently from those fish that follow the normal pattern of residency ... be genetically distinct. However, in the Indian Ocean, it is largely unknown whether stocks are ... these data. The bulk of the data show that fish disperse only a very short distance, up to 15 n miles in ... approximately 7.5 million fi sh in 1998 to 3.5 million in 2001. It should be noted that these estimates lump ... , but so far no such movement has been detected. It appears that fi sh tend to be locally resident ... shing grounds, and so appear to be behaving differently from those fi sh that follow the normal pattern ... al., 2001; Smith and McVeagh, 2000) which demonstrates that fi sh from widely separated locations ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Autor(es): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb

2. Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies

   these species are summarized in tables with details on area, season and source of data. Some data, e.g ... been discovered that abundant distribution of these species is limited by the waters associated with ... species. Some details of the biological characteristics of these species are summarized in tables with ... distributed and abundant, with more than 20 species found in the area. Most of them have a circumpolar ... mesopelagic fish in Antarctic waters published in the last 5 to 7 years. The paper deals specifically with ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Autor(es): Sabourenkov, E.N.

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

   Rocks area (t test, p<0.001). This result is similar to that seen in Figure 7, where there is an ... vessels was far in excess of that for Russian and Bulgarian vessels, with the former having a mean CPUE ... Dissostichus eleginoides opened on 4 November 1992 with a TAC of 3 500 tonnes, and was closed on 10 March 1992 ... was no significant correlation between the time that hooks were in the water and the number of fish ...

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

4. Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas

   rebuilding of the depleted stocks and improvement in yields. It is desirable that such measures be based on ... average, with the past observations. The simulations may prove useful in comparing observed performance of ... severely depleted, and the Commission agreed that only small, unavoidable by-catches should be taken. The ... group also estimated that the stock could be expected to increase at an approximate rate of 30% per ... Table 5 (Kerguelen). It may be useful to reiterate here that the higher F is the terminal F value ... - 2.1.2 N. gibberifrons As with N. rossii, the trends in stock biomass have a pattern similar to that ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Autor(es): Hennemuth, R.C., K.D. Bisack and G. Duhamel

5. Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf

   in relative abundance of these subadult fish could be detected. It is recommended that CCAMLR ... potential predators, and thus where any ecosystem effects would be most likely to occur. The shelf catch has ... , with some evidence for an ontogenetic migration from east to west as they grow. From the fisheries data ... the fishery. Nevertheless, it would seem prudent to have a monitoring system in place so that changes ... so that changes in relative abundance of these sub- adult fish could be detected. It is recommended ... most likely to occur. It should be noted that a paper providing a more com- prehensive analysis of the ... that most catches were taken at a depth of 800–900 m. Most fishing was carried out in 2007, with ... suggests that D. mawsoni are strongly associated with a particular depth range and therefore have a ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Autor(es): Hanchet, S.M., S. Mormede and A. Dunn

6. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   ) and upwards in a low-density box, so that they tended to be retained in high-density boxes. The model ... allows simulation of releases by box over multiple years. The model performed as expected with test ... and/or fishing effort; by ‘ideal’, it is meant that either tagging or fishing effort was in direct ... indicated that the Petersen estimator produced an underestimate of true population size. Although this paper ... that they tended to be retained in high-density boxes. The model allows simulation of releases by box ... - mated by a straight line for this purpose) needed to be sufficiently small that toothfish would have a ... in that year 40 W 43 3 0' W 48 0 0' W M an ag em en t A re a A (W es t S ha ... released in that and earlier years Fi gu re 1 : D is tr ib ut io n of t ag a nd r el ea se ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Autor(es): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

7. Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels

   every 40 m averaged 0.22 m s –1 to 2 m depth, which would be equal to, or exceeded by, lines with 5 kg ... with seabirds. The weights typically used are collections of rocks enclosed in netting bags. During ... fishing operations the netting bags abrade on the seabed causing rocks to be lost and the weights to ... become progressively lighter, requiring ongoing repair. This problem can be solved by use of ... be equal to, or exceeded by, lines with 5 kg steel weights. Sink rates of Chilean longlines greatly ... subsequent to Agnew et al. (2000), who did not measure sink rates, revealed that longlines equipped with ... is an antiquated line-weighting method that creates problems with regard to consistency of mass ... weight is attached to the end of each one (Figure 1). The branch/connecting lines can be fitted with a ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Autor(es): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon

8. Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

   survey combined with a number of identification hauls might be the most promising approach to estimating ... part of a subarea is commonly estimated from surveys that target a number of species, including N ... . rossii, at the same time. These surveys are conducted under the assumption that the target fish species ... violated in the case of N. rossii, which is non-randomly distributed such that a large proportion of the ... abundance of the species, it is suggested that an acoustic survey combined with a number of identifi cation ... . To estimate the biomass of a range of species with similar precision, one has to assume that the ... Tershy, 1998; Goebel et al., 1998, 2003; Daneri and Carlini, 2001). From these investigations it may be ... : hauls with large catches tend to occur in small areas that are consistent between years while hauls ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Autor(es): Kock, K.-H., M. Belchier and C.D. Jones

9. Archival and satellite-linked data recorders

   recorders are deployed on freely swimming animals and gather data on aspects of an animal’&#039;s diving ... behaviour. The records can be recovered in one of two ways: the data recorder must either be recovered ... intact, or the data recorder must be capable of disseminating its data via a radio link, such as the ... ARGOS satellite system. Recorders can be further subdivided into raw-data and processed-data recorders ... animal is hauled out onto a beach or ice-floe. The instruments can also be equipped with a' temperature ... recorders discussed in the previous section is that they must be recovered. Satellite-linked recorders ... . The transmission requirements of the ARGOS system require that 1 watt transmissions be used. This ... should thus spend at least five minutes at the surface or take short dives so that transmissions can be ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Autor(es): Hill, R.D.

10. Homogeneity of body length composition of Antarctic krill within the commercial zone

    that sampling from one part of the haul provides a reasonable estimate of length composition in the ... recommended that samples should be taken as frequently as possible from different hauls in order to obtain a ... ) in 53 out of 60 hauls. Therefore it is concluded that sampling from one part of the haul provides a ... grenadier (Macruronus novaezelandiae), Uozumi and Kawahara (1988) have shown that finfish are not randomly ... mixed within each haul. They, therefore, recommended the collection of sub-samples from as many ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Autor(es): Ichii, T.

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