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1. Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area

   estimates from surveys by the FRG. These data indicate that the stock of N. rossii in 1985 was about 2.5% of ... its pre-exploitation biomass, while the stock of Champsocephalus gunnari has fluctuated greatly with ... Discussion In this case, the historical catches have been so large compared with the current biomass that ... (CCAMLR, 1985, p. 81). The turnover of C. gunnari is much faster than that of N. rossii with up to 90 ... recruitment appears to fluctuate considerably, there would be a high probability that any catch quota would ... problem in fisheries management that the limits to the productivity of a stock can only be detected by ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Auteur(s): Cooke, J.G.

2. Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3

   a g s t r ~ m (1987) found that swept area increased with depth, particularly between 50 m and ... (Figure 1) is known to be hard and uneven, thereby making bottom trawling difficult. Trawls with a high ... 3.3 minutes at station 30. It should be noted, however, that times on the bridge were only recorded ... headline sensor indicated that it had. The information from the sensor is likely to be more accurate than ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Auteur(s): Pilling, G. and G. Parkes

3. Joint Polish/American hydroacoustic survey of Elephant Island and the vicinity of King George Island, 1988

   estimated from 120 kHz data to be 260k tonnes and that in the Bransfield Strait south of King George Island ... in the vicinity of Elephant Island was estimated from 120 kHz data to be 260k tonnes and that in ... systematic manner and needs to be addressed to validate the results of any survey effort and to assist with ... and will be closely coordinated with us and other nations' research efforts. 2. MATERIALS AND ... Island. ( 2) Establishment of baseline studies coordinated with predator (e.g. seal and penguin ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 357–377 : Auteur(s): Macaulay, M.C.

4. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

   computer generation of krill distribution patterns, which are compatible with existing information on the ... is needed before such models can be used as the basis for the simulation studies required- some ... correlation in the estimation procedure requires that the values of additional parameters be estimated from ... . Accordingly, the first question which needs to be addressed is whether there are data that do indeed show ... procedure proposed, to obtain an abundance estimate; and (iv) comparing that abundance estimate with the ... radii, so that the true probability function would be some weighted average of equation (2) over ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Auteur(s): Butterworth, D.S., D.L. Borchers and D.G.M. Miller

5. Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)

   estimated for summer only (December to April). The assessments obtained indicate that if total fish biomass ... study area it is concluded that fish consume from 9 to 18% of annual krill production. File:  19 ... determined for 1978 to 1990. It should be noted that acoustic surveys in these areas were carried out over ... tonnes for the Kosmonavtov Sea. Therefore, we assume that the minimum value of PIB coefficient should be ... . It should be noted that commercial fishing of P. antarcticum in Subarea 58.4 did not take place ... Antarctica. It must also be pointed out that in some areas of the Antarctic, various groups of organisms ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Auteur(s): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk

6. Characteristics of krill swarms from Prydz Bay

   Euphausia crystallorophias. An increase in swarm length was seen with increasing distance from the coast ... relevance to the area that would have to be surveyed during the Ecosystem Monitoring Program, defined as ... distance). Plots of swarm length and swarm biomass index with distance, however, show that maximum length ... crystallorophias. An increase in swarm length was seen with increasing distance from the coast. Resume Le jeu ... (78 km transect length). However, it is believed to be representative of the swarm characteristics ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Auteur(s): Agnew, D.J. and I.R. Higginbottom

7. Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991

   (Figure 3). It cannot be excluded that part of this variation may be due to variations in sample size (60 ... the hyperiid T. gaudichaudii, krill and mysids form their staple food. A comparison with earlier ... mackerel icefish were found to be widely dispersed over the upper part of the shelf (Everson et al., 1991a ... been demonstrated in other fish species, such as winter flounder, Pseudopleuronectes americanus, that ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Auteur(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski

8. Food consumption by predators in a CCAMLR integrated study region

   directly applicable also to fur seals and could be modified to incorporate phocid seal data, when available ... . Prey categories are readily modifiable to sub-divide krill into sexes and maturity stages. With ... that the relevant data can be manipulated into the correct form, the use of the program is not ... the calorific value of that prey item will be assumed constant. Within each me the data is a series ... required. Note that the data files may be held in any directory provided that the user gives the complete ... . Must be 0 for non-breeders. Blank Total population size for this component. (For a population with a ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Auteur(s): Croxall, J.P., C. Ricketts and A.G. Wood

9. A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem

   myctophids demonstrate that this group of mesopelagic fish plays a significant role in the community of ... trophic relationships of predators. It should be pointed out that at present there are insufficient data ... demonstrate that this group of mesopelagic fish plays a significant role in the community of Southern Ocean ... distribution (Hulley, 1990). It has been established that in Antarctic and sub-Antarctic waters myctophids ... myctophids. Research into the myctophid diet showed that food type varies according to habitat. In the PFZ ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Auteur(s): Kozlov, A.N

10. Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987

    differed significantly from that in previous seasons which argues for an exchange with C. gunnari from ... 753 tonnes) is based on only one haul and should thus be regarded with care. Since the previous ... 1982/83, differed significantly from that in 1985 and 1986 arguing for an exchange with individuals ... ichthyofaunal groups mix: those with a lesser Antarctic or seasonal pack ice zone type of distribution and ... the catches increased. Composition of the catches of C. gunnari differed significantly from that in ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Auteur(s): Kock, K.-H.

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