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1. Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)

   del Fuego was conducted as part of the New Fisheries Projects developed by Chile, primarily to ... establish the presence of Dissostichus spp. in Subareas 48.1, 48.2 and 88.3. Industrial longlines (Spanish ... system) were used for the operation, with variable quantities of fish hooks (1 440 to 4 320), No. 9 ... Mustad Kirby type, set between depths of 600 and 2 550 m. Sardines (Sardinops sagax) and squid (Illex ... baited manually. At each station, initial and final longline location, number of hooks used, type and ... size of bait, time of setting and hauling, depth at each end of the longline, type of bottom and ... , longlines were set at sundown in areas free of ice or icebergs and, whenever possible, on abrupt or ... HGT product was calculated. At the same time, sex, maturity stage of the gonads, and stomach ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Autor(es): Arana, P.M. and R. Vega

2. Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia

   distribution around South Georgia Abstract / Description:  Analyses of the distribution of krill fishing based ... mainly in shelf and shelf-break areas on the northern side of the Scotia Arc. Regional analyses reveal ... that there are restricted parts of shelf and shelf-break areas where high catches have been obtained ... . Although these data give a general idea of where the fishery has operated, they do not reveal the localised ... distribution of krill (Euphausia stlperbn Dana) is being enhanced by research surveys aimed at understanding ... indication of the exact location of the fishery. Fine-scale data are more useful, but at a resolution of ... distribution of where the fishery has operated over the last decade at both the Scotia Sea and the regional ... ) and was at its lowest level during the winter of 1993 with slightly higher catches reported in 1994 ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Autor(es): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt

3. Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region

   vulnerable marine ecosystems (VMEs) requires a specific list of the taxa that are considered vulnerable in ... the fishery being assessed. New Zealand identified an interim list of taxa to monitor in fishery by ... -catch in the Ross Sea as part of its benthic fisheries impact assessment. The rationale for including or ... at distinguishing non-VME taxa from VME taxa. The main point of confusion was in classifying pink ... of Marine Species (www.marinespecies. org). At these higher taxonomic levels (Phylum, Class, Order ... life-history characteristics of deep-sea invertebrates in the Ross Sea are rare, especially at the ... at risk because their recovery rates could be much less than a hypothesised rate of disturbance ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Autor(es): Parker, S.J. and D.A. Bowden

4. Some principles for fisheries regulation from an ecosystem perspective

   / Description:  The paper discusses some principles to be considered in the formulation of a framework for the ... regulation of fisheries from an ecosystem perspective, under the Convention for the Conservation of Antarctic ... regulation which have a more rigorous scientific interpretation than the broad principles of conservation set ... framed in terms of quantities which can be robustly estimated, thus allowing the degree to which ... , even at a scientific level, considerations arise which would not arise in the pursuit of a purely ... of their food supply, top predators will have some population level at which their net annual ... conservation of dependent species in the interim. It may be fruitful at this stage to attempt to formulate ... Holt (1956) is to predict optimum levels of fishing mortality and age at first fishing from estimates ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 323-339 : Autor(es): de la Mare, W.K.

5. Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari)

   ) Abstract / Description:  A large sample of otoliths from the mackerel icefish (Champsocephalus gunnari) was ... measured and weighed and their effectiveness as predictors of fish length and fish mass determined. The two ... measures, otolith length and otolith mass, provide good predictors of fish length, the latter being ... prediction limits of total lengths a little higher (a maximum of some the order,9.5 cm at 60 cm length. 3 ... simple linear regression models to Note that the prediction limits are of the order k11.5 cm at 60 cm ... Kingdom Abstract A large sample of otoliths from the mackerel icefish (Champsocephalus gunizari) was ... measured and weighed and their effectiveness as predictors of fish length and fish mass determined. The ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 117–123 : Autor(es): Everson, I., B. Bendall and A. Murray

6. International CCAMLR applied research and monitoring program, Prydz Bay priority area

   area Abstract / Description:  An outline is given of a proposed scientific research contribution by ... Australia towards the first five years of an International CCAMLR Applied Research and Monitoring Program in ... the Prydz Bay area. Emphasis is placed on the krill based part of the marine community in the Prydz ... Bay area. Some attention is also given to the fish and squid based part of the marine community on the ... APPLIED RESEARCH AND MONITORING PROGRAM, PRYDZ BAY PRIORITY AREA 1. INTRODUCTION At the meeting of ... confirmed by other member countries at the Fourth Meeting of the Scientific Committee of CCAMLR in ... at least the winter maximum extent of the sea-ice. We recognise, and give some attention to, the ... at this stage. 6 • TIME FRAME The initial three years of the Australian contribution will ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 283-295 : Autor(es): Australia

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

   58.4.2 (Kosmonavtov and Sodruzhestva Seas) Abstract / Description:  Current estimates of the level of ... then been extrapolated over all of Antarctica. According to these calculations the entire amount of ... krill consumed is between 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million ... tonnes (Lubimova, Shust, 1980 and Shust, 1987). However these extrapolated values of krill consumption by ... were sampled from catches of commercial mid-water and bottom trawls operating at depths of 100 to 600 ... the total consumption of kriU over the summer is estimated at 515.4 x 103 tonnes. The main consumers ... requirements for fish were 1.5 x 103 tonnes at the beginning of the season and 0.36 x 103 tonnes at the end ... kriU consumption at 444.7 x 103 tonnes. Approximately 18% of seasonal or 9% of yearly krill production ...

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

8. Factors to consider in developing management measures for krill

   / Description:  A brief review of the objectives of the Convention for the Conservation of Antarctic Marine ... Living Resources is given along with an outline of steps for the evolution of management procedures for ... krill fisheries. Various possible elements of procedures such as reactive, predictive, and feedback ... management, modelling, indicator species, pulse fishing, and the use of open and closed areas and seasons are ... to at least a healthy proportion of their original abundance. The conservation of species which ... . Conservation also involves ensuring that species that are not exploited will be maintained at levels of ... becomes clear that it can fail to meet the objectives of the Convention. At this point, it has to be ... the 'signal' about recruitment from 'noisy' data. The first part of such a problem is to decide at ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Autor(es): de la Mare, W.K.

9. Trawl bag selectivity in the Champsocephalus gunnari fishery

   :  Experiments on trawl bag selectivity during fishing on pre-spawning concentrations of Champsocephalus gunnari ... were carried out in June 1990 in the South Georgia area concurrently with trawl surveys as part of the ... and the selectivity factor was 3.10 for a mesh size of 80 mm. Comparison of these results with results ... cm) as well as earlier sexual maturation of fish were noted. It was suggested that the use of Polish ... of 54°25'S, 38°1O'W at depths of 230 to 250 m. The four-mile-long fishing site extended in a north ... of 35 mm kapron rope which were evenly spaced along the codend part of the trawl bag at 1.3 m ... experimental values. In this instance, the length of fish retained in the trawl bag at 50% equals: 150 ... fish retained at a 50% retention rate; B = mesh size. 5 . ANALYSIS OF RESULTS Analysis of the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Autor(es): Bidenko, V.G. and I.G. Istomin

10. Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish

    / Description:  Stock assessments rely on estimates of total mortality resulting from fishing activities ... counted in estimates of total fishing removals or otherwise accounted for in stock assessment models. The ... mortality resulting from the loss of sections of bottom longline gear in the Ross Sea region and Subarea ... average 208 tonnes of Antarctic toothfish mortality may be unaccounted for annually. While the current ... estimated at the scale of individual SSRUs because average catch rates may vary at the scale of SSRUs, but ... vessels routinely fish in conditions of high ice cover or at times when ice is moving more rapidly (e.g ... of season, area and fishing gear type. At present these data are inadequate in the Ross Sea region ... Stock assessments rely on estimates of the total mortality resulting from fishing activities. While ...

    Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Autor(es): Webber, D.N. and S.J. Parker

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