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Cephalopod research in the Antarctic
Paper Title: Cephalopod research in the Antarctic Abstract / Description: Cephalopods are a ... major component of the Antarctic marine food web and it seems inevitable that they will be the subject ... of future commercial exploitation. Research is being carried out at BAS on the species composition ... policy for management of Antarctic cephalopods. In view of the rapidity that cephalopod fisheries can ... not exhaustive (see Clarke, 1980) and there is almost no information about the relationships between ... - 323 - CEPHALOPOD RESEARCH IN THE ANTARCTIC P.G ... . Rodhouse (United Kingdom) Abstract SC-CAMLR-VI/BG/ll Cephalopods are a major component of the ... Antarctic marine food web and it seems inevitable that they will be the subject of future commercial ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Autor(es): Rodhouse, P.G.
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Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari)
Paper Title: 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 ... analyses there was no significant difference between the results for male and female fish. Sex was not ... length. log,,-transformed data from all years with no restriction on range. The equation for all years ... all years with no restriction on range. The equation is: loglOWf = -0.0177 + 4.57 log10 L, (SEs ... Sea, Rep. No. CM 1979/n, 14. Reid, K. 1995. The diet of Antarctic fur seals (Arctocephalus gazella ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 117–123 : Autor(es): Everson, I., B. Bendall and A. Murray
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Preliminary results of investigations of the Federal Republic of Germany on Notothenia rossii marmorata (Fischer, 1885) in January/February 1985
Paper Title: Preliminary results of investigations of the Federal Republic of Germany on ... further basic data needed for stock assessment purposes, to assess the actual size of Notothenia rossii ... around South Georgia and Elephant Island and the extent to which the measures adopted by CCAMLR to ... rebuild the stock around South Georgia might be successful. Although reported catches in recent years have ... -CAMLR-IV/BG/11 1985 PRELIMINARY RESULTS OF INVESTIGATIONS OF THE FEDERAL REPUBLIC OF GERMANY ON ... needed for stock assessment purposes, to assess the actual size of Notothenia rossii around South ... Georgia and Elephant Island and the extent to which the measures adopted by CCAMLR to rebuild the stock ... . rossii around South Georgia is still largely affected by the fishery. Stock size is probably still less ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 33-57 : Autor(es): Kock, K.-H.
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By-catch of fish in the krill fishery
Paper Title: By-catch of fish in the krill fishery Abstract / Description: Observations are ... reported of icefish being taken as by-catch during krill fishing operations from a research vessel. The ... results indicate that the by-catch of fish in the commercial krill fishery may be significant in some ... areas of the South Georgia shelf. The problem is thought to be least in open ocean krill fishing. File ... South Georgia is at its peak during the winter months and our results give no information for that ... in deep water beyond the limits of this map and where no fish were caught have been excluded. Key ... WG-KRILL-9l/25 BY·CATCH OF FISH IN THE KRILL FISHERY ... taken as by-catch during krill fishing operations from a research vessel. The results indicate that the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Autor(es): Everson, I., A. Neyelov and Y.B. Permitin
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Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery
Paper Title: Effect of line sink rate on albatross mortality in the Patagonian toothfish longline ... vessels to derive a sink rate and line-weighting regime that would minimise the capture of albatrosses ... /s should greatly reduce the incidental take of albatrosses. For autoline vessels with gear and line ... -setting characteristics similar to the experimental vessel, this sink rate should be achievable with 4 kg ... ) may have affected the line sink-rate measurements. Hook-up rate for the CFL Pioneer was 1/75 s (no ... longline. No further fatalities were recorded, even though the number of albatrosses around the vessel ... ; spacings greater than 70 m had no effect on line sink rates to any of the depths over which measurements ... caught, then every 70 m; with the increase in weight, no more albatrosses were observed to be caught ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Autor(es): Robertson, G.G
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Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?
Paper Title: Seabird by-catch by autoline vessels: do line setters increase the sink rate of ... m –1 lead core) longlines by some autoline vessels in the Kerguelen and Crozet Islands Patagonian ... . A trial was conducted in the Ross Sea to determine the effectiveness of line setters in increasing ... the sink rates of IW longlines. Time-depth recorders were deployed on lines set with and without a ... disengaged as in normal fishing operations. To ensure magazines set with the line setter were set slack (no ... zero (P > 0.1). There was no significant interaction between treatment and TDR position on the ... magazines (P > 0.1). Similarly, there were no significant differences in the sink times between setting ... AUTOLINERS AND SEABIRD BY-CATCH: DO LINE SETTERS INCREASE THE SINK RATE OF INTEGRATED WEIGHT LONGLINES? G ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Autor(es): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith
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Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region
, Macrouridae) in the Ross Sea region Abstract / Description: Samples collected in 2008 led to the ... as M. whitsoni. The first comparison of the distribution and ecology of the two species of Macrourus ... in the Ross Sea region is presented. The number of rays in the left pelvic fin and number of rows of ... teeth in the lower jaw allowed the two species to be distinguished both in the laboratory and by ... sig- nificantly larger than the others [t(707), p < 0.001]. There was no statistically significant ... discrepancies observed in the age data. However, there was no systematic bias in the interpretation of the ... at a coarse taxonomic level only. Although there are no studies on the feeding of M. whitsoni or M ... Fishing for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region of the Southern Ocean ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Autor(es): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown
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Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas
Paper Title: Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen ... Islands areas Abstract / Description: The benefits of conservation measures are generally based on the ... rebuilding of the depleted stocks and improvement in yields. It is desirable that such measures be based on ... the expected rate of recovery relative to rates of fishing. A simulation model based on a ... Bertalanffy's equation came from the BIOMASS Scientific Series No. 6, 1985, by K.-H. Kock, G. Duhamel, and J ... ) SIMULATION OF RECOVERY RATES OF FISH STOCKS IN THE SOUTH GEORGIA AND KERGUELEN ISLANDS AREAS R.C ... . Hennemuth, K.D. Bisack and G. Duhamel (USA, France) Abstract The benefits of conservation measures are ... generally based on the rebuilding of the depleted stocks and improvement in yields. It is desirable 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
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Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990
in the South Georgia area in 1990 Abstract / Description: In January/February 1990 the UK and the ... USSR conducted two research cruises using the vessels RV Hill Cove and RV Akademik Knipovich to study ... the status of the Champsocephalus gunnari stock in the South Georgia area. In February 1990 the size ... 9+ were present in catches. Two peaks in size composition correspond with fish of the 1987 and 1985 ... GUNNARI LONNBERG, 1905 (CHANNICHTHYIDAE) TAKEN IN THE SOUTH GEORGIA AREA IN 1990 P.N. Kochkin ... * * Abstract In January/February 1990 the UK and the USSR conducted two research cruises using the vessels ... RV Hill Cove and RV Akademik Knipovich to study the status of the ChampsocephaZus gunnari stock in ... the South Georgia area. In February 1990 the size composition of catches taken by Akademik Knipovich ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Autor(es): Kochkin, P.N.
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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
Paper Title: Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea ... 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 ... reported sets and applied to sets with no reported hook loss for all fishing effort within the fleet ... Stock assessments rely on estimates of the total mortality resulting from fishing activities. While ... mortality associated with landed and discarded catch is routinely monitored, the mortality resulting from ... the loss of sections of bottom longline gear in the Ross Sea region and Subarea 88.2 Antarc- tic ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Autor(es): Webber, D.N. and S.J. Parker