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1. Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers

   appeared to be characterised by low diversity; no genetic variation was detected with restriction enzyme ... with mitochondrial and intron DNA markers Abstract / Description:  Two molecular methods, mitochondrial ... digested with the restriction enzymes, but there was no population differentiation among the three sea ... number of populations or stock units of D. mawsoni is unknown. There may be one genetic stock with gene ... mixed lineage leukemia-like protein gene (MLL) with the restriction enzyme BamH I identifi ed from the ... b in D. mawsoni may refl ect a historical population bottleneck in that species. MtDNA, with an ... ) OBSERVED WITH MITOCHONDRIAL AND INTRON DNA MARKERS P.J. Smith National Institute of Water and ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Автор(ы): Smith, P.J. and P.M. Gaffney

2. Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia

   Paper Title:  Seabird interactions with longlining operations for Dissostichus eleginoides at the ... South Sandwich Islands, actual and potential interactions with seabirds were assessed. Bird numbers ... vulnerability to longlining operations in the South Sandwich Islands may, therefore, be low. Quantitative data ... tha t these decl ines a re re la ted to inc identa l mortality associated with fishing operations ... a greater distance from the stern. It should also be noted that if line is lost during fishing ... operations, mixed polyester and polyethylene rope degrades more quickly. Vulnerability may also vary with ... with Longlining (0.57 birds/l 000 hooks) can be calculated for the 1992/93 season. This is likely to ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Автор(ы): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

3. Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion island, 1996/97 and 1997/98: in relation to longline fishing activity

   most frequently in association with wandering albatross nests, while 'other' (non-fishing ... Paper Title:  Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion ... debris found in association with seabirds at sub-Antarctic Marion Island for the period May 1996 to April ... and the 1997/98 field seasons. Fishing gear increased at a rate 10 times higher than 'other&#039 ... with these seabirds at their breeding colonies is a non- destructive sampling technique that can ... consistently collected all narine debris found, we do not expect that there will be any bias in the ... fisheries-related items). It should be noted that the work routines during the two field seasons were very ... follows a decrease in body size, and can be explained by the fact that most of the fishing gear found on ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 85–96 : Автор(ы): Nel, D.C. and J.L. Nel

4. Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass

   therefore be made to ensure that echosounders are calibrated at temperatures as close as possible to those ... Paper Title:  Variations in echosounder calibration with temperature, and some possible ... which suggest that echosounder transducer performance is dependent on ambient water temperature. Highly ... European calibration parameters were to be employed during surveys around South Georgia, and no account ... under-estimation of krill biomass by 52.5%. Every effort should therefore be made to ensure that ... that the materials used to construct transducers made them susceptible to changes in character with ... temperature, and suggested that many of the transducers then used in fishery acoustics would not be stable ... frequency may simply be a function of the increased variance associated with the 200 kHz calibrations ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Автор(ы): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe

5. Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time

   Paper Title:  Calibration of an acoustic echo-integration system in a deep tank, with system gain ... outlines the theory and procedures for calibrating an echo integration acoustic system with a standard ... sphere. It presents the results of an extensive calibration of a Simrad EK500 scientific echosounder with ... with the Cu sphere are, with the exception of the long pulse length, lower than those from the WC ... be performed with no effect from the water column boundaries so that only spherical waves reflecting ... different than that used in the actual deployment. It may be tested with a different transmission cable ... between the individual transducer leads and the cable screen. These resistances should be measured with ... frequency, the true impedance with the cable attached may be significantly different. As electronic ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 127–144 : Автор(ы): Demer, D.A. and R.P. Hewitt

6. The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery

   Paper Title:  The foraging range of Adélie penguins – implications for CEMP and interactions with ... feeding chicks regularly travelled up to 120 km offshore to the continental shelf and returned with krill ... , Euphausia superba. Locations of penguins on foraging trips were compared with historical records of fine ... -scale krill catch data for the regions of interest. The potential for overlap with krill fishing occurs ... travelled southeast appeared to be feeding within a large polynya associated with the Drygalski Ice ... occur (Hosie and Cochran, 1994). The birds are capable of foraging further afield bu t this may be at ... overlap of penguin foraging areas with any krill fishery that extends to the edge of the continental ... Antarctic coastline. At Mawson it is clear that there is potential for overlap with the fishery. At Davis ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Автор(ы): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson

7. Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994

   Paper Title:  Seabird interactions with longlining operations for Dissostichus eleginoides around ... eleginoides off South Georgia were assessed for incidental mortality and interactions with seabirds. Twenty ... petrels (Procellaria aequinoctialis); the four day sets contributed 85% of deaths, with giant petrels ... disproportionately affected in relation to their numbers near the fishing vessel; giant petrels may be ... be killing 44 000 albatrosses annually, and that the introduction of streamer lines to deter ... this concern CCAMLR introduced in 1991 the requirement that streamer lines be deployed during ... place may also be important: the decline in numbers of white-chinned petrels observed coincided with ... -chinned petrels approached the line and dived in groups, with deaths also appearing to be aggregated ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Автор(ы): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

8. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

   with various codends Abstract / Description:  Selectivity properties of single and doubler-layer twine ... codends (mesh size 120 mm) and single-layer tape codends with a mesh size of 60 and 100 mm were determined ... . It was found that the selectivity properties of twine codends are unsatisfactory in the case of ... of both tape codends were much better. It was found that an optimum mesh size of this codend for ... . It should be emphasized, however, that there were very few fish with lengths of 21-26 cm in the ... -layer tape codends with a mesh size of 60 and 100 mm were determined. It was found that the ... be generally said that all investigated codends were different from each other in their material ... mesh size. It was assumed during experiments that selectivity investigations should be conducted ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Автор(ы): Zaucha, J.

9. Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari

   Paper Title:  Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides ... was zero at Macquarie Island and very low at Kerguelen; most was associated with a single vessel using ... a netsonde cable while targetting C. gunnari. Most mortality associated with both longliners and ... trawlers was of white-chinned petrels, with a lesser mortality of albatross species. Mortality rates ... found in the bag of the net could be either collision with t h i netsonde cable or diving into the ... interaction of seabirds with fishing vessels was closely monitored during the 1994/95 season i n bo th t ... Duhamel (1991). This difference could be connected with the more active searching for food by the birds ... ship's wake and be left behind by the ship. The above behaviour meant that birds rarely came closer ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Автор(ы): Williams, R. and D. Capdeville

10. Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise

    Paper Title:  Interaction of marine mammals with the longline fishery around the Kerguelen Islands ... during the 1995/96 cruise and marine mammals occurred with the Antarctic fur seal (Arctocephalus gazella ... whales around the vessel may not be due to chance, but is likely to be linked to the fact that the ... number of fish lost, and the number of fur seals present. It should be noted that Antarctic fur seals ... INTERACTION OF MARINE MAMMALS WITH THE LONGLINE FISHERY AROUND THE KERGUELEN ISLANDS (DIVISION 58.5.1 ... occurred with the Antarctic fur seal (Auctocephalus gazella). These seals are responsible for the loss of ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Автор(ы): Capdeville, D

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