Search results

1. The Australian exploratory toothfish fishery in CCAMLR Division 58.4.2 and Subdivision 58.4.3b in season 2003/04

   results of the fisheries in Division 58.4.2 and Division 58.4.3b are summarised. Between 12 December 2003 ... Division 58.4.3b. 19 sets were completed, yielding 447 kg of D. eleginoides and 6345 kg of D. mawsoni ... , specifically in SSRUs D and E. 129 kg of D. eleginoides and 19 552 kg of D. mawsoni were caught from 46 sets ... . Overall, bycatch was highest at BANZARE Bank with 916 kg of total bycatch, comprising 15% of the total ...

   Meeting Document : WG-FSA-04/66 : Author(s): D. Erceg and E. van Wijk (Australia)

2. Hydrometeorological condition features in South Orkneys subarea in February–March 1996

   Abstract:  There are presented some results of atmospheric circulation features evaluation over ... Antarctic Sector of Atlantic, thermochaline conditions and surface geostrophic transfers. There are obtained ... daily indeses of atmospheric circulation for the period February-March 1996, calculated average values ... polygon, allowing to provide the most clear marking of the main water masses and Secondary Frontal Zone ...

   Meeting Document : WG-EMM-96/35 : Author(s): Polischuk, M.I., Shnar, V.N.

3. Underwater noises produced by research vessels (some comments on acoustic sampling protocol for the Area 48 synoptic survey

   Abstract:  The underwater vessel noise levels perceived by the echosounder EK-500 transducers of ... three Russian research vessels have been presented. These data have been compared to the estimate of the ... that the level of underwater noise produced by vessel is an important technical property to be taken ... into account in assessment of such parameters of Acoustic Sampling Protocol as TS and Sv thresholds and ...

   Meeting Document : WG-EMM-99/18 : Author(s): S. Kasatkina (Russia)

4. Predicting changes in the Antarctic krill Euphausia superba population at South Georgia

   of Antarctic krill Euphausia superba and subsequent effects on dependent predators. However, the ... nature and consequences of changes in krill population dynamics that accompany l1uctuations in its ... abundance are essentially unknown. A conceptual model, developed froll1 quantitative measures of krill ... length ill the diet of predators at South Georgia from 1991-1997, allowed predictions to be made about ...

   Meeting Document : WG-EMM-99/37 : Author(s): K. Reid, K.E. Barlow, J.P. Croxall and R.I. Taylor (UnitedKingdom)

5. Changes in the fish biomass around Elephant Island (Statistical Subarea 48.1) from 1976 to 1996

   been exploited from 1978179 to 1988189 with most of the commercial harvesting taking place in the first ... two years of the fishery. Results of bottom trawl surveys conducted by Germany in the vicinity of ... Elephant Island in the 1980s showed that stocks of Champsocephalus gunnari, Notothenia rossii ... , Gobionotothen gibberifrons, Chaenocephalus aceratus have been considerably affected by fishing. Stocks of G ...

   Meeting Document : WG-FSA-97/27 : Author(s): Kock, K.-H.

6. Improvements to the multiple-frequency method for in situ target strength measurements

   to improve the accuracy and precision of in-situ target strength (TS) measurements using split-beam ... improves the rejection of unresolvable and constructively interfering target multiples by combining ... synchronized signals from two or more adjacent split-beam transducers of different frequencies which are not ... integer multiples of each other. In this study, the method itself was improved by: 1) optimizing the ...

   Meeting Document : WG-EMM-99/38 : Author(s): D.A. Demer (USA) and M.A. Soule (South Africa)

7. UPDATED BIOLOGICAL PARAMETERS FOR THE ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA

   Abstract:  Photographs of skates taken by observers on New Zealand toothfish longliners in the ... Ross Sea were identified to species. Sample sizes were small, but indicated a ratio of 10.75:1 of ... of tagged skates. Biological parameters were reviewed and updated for Amblyraja georgiana. Revised ... relationships differ significantly. Better estimates of median length at maturity were made possible through a ...

   Meeting Document : WG-FSA-08/20 : Author(s): M.P. Francis and S. Mormede (New Zealand)

8. Has climate change promoted genetic fragmentation in the ice-dependent fish Pleuragramma antarcticum?

   genetic study investigated the population structure of this species, but used mitochondrial DNA sequencing ... and was unable to discriminate between hypotheses of panmixia, with occasional fluctuations of gene ... investigate the population structure of P. antarcticum along the Antarctic Peninsula (AP) shelf, a region of ... Antarctica highly impacted by regional warming. We found a single gene pool and an absence of inter-annual ...

   Meeting Document : WG-FSA-13/67 : Author(s): C. Agostini, T. Patarnello (Italy), J. Ashford, J. Torres (USA) and L. Zane (Italy)

9. KPFM2, be careful what you ask for – you just might get it

   the WG-EMM in 2005. The new version of our model is called KPFM2, and we have addressed all four of ... allocation of catch among the SSMUs (i.e., add seasonality, consider alternative movement hypotheses, add ... distribution of simulated catch to the distribution of historical catch). We have added a substantial number of ... other features to the model as well. Many of these features were suggested to us at the 2005 meeting of ...

   Meeting Document : WG-EMM-06/22 : Author(s): G.M. Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom)

10. PHYSICAL CONTROLS ON CORAL COMMUNITIES ON THE GEORGE V LAND SLOPE: SOME WORKING HYPOTHESES

    their likely distribution. The CEAMARC survey of 2007/2008 found these communities at sites on the upper ... slope in depths of 570 – 950 m. Based on these results we propose some working hypotheses to explain ... their distribution. Icebergs scour to 500 m in this region and the lack of such disturbance is probably ... a factor allowing growth of rich benthic ecosystems. In addition, the richest communities are found ...

    Meeting Document : WS-VME-09/04 : Author(s): De Santis, L., Riddle, M.J., Beaman, R.J., Post, A.L., O’Brien, P.E.

Pages