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1. Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea

   to the overall TS are calculated (Anderson, 1950; Haslett, 1962, 1970; Johnson, 1977; Stanton, 1988a, 1988b ... continental slope and shelf of the Ross Sea at depths from 30 to 120 m, during the Italian expeditions of 1997 ... indicate that the TS–TL relationships at 38, 120 and 200 kHz of adults of P. antarcticum differ ... Ross Sea Abstract / Description:  Target strength (TS) of preserved (frozen and defrosted) Antarctic ... silverfish (Pleuragramma antarcticum) of total length (TL) from 110 to 202.5 mm were measured ex situ (Ancona ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Author(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi

2. An assessment of the impact of krill fishery on penguins in the South Shetlands

   , activity budgets and foraging trip duration (Everson, 1987; Trivelpiece et al., 1987). During shipboard ... Paper Title:  An assessment of the impact of krill fishery on penguins in the South Shetlands ... Abstract / Description:  An assessment of the competition between the Japanese krill (Euphausia superba ... the northern shelf of either Livingston or Elephant Island. In contrast, food consumption by penguins ... is estimated to be high to the north of King George, Nelson and Robert Islands (9 746 tonnes/10-day ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Author(s): Ichii, T., M. Naganobu and T. Ogishima

3. Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning

   . Rogers. 2009. Developing best practice for using Marxan to locate marine protected areas in European ... season, 64% of the CAMLR Convention Area was open to fishing for at least one species. There were ... Paper Title:  Spatial distribution of management measures, Antarctic krill catch and Southern ... conservation planning for developing marine spatial protection includes analysis of the spatial distribution of ... . The analysis required standardised information on the location and extent of spatial fisheries ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Author(s): Grant, S.M., S.L. Hill and P.T. Fretwell

4. Archival and satellite-linked data recorders

   ., Requests for further information on either of these units should be directed to Dr G.L. Kooyman ... is also required to calibrate the instrument. Specifications upon request. Cost is $2500.00 ilMIN6 ... provides an overview of currently-available data recorders for use in research on marine animals. These ... recorders are deployed on freely swimming animals and gather data on aspects of an animal’'s diving ... behaviour. The records can be recovered in one of two ways: the data recorder must either be recovered ... intact, or the data recorder must be capable of disseminating its data via a radio link, such as the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Author(s): Hill, R.D.

5. Using ecosystem monitoring data to detect impacts

   biological parameters (including diet, breeding success, weight, growth rate and foraging trip duration ... diagnosing an impact and add to the risks associ- ated with inaction. Evaluation of the risks associated ... purpose of ecosystem monitoring programs is to indicate the state of ecosystems and whether they have been ... impacted by activities such as fishing. This paper discusses a range of methods for inferring such impacts ... using monitoring data with no control sites. These methods assess either (i) the expected probability of ... an observed value in an unimpacted system, or (ii) the frequency of values below a fixed reference ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Author(s): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda

6. Status of the FIBEX acoustic data from the West Atlantic

   ) (Anon., 1986). At the time the precautionary catch limit was set, SC-CAMLR also requested ... , 1991b - paragraph 3.78). In fulfilling this request, Trathan e t al. (1992) used new TS estimates ... Herwig. While there is an error factor due to the combination of data collected at 50 kHz (Walther Herwig ... Paper Title:  Status of the FIBEX acoustic data from the West Atlantic Abstract / Description ... consistency of krill abundance estimates derived from different survey vessels. There is a good level of ... consistency between the results from four of the vessels, Itzumi, Dr Eduardo L. Holmberg, Odissey and Walther ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Author(s): Trathan, P.N. and I. Everson

7. Biological characteristics of Antarctic fish stocks in the southern Scotia Arc region

   not suggest geographical differences in length-to-weight growth. Differences in estimates of length at ... sexual maturity and length at first spawning indicate that in some species final maturation of the gonads ... southerly grounds than at South Georgia. The distribution of gonadosomatic indices in March suggested that ... coriiceps have egg diameters of 4.3-5.2 mm at spawning. The Trematomus species investigated have egg ... growth. Differences in estimates of length at sexual maturity and length at first spawning indicate ... ~psoceplzaltis gtinnari was one year later on the southerly grounds than at South Georgia. The distribution of ... C. gt~nnari), Notothenia rossii and Nototlzenia coriiceps have egg diameters of 4.3-5.2 mm at ... analysed in toto and sorted and identified to species level. A subsample of at least 500 kg was taken ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 1–41 : Author(s): Kock, K.-H., C.D. Jones and S. Wilhelms

8. Scientific observations in CCAMLR fisheries – past, present and future

   (v) above)2. More recently, scien- tifi c observers have also been requested to: (i) collect and report ... and comprehensive observational series. Initially, CCAMLR requested that all fi sh and fi sh by-catch data ... at the end of each fi shing trip and email them to the CCAMLR Secretariat3. This is important because ... . The Commission has already requested the Scientifi c Committee to prepare advice on the scientifi c objectives ... / Description:  CCAMLR has the primary competency for managing fishing south of the Antarctic Polar Front ... . Despite a relatively long history of scientific research and fisheries, CCAMLR’s fisheries management ... -independent studies are difficult and expensive to conduct. In addition, the size of the Convention Area, its ... standard catch and effort data supplied by vessels, the collection of data by scientifically qualified ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Author(s): Sabourenkov, E.N. and E. Appleyard

9. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

   - ate feedback approach is implemented. The development of a feedback approach is a substantial ... Control of the Antarctic krill fishery Abstract / Description:  CCAMLR aims to develop a feedback approach ... to aid ecosystem-based management (EBM) of Antarctic krill fisheries. It is important to assess ... and uncertain conditions typical of Antarctic marine ecosystems. This study used Model Predictive ... spatially resolved annual catch limits in response to estimates of the state of the system. It suggests that ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Author(s): Hill, S.L. and M. Cannon

10. Effects of different harvesting strategies on the mackerel icefish Champsocephalus gunnari around South Georgia

    were: different levels of constant fishing mortality (F 0.1, F max, 2xF max); harvesting constantly at ... strategy at present. The establishment of a regular recruit survey would offer the possibility of adjusting ... Paper Title:  Effects of different harvesting strategies on the mackerel icefish Champsocephalus ... gunnari around South Georgia Abstract / Description:  The effects of a number of harvesting strategies on ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 77–100 : Author(s): Köster, F.W. and K.-H. Kock

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