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1. Validation of sink rates of longlines measured using two different methods

   or in congregations of seabirds before the target depth was reached. No TDRs were lost during the trial. Bottle tests ... before the target depth was reached. No TDRs were lost during the trial. Bottle tests were most useful ... . No TDRs were lost during the trial. Bottle tests were most useful, depending on sea state and weather ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Author(s): Wienecke, B. and G. Robertson

2. Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone

   , such as tropical fish with little seasonal structure in fish otoliths or scales. But dis- secting length-frequency ... to 0.44 and then 0.30, while the overall length-frequency dis- tribution does not change noticeably ... . Variable recruitment events naturally modify these general patterns in the length-frequency dis- tribution ... . Review of the use of survey data and length-at-age models in the assessment of Dis- sostichus ... eleginoides) are illustrated. While length-frequency data can be useful in assessments when integrated with ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Author(s): Ziegler, P.E., D.C. Welsford and A.J. Constable

3. Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys

   and Thysanoessa sp., which are known to be important alternative food in years of krill scarcity, as well as fish ... , was only occasional or negligible and varied from year to year. The spatial distribution of the main prey ... 48.3, did not show a consistent pattern from year to year.  Likewise, in the four surveys by the Dr ... in Subarea 48.3 during the period investigated can be defined as low in 1994 (equivalent to years of krill ... to be important alternative food in years of krill scarcity, as well as fish, was only occasional or negligible ... and varied from year to year. The spatial distribution of the main prey items in the diet of C. gunnari ... pattern from year to year. Likewise, in the four surveys by the Dr Eduardo L. Holinberg from 1994 to 1997 ... investigated can be defined as low in 1994 (equivalent to years of krill scarcity), intermediate in 1995 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Author(s): Barrera-Oro, E., R. Casaux and E. Marschoff

4. On the power to detect changes using the standard methods for monitoring parameters of predatory species

   foraging trips (A5.1), penguin breeding success (A6.1), penguin chick diet (A8.1), and fur seal foraging ... trip duration (C2.0). The other Standard Methods are not evaluated because the power analysis ... shifts by penguins(Standard Method A2.1), duration of penguin foraging trips (A5.1), penguin breeding ... success (A6.1), penguin chick diet (A8.1), and fur seal foraging trip duration (C2.0). The other Standard ... of foraging trips is a nested, or hierarchical, experiment. That is, for any particular year, several ... for 37 pairs of Adelie penguins in the two years was 24.3 hr. The mean duration of trips made by 47 ... to each foraging trip made during a particular year. The simplification we presented above partially ... the overall mean trip duration for the year. Using that method on data from Seal Island, the following ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 377–397 : Author(s): Boveng, P. and J.L. Bengtson

5. Age, growth and size at sexual maturity of Macrourus carinatus caught as by-catch in Australian sub-Antarctic trawl fisheries

   and McDonald Islands (Division 58.5.2) in 1992 and 1993. The range of estimated ages was 4 to 25 years ... of estimated ages was 4 to 25 years. There were no significant differences in growth parameters calculated ... . The range of estimated ages was 4 to 25 years. There were no signifi cant differences in growth parameters ... obtained during two commercial trawl fi shing trips to Macquarie Island in January 1999 and June 2000 ... 1993, and a commercial trawl fi shing trip to Heard and McDonald Islands in September/October 2000 ... shing trip to Heard and McDonald Islands in September/October 2000. The fi sh were measured for total ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 139–151 : Author(s): van Wijk, E.M., R. Williams and A.J. Constable

6. Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides

   from scientific research programs. From the point of view of a developing country, this option appears ... ); and • fishing mortality is separable by age (Doubleday, 1976). Catch-at-age for all recruited year classes ... survey duration (in years) R = recruitment t r = age at recruitment t m = terminal age L\ = time ... between the beginning of the year and the beginning of the research survey ... develop a comprehensive sampling design which will provide data in line with assessment procedures that ... Dissostichus eleginoides off the south of Chile which is being conducted in accordance with CCAMLR regulations ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 3–9 : Author(s): Zuleta, A.V. and C.A. Moreno

7. Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia

   slope at particular times of year. Months with a high mean length at depth are May and August ... slope at particular times of year. Months with a high mean length at depth are May and August ... of animals both up and down slope at particular times of year. Months with a high mean length at depth ... MenKMe BOAbI Ei KOHQeHTPHPYEOTCR K ce~epo-BOCTOK~ OT man mar. Y W ~ H 0 f i r e o p r ~ a 6b1no ... shelf. When this fishery started in 1989, fishing was conducted year round (CCAMLR, 1998). However ... indication of an early breeding period around early May. It is worth noting the very high proportion ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Author(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce

8. Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89

   aggregations are dispersed or lost due to storms and other factors. The velocity of the northeast drift ... the island with the current; and (iii) vessels return to position (i) when aggregations are dispersed or lost ... I " I I ...... I .... • J , • ,.. It , " I ,'... I I' I , '.. I , ,-t , ," , " : ~ "" : : / 1 I I ,., • I I I .... I I, I ,I 1\. I t. 1 I 1 I I , ,·~1 .~ .•. ~ ...... ~ . .; ........ : .. ,;.; .•. .:;.;;:~.-.~ .............................. .).( ....................... . " I ~ I....... \ f I ,... , "' \ : I." " \ I I : \ \ DI 61 : . .; .•. .:. ...•... Sl ... $ ., / 1 .... I I I • , I '\1 I , : I:: : ~ : : : •. ,: ••••••••• : •••••••••••••• : ••••••••••••••••••••••••••••• : ••••••.••...•• , •••.••. ~ .•.•.• I .~ .••••..•••. l ••••..•..••.•• ! " I 1 ~""'---.. \ ' " , 1 ~", \ ' • I 1 , • 1 I , 1/ 1 '\ \ 1 I I , 11 \ I • /' 1 'I I • '11 \ ' I I • It I I I I I I \ 1 I • I.' , • , • I •• , I I I J I , DI ... or lost due to storms and other factors. The velocity of the northeast drift of krill concentrations ... from Elephant Island, 59°30'-600 30'S and 53°-54°W (Figure 6f). Early in January 1989 some vessels ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Author(s): Sushin, V.A. and A.S. Myskov

9. Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia

   since become one of the major finfish fisheries in Antarctic waters. Early reports from the fishery ... in the longline fishery around South Georgia for the past several years, and whose fishing operation is typical ... this area are also likely to interact with the vessel during setting operations. From early sets ... redeployed but approximately half its length had been lost. The lost section of the streamer line ... for toothfish (Dissostichus spp.). Three regimes were examined, with weights of 4.25, 8.5 and 12.75 kg ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Author(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes

10. Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands, 1976-1987: implications for Southern Ocean monitoring studies

    of breeding population size, breeding success, foraging trip duration and offspring growth rate. 1977-78 ... in some or all of breeding population size, breeding success, foraging trip duration and offspring growth ... shown major fluctuations in some or all of : breeding population size, breeding success, foraging trip ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 445-447 : Author(s): Croxall, J.P., T.S. McCann, P.A. Prince and P. Rothery

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