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1. Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a

   initial stock assessment and adaption of catch limits and tagging rates is presented for new and ... catch-at-length/age data and tagging data at-length/age. A simple algorithm, based upon the Petersen ... tagging levels that will produce an expected abundance estimate in the following year of a given precision ... whilst ensuring the sustainable exploitation of the stock as per the CCAMLR management procedure. The ... using the relevant tag mortality parameter. The shedding rate, TS, is a function of the time-at ... in Seber (1982). For a given number of tag-releases, the CV in abundance is at a maximum at zero ... observed number of tags would be very close to being fished-out, at least for certain param- eter draws ... chance at all in obtaining a reli- able estimate of r from the data alone. Normally, the r parameter is ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Author(s): Hillary, R.M

2. A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   of the OM for the MP testing, and one is assuming that the same process that gener- ated such data ... Zealand, April 2003: www.ccsbt.org/docs/pdf/meeting_ reports/ccsbt_10/report_of_mpws2.pdf. Cooke, J.G ... -recruitment curve steepness h is low. These tests also indicate that monitoring of future catch-at-length ... ) resource in the Prince Edward Islands vicinity Abstract / Description:  The status of the toothfish ... , whereas catch-at-length information indicates that past catches have had relatively little impact on ... future TACs in the face of this appreciable uncertainty. Four Operating Models (OMs) reflecting ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Author(s): Brandão, A. and D.S. Butterworth

3. Integrating Count Effort by Seasonally Correcting Animal Population Estimates (ICESCAPE): a method for estimating abundance and its uncertainty from count data using Adélie penguins as a case study

   is published and a raw count cannot be inferred, then ‘pseudo-replicates’ are gener- ated from the adjusted ... to be of practicable benefit. This and other covari- ate-based approaches (e.g. using environmental covariates ... series are typically collected at only a limited number of sites, so surrogate availability information ... , the method is applied to several examples of published studies of Adélie penguin abundance at breeding ... animal count data to a common reference point of breeding chronology for species with a complex temporal ... function of sampling availability. ICESCAPE (Integrating Count Effort by Seasonally Correcting Animal ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 213–227 : Author(s): McKinlay, J., C. Southwell and R. Trebilco

4. Surface water circulation in krill fishing areas near the South Shetland Islands

   with a drogue attached at a depth of 30 m to assess flow patterns at the depth range where krill tended ... deployed in shelf and oceanic waters to the north of the South Shetland Islands. Each buoy was deployed ... buoy tracks, the surface circulation to the north of the South Shetlands shelf was described as a slow ... sluggish southwest current with a series of small-scale circular and semi-circular flows in the shelf ... at a depth of 30 m to assess flow patterns at the depth range where krill tended to be most abundant ... ; cylindrical type - length 8.6 m, diameter 0.94 m in 1994/95) at a depth of 30 m to assess flow pattern at ... merged into large swarms at 58-59's along 49"W, which happens to be on the route of the oceanic ... . Naganobu National Research Institute of Far Seas Fisheries 5-7-1, Orido, Shimizu, 424 Japan Abstract ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Author(s): Ichii, T. and M. Naganobu

5. An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia

   . As part of the development of a protocol for sampling longlines and their catch requested by CCAMLR (SC ... requested otherwise. It broke once while in use, and was replaced for the following set. No offal ... Paper Title:  An assessment of CCAMLR measures employed to mitigate seabird mortality in ... the effectiveness of measures employed by CCAMLR to mitigate seabird mortality. Following an agreement ... between the Governments of the United Kingdom and Chile, a UK observer was placed aboard a Chilean ... conservation measures, lines were set at night, weights (6-7 kg) were set at 50 m intervals along the line, all ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Author(s): Ashford, J.R. and J.P. Croxall

6. Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study

   ), foraging trip durations (A2 and A5) and fl edging mass (A7). ACKNOWLEDGEMENTS The authors thank Grant ... /decline rates of the Adélie penguin population at Béchervaise Island were found to be more sensitive to ... Paper Title:  Demographic characteristics of the Adélie penguin population on Béchervaise Island ... after 12 years of study Abstract / Description:  Demographic parameters (age-specific survival rates ... eastern Antarctica after 12 years of monitoring under the CCAMLR Ecosystem Monitoring Program (CEMP). A ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Author(s): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry

7. A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems

   to approve such activities and requested the Scientific Committee to review the use of bot- tom trawling ... have associated levels of uncer- tainty (Beer, 2006). Such uncertainty can be associ- ated with natural ... operates should be related to the scale of VMEs, presently unknown. However, management at the level of ... Paper Title:  A risk-management framework for avoiding significant adverse impacts of bottom ... measure in 2007 to ensure that significant adverse impacts of bottom fishing gear on Vulnerable Marine ... Ecosystems (VMEs) are avoided. Due to the high levels of uncertainty surrounding both the evidence of VME ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Author(s): Martin-Smith, K

8. Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons

   fishable Paralomis spinosissima is highest off the northern coast of South Georgia and at depths of about ... tagged and released during Phase 2. Four of the tagged crabs were recovered, and these crabs were at ... Paper Title:  Preliminary analyses of data collected during experimental phases of the 1994/95 and ... Champion during Phases 1 and 2 of the experimental crab fishery were analysed using generalised additive ... fishable Paralomis spinosissinza is highest off the northern coast of South Georgia and at depths of about ... crabs were at liberty for about one to five weeks. The recaptured crabs had minimum movement rates of ... at the beginning of the second season i n which a vessel participates in the crab fishery. In ... Antarctic crab fishery at the end of January, 1996 to participate in Subarea 48.3's fishery for ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Author(s): Watters, G

9. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL

   1 An IntegrAted Stock ASSeSSment for the PAtAgonIAn toothfISh (Dissostichus eleginoiDes) for the heArd ... appropri- ate weights in the objective function. The length composition data (proportions-at-length) from ... , iteratively estimated process error for the catch-at-length data and the inclusion versus exclusion of the tag ... Division 58.5.2), using CASAL and data consisting of multi-year random stratified trawl survey (RSTS ... ) abundance estimates by length bin, commercial catch-at-length data, standardised CPUE series for the trawl ... representative of the main plateau, where juvenile fish are found, but are of relatively low intensity in effort ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Author(s): Candy, S.G and A.J. Constable

10. Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean

    2 (PEMI2) can be obtained from the authors on request. Allele frequency differentiation among the four ... Paper Title:  Population genetic structure of Patagonian toothfish in the West Indian Ocean sector ... of the Southern Ocean Abstract / Description:  Molecular markers were used to investigate the stock ... structure of Patagonian toothfish (Dissostichus eleginoides) in the West Indian Ocean sector of the Southern ... Ocean. Four collections of D. eleginoides from Kerguelen (n = 1), Crozet (n = 1) and Prince Edward and ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Author(s): Appleyard, S.A., R. Williams and R.D. Ward

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