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1. ESTIMATION OF IUU CATCHES OF TOOTHFISH INSIDE THE CONVENTION AREA DURING THE 2008/09 FISHING SEASON

   Abstract:  The paper presents an estimate of IUU catches of toothfish during the 2008/09 fishing season, using the standard methodology. Author(s):  Secretariat Title:  ESTIMATION OF IUU CATCHES OF TOOTHFISH INSIDE THE CONVENTION AREA DURING THE 2008/09 FISHING SEASON Approval:  Approved

   Meeting Document : WG-FSA-09/5 Rev. 1 : Author(s): Secretariat

2. DEVELOPMENT OF A REGISTRY OF VULNERABLE MARINE ECOSYSTEMS IN THE CONVENTION AREA

   Abstract:  Conservation Measure (CM) 22-06 requires the Secretariat to maintain an inventory of vulnerable marine ecosystems (VMEs) in the Convention Area for circulation to Contracting Parties and other relevant bodies. In addition, CM 22-07 requires the Secretariat to notify fishing vessels in

   Meeting Document : WG-FSA-09/06 : Author(s): Secretariat

3. Climate Change, Longevity Overfishing and Precautious Management of the Area 88 Toothfish Fishery

   Abstract:  Three aspects of current management of the “exploratory” Antarctic toothfish (Dissostichus mawsoni) fishery in Area 88 indicates that less-than-full precaution is being exercised in the face of climate-related environmental changes currently underway. These aspects are: 1) lack of

   Meeting Document : WG-FSA-09/07 : Author(s): D. Ainley (USA), M. Massaro, G. Ballard (New Zealand) and J.T. Eastman (USA)

4. DEPREDATION AROUND SOUTH GEORGIA AND THE IMPLICATIONS ON STOCK ASSESSMENT OF D. ELEGINOIDES

   Abstract:  Observer data collected on longliners between 2003 and 2009 was analysed to look at the levels of depredation caused by killer whales (Orcinus orca) and sperm whales (Physeter macrocaphalus) around South Georgia. Since 2003 cetaceans have been observed on 3000 out of 14644 observed lines

   Meeting Document : WG-FSA-09/16 : Author(s): J. Moir Clark, D.A. Agnew, P. McCarthy and M. Unwin (United Kingdom)

5. ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT

   Abstract:  1. The bycatch TAC of 12 tonnes of macrourids was reached in 2008/09 triggering the early closure of the fishery with only 58.9 t of the 75 t TAC of D. eleginoides taken; 2. The target tagging rate of 5 fish per tonne was exceeded by both vessels, with 344 D. eleginoides tagged and

   Meeting Document : WG-FSA-09/17 : Author(s): J. Roberts and D.J. Agnew (United Kingdom)

6. PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4

   Abstract:  1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 fishing season with the aims of providing the data required for assessments of the population structure, size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the

   Meeting Document : WG-FSA-09/18 : Author(s): J. Roberts and D.J. Agnew (United Kingdom)

7. STANDING STOCK, SPATIAL DISTRIBUTION, AND BIOLOGICAL FEATURES OF DEMERSAL FINFISH FROM THE 2009 U.S. AMLR BOTTOM TRAWL SURVEY OF THE SOUTH ORKNEY ISLANDS (SUBAREA 48.2)

   Abstract:  A random depth stratified bottom trawl survey of South Orkney Islands (CCAMLR Subarea 48.2) demersal finfish was completed during February-March, 2009 during the U.S. AMLR Program field season. Detailed information is presented for several of the most abundant demersal finfish species,

   Meeting Document : WG-FSA-09/19 : Author(s): C.D. Jones (USA) and K.-H. Kock (Germany)

8. UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS (DIVISION 58.5.2)

   Abstract:  The integrated assessment of Patagonian toothfish, Dissostichus eleginoides, for the Heard and McDonald Islands (Division 58.5.2) was updated by replacing catch-at-length proportions from commercial catches with catch-at-age proportions by applying age length keys (ALKs) to gear- type

   Meeting Document : WG-FSA-09/20 : Author(s): S.G. Candy and D.C. Welsford (Australia)

9. OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION

   Abstract:  Integrated assessments that use catch-at-age or abundance-at-age data for model calibration require an ageing error matrix as input in order to adequately account for uncertainty in the data resulting from the imprecision of age determination using annual ring counts from otoliths. This

   Meeting Document : WG-FSA-09/21 : Author(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)

10. COMPARISON OF THE PRECISION OF DIRECT VERSUS AGE LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS

    Abstract:  Catch-at-age proportions can be estimated directly using a simple random sample (SRS) of fish in the catch, determining the ages in the sample, and calculating proportions in each age class. This “direct” method can be replaced by the age length key (ALK) method if there are in addition

    Meeting Document : WG-FSA-09/22 Rev. 1 : Author(s): S.G. Candy (Australia)

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