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1. Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 based on the 2017 groundfish survey

   Abstract:  A stratified bootstrap of icefish catch density based on the UK 2017 demersal fish ... survey catch rate data indicated a biomass of 91 531 tonnes (lower one sided 5th percentile: 47 424 ... CCAMLR harvest control rule lead to catch limits (TAC) of 4 733 tonnes for 2017/18 and 3 269 tonnes for ...

   Meeting Document : WG-FSA-17/47 : Autor(es): T. Earl

2. PRELIMINARY RESULTS OF TRIALS TESTING MODIFIED LONGLINE GEAR ‘TROTLINES’ IN PRESENCE OF CETACEANS IN SUBAREA 48.3

   Abstract:  1. Paired trials were undertaken to compare toothfish catch rates and by-catch ... potential of this gear to reduce cetacean depredation. 3. By-catch to catch ratio was greater by number for ...

   Meeting Document : WG-FSA-08/44 : Autor(es): R.E. Mitchell, J. Clark, P. Reyes, L. Jones, J. Pearce, C.E. Edwards and D. Agnew (UK)

3. Results of trials undertaken around Crozet Island using pots to target Patagonian toothfish

   . The catch rate of Patagonian toothfish with pot was lower than when using longline but direct ... in fishing efficiency and in their by catch. Crab by-catch was identified as a major issue which ... into consideration before planning to implement such fishery. Bird by-catch and depredation was ...

   Meeting Document : WG-FSA-10/10 : Autor(es): N. Gasco, P. Tixier and C. Guinet (France)

4. Analyses of illegal, unreported and unregulated (IUU) fishing activities in Divisions 58.4.1 during the 2013/14 season and 58.4.3b during the 2014/15 season

   Abstract:  Following Operation Sparrow 2, WG-FSA-17 noted the unprecedented availability of catch ... data from four IUU vessels including reported removals, video footage, and catch in gillnets recovered ... spatio-temporal distributions of catch and effort by the Chang Bai, Nihewan and Jiangfeng in Division ... 58.4.1E and caught a total of 792 tonnes of toothfish. Daily catch rates were similar between IUU and ...

   Meeting Document : WG-FSA-18/60 : Autor(es): Delegation of Australia and CCAMLR Secretariat

5. Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 – Based on the 2019 Groundfish Survey

   Abstract:  A stratified bootstrap of icefish catch density based on the UK 2019 demersal fish ... survey catch rate data indicated a biomass of 53,124 tonnes (lower one sided 5th percentile: 32,399 ... CCAMLR harvest control rule lead to catch limits (TAC) of 3,225 tonnes for 2019/20 and 2,132 tonnes for ...

   Meeting Document : WG-FSA-2019/30 : Autor(es): T. Earl

6. Estimation of the fishery–krill–predator overlap

   by CCAMLR (catch in the Critical Period and Distance [CPD], Agnew-Phegan index, and Realised ... distributions. Only catch in the CPD can presently be used to estimate overlap in areas other than Subarea 48.1 ... . The catch in the CPD and the Agnew-Phegan index were closely correlated, as were the RPO and Schroeder ... the level of overlap in recent years (1995-98) than estimated with either the catch in the CPD or the ...

   Meeting Document : WG-EMM-99/11 : Autor(es): Secretariat

7. Results of krill fishery in Subarea 48.2 in the 2009 season based on data of the Russian vessel Maxim Starostin

   out during 71 fishing days. Mean catch per hour trawling is 5,6 t/h. Data on daily catch, catch per ...

   Meeting Document : WG-EMM-10/08 : Autor(es): S.Yu. Gulyugin, V.E. Polonskiy and S.M. Kasatkina (Russia)

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

   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 ... management procedures that are candidates for allocating the precautionary krill catch among SSMUs. Author(s ...

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

9. Using effective sample sizes to evaluate the efficiency of length samples collected by at-sea observers in the krill fishery in Subarea 48.1

   Abstract:  Catch at length is an important input into any stock assessment. Consequently ... , collecting length data from the catch is a task undertaken by all at sea observes in CCAMLR fisheries ... ). We used C1 effort, catch and observer data from Subarea 48.1, collected between 2010 and 2015, to ... of hauls to allow better estimates of catch at length. Author(s):  N. Kelly, S. Kawaguchi, P. Ziegler ...

   Meeting Document : WG-SAM-16/39 : Autor(es): N. Kelly, S. Kawaguchi, P. Ziegler and D. Welsford

10. Spatial aggregation of harvesting in Subarea 48.1, in particular during the summer and close to the coast

    Abstract:  We explore CCAMLR Catch and Effort data from the fishery for Antarctic krill for the ... associated level of catch has increased in Subarea 48.1 during the penguin breeding season. We explore in ... fishing aggregation comprised 3 periods of harvesting; catch rates per hour showed evidence of decline at ... was closed having reached the Subarea trigger allocation. Though the collective catch comprised 27% of ...

    Meeting Document : WG-EMM-16/17 : Autor(es): P. Trathan and S. Hill

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