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1. Report on fish by-catch on exploratory fishing in Divisions 58.4.1 and 58.4.2

   Abstract:  In this paper, we report on fish by-catch during exploratory fishing activities ... undertaken in Divisions 58.4.1 and 58.4.2 during the 2012 to 2018 seasons. Fish by-catch comprised 14 species ... or groups of species. In 2018, by-catch represented 12% of the total catch (43 tonnes over 307 tonnes ... of Dissostichus spp.) in Divisions 58.4.1 and 58.4.2. 98% of the biomass was represented by 2 ...

   Meeting Document : WG-FSA-18/28 : Author(s): C. Péron, P. Yates, D. Maschette, C. Chazeau, P. Ziegler, D. Welsford, N. Gasco and G. Duhamel

2. REPORT ON THE PRACTICALITIES OF THE EXISTING CCAMLR 5% BY-CATCH RULE AND THE 10% SMALL CHAMPSOCEPHALUS GUNNARI RULE IN STATISTICAL DIVISION 58.5.2 AND SUGGESTIONS FOR POSSIBLE IMPROVEMENTS

   Abstract:  This paper describes difficulties encountered in the application of the 5% by-catch ... conducted by Australian vessels. It was found that the by-catch rules were frequently triggered by negigible ... catches of listed by-catch species. Suggestions are given for amendments to the rules to improve their ... THE EXISTING CCAMLR 5% BY-CATCH RULE AND THE 10% SMALL CHAMPSOCEPHALUS GUNNARI RULE IN STATISTICAL ...

   Meeting Document : CCAMLR-XVI/12 : Author(s): Delegation of Australia

3. Estimating by-catch from CCAMLR data

   Abstract:  Quantifying the catch rates and biomass of by-catch species on CCAMLR’s fishing grounds ... is an essential component of the assessment advice prepared by WG-FSA. However, such analyses are ... method to treat ‘missing catch values’ using estimates derived from the mean weights of by-catch species ... by fishing gear, region and period is outlined. This method would improve the consistency of the ...

   Meeting Document : WG-FSA-SAM-05/4 : Author(s): Secretariat

4. Seabird by-catch and bait loss in longlining using different setting methods

   lines set without using such devices. Accidental catches of birds were reduced by both methods, most ... effectively by the sea-bird scarer. Losses of mackerel bait were also significantly reduced by using the ... scarer, but not by using the setting funnel. No increase in the catches of target species was ... demonstrated by using either of the setting methods. However, bait loss caused by sea birds was regarded as a ...

   Meeting Document : WG-FSA-96/06 : Author(s): Løkkeborg, S.

5. Review of the technical recommendations for the Patagonian toothfish fishery in order to minimize by-catch

   recommendations in order to minimize fish by-catch of fish that are not targeted by the fishery campaign of 2011 ... -2012. The technical recommendations set by the authority were updated by taking this advice into ... order to reduce the fish by-catch during the next campaign. The allotment of quotas to the fishing ... together socio-economic aspects and fishery history, steps implemented by each vessel to minimize avian ...

   Meeting Document : SC-CAMLR-XXX/BG/10 : Author(s): Delegation of France

6. Mitigation of Macrourus by-catch in research block 58.4.1_6 and estimation of Macrourus biomass and sustainable catch in Divisions 58.4.1 and 58.4.2

   Abstract:  Macrourus spp. are the major by-catch species in the exploratory toothfish fishery in ... ) avoidance, ii) mitigation and iii) the setting of sustainable by-catch limits if mortality is not ... with high Macrourus spp. by-catch rates in depths between 750 m and 1150 m. To mitigate Macrourus spp ... . by-catch in future fishing seasons, we propose to either (1) modify the research grid such that the ...

   Meeting Document : WG-FSA-17/23 : Author(s): D. Maschette, P. Burch, P. Yates and P. Ziegler

7. Spatial pattern of major by-catch fishes at Division 58.4.4b during 2012/13–2016/17

   Abstract:  This paper represents the by-catch analysis results of a multi-Member longline survey ... on Patagonian toothfish (Dissostichus eleginoides) at Division 58.4.4b by France and Japan. The data ... set, C2 and scientific observer data, was provided by the CCAMLR Secretariat on the 3th August, 2018 ... (Antimora rostrata), GRV (Macrourus spp.), and RFA (Raja taaf) are common by-catch species, which are caught ...

   Meeting Document : WG-FSA-18/68 : Author(s): Delegations of Japan and France

8. Genetic identification of fish caught as by-catch in the Antarctic krill fishery and comparison with observer records

   48.1, 48.2 and 48.3) were identified by DNA barcoding and results compared with morphological ... identifications made on vessels by scientific observers. A total of 344 fish (primarily in the families ... provided by observers were good for the common species Champsocephalus gunnari and Lepidonotothen larseni ... Chaenodraco wilsoni icefish (n=67) identified by an observer were actually Chionodraco rastrospinosus based on ...

   Meeting Document : WG-EMM-18/30 : Author(s): A. Polanowski, J. Clark, D. Maschette, D. Welsford and B. Deagle

9. By-catch observation during krill fishing cruise (48.1, 48.2 Statistical Subareas, 2011)

   Abstract:  359 Antarctic krill catches were analysed for by-catch, it took 48.5% of observed ... catches and 31.3% of total catches. Fish by-catches were usual in the sector 48.1 (89.1% of cases); the ... most of by-caught fishes belonged to families Nototheniidae (NOX) (66.3%). Fish by-catches in the ... (LXX).   Author(s):  K. Vyshniakova (Ukraine) Title:  By-catch observation during krill fishing cruise ...

   Meeting Document : WG-FSA-11/41 : Author(s): K. Vyshniakova (Ukraine)

10. DEVELOPING FOUR PLAUSIBLE PARAMETERISATIONS OF FOOSA (A SO-CALLED REFERENCE SET OF PARAMETERISATIONS) BY CONDITIONING THE MODEL ON A CALENDAR OF EVENTS THAT DESCRIBES CHANGES IN THE ABUNDANCES OF KRILL AND THEIR PREDATORS IN THE SCOTIA SEA

    with the agreed calendar, as specified by the WG-SAM, that describes changes in the abundances of krill ... information in the literature and following specifications laid out by the WG-SAM. These base ... winter of life. The dynamics predicted by our base parameterizations were loosely consistent with the ... direction and timing of changes in predator abundance specified by the numerical calendar from Hill et al ...

    Meeting Document : WG-EMM-08/13 : Author(s): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)

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