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  1. A RISK MANAGEMENT FRAMEWORK FOR AVOIDING SIGNIFICANT ADVERSE IMPACTS OF BOTTOM FISHING GEAR ON VULNERABLE MARINE ECOSYSTEMS

    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 presence and the consequences of interaction ... with different types of gear, a risk management framework is proposed, similar to that which has been ... used successfully by IMAF to minimise the effects of longline fishing mortality on seabirds. The aim of ...

    Meeting Document : WG-FSA-08/64 : Автор(ы): K. Martin-Smith (Australia)

  2. Report on incidental bird mortality and effectiveness of mitigation measures during demersal long lining by Ihn Sung 66 in Subarea 48.3 - December 1993 to February 1994

    Abstract:  A method of surveying incidental mortality of seabirds during longlining operations and ... the effectiveness of mitigation measures is described. An alternative design of streamer line for use ... with the 'Spanish' method of longlining (separate hauling and fishing lines) is described ... . The results of observations of incidental mortality of seabirds made during the fishing operations of ...

    Meeting Document : WG-IMALF-94/14 : Автор(ы): C. Jones and G. Parkes (United Kingdom)

  3. Fatty acid analysis to infer diet of Antarctic toothfish caught in February 2012 in the southern Ross Sea

    south of SSRUs 881.J and 881.L in the southern Ross Sea, their lipid composition was determined and ... compared tolipid profiles of fish and invertebrate species taken as bycatch in the fishery or collected ... from stomachs of toothfish. Stable carbon and nitrogen isotope ratios were also determined to further ... identify feeding relationships between these species. The aim of this study was to establish the ...

    Meeting Document : WG-FSA-12/61 : Автор(ы): I. Yeon, H.-S. Jo, C. Lim (Republic of Korea), S.M. Hanchet (New Zealand), D.-W. Lee and C.-K. Kang (Republic of Korea)

  4. Estimating fishing gear selectivity for trawlers using length-frequency data from concurrent commercial trawl and longline fishing for Patagonian toothfish in Division 58.5.2 and the ratio of their hazard functions

    Abstract:  The upper-arm of the length-dependent fishing selectivity function for trawlers fishing ... for Patagonian toothfish around Heard Island (Division 58.5.2) was modelled as the exponential of a ... from commercial operations of each of trawlers and longliners fishing concurrently for 3 seasons ... assuming that, for the upper range of lengths, fish are fully selected by longliners but not by trawlers ...

    Meeting Document : WG-FSA-06/35 : Автор(ы): S.G. Candy (Australia)

  5. Fish Heaven: a Monte Carlo, spatially explicit single species fishery model for the testing of parameter estimation methods

    basic features of standard fish modeling with a number of optional extras. It was designed within an ... object oriented framework to allow for the possible extension in a number of directions. In particular it ... was designed with the view of testing the efficacy of different statistical sampling regimes given ... various plausible spatial structures of fish stock. The model has a simple age and space structured ...

    Meeting Document : WG-FSA-00/36 : Автор(ы): I. Ball and A. Constable (Australia)

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

    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 presence and the consequences of interaction ... with different types of gear, a risk management framework is proposed, similar to that which has been ... used successfully by IMAF to minimise the effects of longline fishing mortality on seabirds. The aim of ...

    Meeting Document : WG-EMM-08/37 : Автор(ы): K. Martin-Smith (Australia)

  7. On acceptable scattering of longlines geo-referencing in the toothfish fishery in the CAMLR Convention Area

    Abstract:  The issues of longlines geo-referencing during the exploratory fisheries of the ... toothfish in the Convention Area are discussed. Cases of differences in the coordinates of settings and ... haulings are considered. The estimation of the maximum possible variation of the coordinates in the depths ... range of 550-3000 m was performed. It is shown that the differences of coordinates of settings and ...

    Meeting Document : WG-SAM-2019/22 : Автор(ы): O. Krasnoborodko

  8. An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort

    this new method are similar to those of the Agnew and Kirkwood (2005) method, and this suggests that ... the current method is adequate under circumstances of low evasion and when good knowledge exists that ... zero observations reflect zero illegal fishing. The new method performs better in the case of zero ... detections and can potentially better handle the evasion of detection by illegal activity. Both the new and ...

    Meeting Document : WG-FSA-05/P7 : Автор(ы): Ball, I.

  9. An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort

    is adequate under circumstances of low evasion and for when good knowledge exists that zero ... observations reflects zero illegal fishing. The new method performs better in the case of zero detections and ... can potentially better handle the evasion of detection by illegal activity. Both the new and the ... current method suffer from the type of observations method used, which directly affects the system. This ...

    Meeting Document : WG-FSA-04/63 : Автор(ы): I. Ball (Australia)

  10. Report of the Workshop for the International Coordinated Survey in conjunction with CCAMLR-2000 Survey

    Abstract:  Vessels from Japan, Republic of Korea, Peru and the USA had participated in the conduct ... of five acoustic/oceanographic surveys from late December 1999 and to early March 2000 in conjunction ... %), 39.5 g m-2 (CV 15.2 %) and 43.0 g m-2 (CV 14.1 %) over a nine-week period. Maps of biomass density for ... each of the surveys are presented, and examination of these maps suggests three consistent area of high ...

    Meeting Document : WG-EMM-01/68 : Автор(ы): Delegations of Japan, Rep. of Korea, USA and Peru

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