Search results
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First increment validation of Patagonian toothfish (Dissostichus eleginoides) from Heard Island
represent annual events, no direct validation has been provided for the early growth of this species. In an ... attempt to determine the position of first increment formation daily increments in 7 sagittal otoliths ... the ventral side of the otolith section was 0.630mm. This is consistent with the measurements in ... one opaque and one translucent increment is formed each year on the sectioned face of sagittal ...
Meeting Document : WG-FSA-05/61 : Author(s): K. Krusic-Golub, C. Green and R. Williams (Australia)
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DATA QUALITY ASSESSMENT IN CCAMLR: REQUIREMENTS FOR MINIMUM INTEGRITY TESTING TO ENSURE THAT DATA ARE FIT FOR PURPOSE
confirmation of their validity. In the context of CCAMLR, data may undergo one set of quality testing in order ... important for prioritizing the work of the Secretariat in data quality assessment, and also in ensuring that ... Abstract: The level of data quality assessment and ‘certification’ as ‘fit for purpose’ depends ... users of CCAMLR data are fully aware of the integrity procedures that have been applied to the data ...
Meeting Document : WG-SAM-09/05 : Author(s): Secretariat
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2015-16 Research plan in Division 58.4.4 for Dissostichus spp.
estimated around 700 tonnes. CASAL model is updated with 2014 data but in the absence of an assessment using ... Abstract: Regarding the low levels of stocks of Dissostichus spp. and the high levels of IUU ... fishing, CCAMLR decided to close the fishery in 2002 in division 58.4.4. Since 2008 only one vessel ... 24-01. In 2014, WG-FSA agreed research fishing conducted in the research blocks C and D by two ...
Meeting Document : WG-SAM-15/52 : Author(s): Delegation of France
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30 years of krill fisheries management – challenges remain
concern since key spawning, recruitment and nursery areas of krill are located in the Southwest Atlantic ... sector, an area that has been warming rapidly, resulting in a reduction in the extent and duration of ... establishment of CM 51-07 – distributing the trigger limit among statistical subareas – was a step in the right ... frequently. The reproduction and survival of krill are significantly affected by sea ice cover. This is of ...
Meeting Document : CCAMLR-XXX/BG/19 : Author(s): Submitted by ASOC
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Risk assessment framework for subdividing the krill catch trigger level, including relevant background data and information
populations, in particular land-based predators, of being inadvertently or disproportionally affected by the ... krill fishery. It assesses the localised risk of such effects, according to the requirements in the ... by WG-FSA and the results of its deliberations are presented in its report. This background paper ... CM 51-07, which is due to lapse at the end of the 2015/16 fishing season, and presented its ...
Meeting Document : SC-CAMLR-XXXV/BG/37
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Operational interactions between cetaceans and the Patagonian toothfish (Dissostichus eleginoides) industrial fishery off Southern Chile
and 3 trunks were recovered. Mean rate of predation was 3% (± 2% CI 95%; n=180 sets) and ranged between ... ) for the whole fleet, with a mean loss per set of USD$138 (C.I. 95% USD$74,76- 249,3). Author(s): R. Hucke-Gaete ... recovered. Mean rate of predation was 3% (± 2% CI 95%; n=180 sets) and ranged between 0% and 100 ... , with a mean loss per set of USD$138 (C.I. 95% USD$74,76 - 249,3). ...
Meeting Document : WG-FSA-03/95 : Author(s): R. Hucke-Gaete, C.A. Moreno and J.A. Arata (Chile)
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Research program on Dissostichus spp. in Divisions 58.4.1 and 58.4.2 from 2019/20 to 2021/22
Abstract: The Scientific Committee considered the assessment of Dissostichus spp. in data-poor ... types for the implementation of a multi-Member research on Dissostichus spp. in East Antarctica ... efficiency and reliability. In the context of the discussion of the Scientific Committee (SC-CAMLR-XXXVII p ... ): Delegation of the Russian Federation Title: Research program on Dissostichus spp. in Divisions 58.4.1 and ...
Meeting Document : WG-SAM-2019/19 : Author(s): Delegation of the Russian Federation
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Proposal for multi-Member research on Dissostichus spp. in Divisions 58.4.1 and 58.4.2 from 2019/20 to 2021/22
Abstract: The Scientific Committee considered the assessment of Dissostichus spp. in data-poor ... types for the implementation of a multi-Member research on Dissostichus spp. in East Antarctica ... efficiency and reliability. In the context of the discussion of the Scientific Committee (SC-CAMLR-XXXVII p ... ): Delegation of the Russian Federation Title: Proposal for multi-Member research on Dissostichus spp. in ...
Meeting Document : WG-FSA-2019/52 : Author(s): Delegation of the Russian Federation
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Developing robust biomass estimates and advice on catch limits in research blocks
resulted in conflicting estimates of biomass between the CPUE by seabed area and the Chapman estimate. The ... . This uses local Chapman biomass estimates in the reference area instead of the stock biomass estimated ... Abstract: In 2016, changes to the methods used by CCAMLR to estimate biomass in research blocks ... that improves on the original CPUE by seabed area method for toothfish populations in research blocks ...
Meeting Document : WG-SAM-17/37 : Author(s): S.J. Parker, S. Mormede, A. Dunn, S.M. Hanchet and C. Marsh
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Histopathology of Antarctic krill, Euphausia superba, bearing black spots
superba, since January, 2001. To study the nature of the black spots, the krill were sampled in the winter ... of 2003, 2006, and 2007 in the South Georgia region, the Antarctic Ocean. Histological observations ... bacteria or amorphous material. In the 2007 samples, 42% of the krill had melanized nodules. Most of the ... Abstract: Small black spots have been noticed on the cephalothorax of Antarctic krill, Euphausia ...
Meeting Document : WG-EMM-08/P09 : Author(s): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu