Resultados de la búsqueda
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A Comparison Between Age Determinations of the Antarctic Fish Notothenia gibberifrons Lönnberg Using Scales and Otoliths
Abstract: Scales and otoliths were collected from 304 specimens of the Antarctic fish Notothenia ... gibberifrons. When interpreted separately, only 25% of scale and otolith readings agreed. When a scale and ... otolith from a single simultaneously, 75% of readings agreed. of otolith readings changed between specimen ... were interpreted 60% of scale readings and 30% separate and simultaneous interpretations. Estimates of ...
Meeting Document : WG-FSA-89/13 : Autor(es): R. Coggan (United Kingdom), K. Skora (Poland), A. Murray and M. White (United Kingdom)
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Potential climate change effects on the habitat of Antarctic krill
summer foraging sites of many of these predators are concentrated between 0° and 90°W. Parts of this ... sector have experienced recent localised sea surface warming of up to 0.2°C per decade, and ... projections suggest that further widespread warming of 0.27° to 1.08°C will occur by the late 21st century. We ... assess the influence of projected warming on Antarctic krill habitat quality. The results divide the ...
Meeting Document : WG-EMM-13/20 : Autor(es): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2013 random stratified trawl survey
vicinity of Heard Island during April 2013. This paper provides a preliminary assessment of mackerel ... icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79° 20’ E ... using standard CCAMLR methods. A large cohort of fish, estimated to be 3+, dominates the population in ... both abundance and biomass. Two scenarios for harvest are presented – a typical two year projection of ...
Meeting Document : WG-FSA-13/23 : Autor(es): D.C. Welsford (Australia)
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Committee for Environmental Protection: 2015 Annual Report to the Scientific Committee of CCAMLR
Abstract: Cooperation between the Scientific Committee of CCAMLR (SC-CAMLR) and the Committee for ... Environmental Protection (CEP) has been steadily increasing over the last few years to the mutual benefit of ... between the Chairs of the CEP and SC-CAMLR, the report of the CEP meeting is presented to SC-CAMLR by the ... CEP Observer to SC-CAMLR and the report of the meeting of SC-CAMLR is presented to the CEP by the SC ...
Meeting Document : SC-CAMLR-XXXIV/BG/14 : Autor(es): CEP Observer to SC-CAMLR (Dr P. Penhale, USA)
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Metabarcoding analysis of zooplankton collected from Division 58.4.1 in 2014/15 using NGS platform
biodiversity of zooplankton in the Indian Ocean of Antarctica, Division 58.4.1 in 2014/15. Compared with the ... previous method, next generation sequencing (NGS) using Miseq platform produces the large amount of ... large-sized (>1 mm) and small-sized (< 1mm) fractions, respectively. Based on the low numbers of ... only if additional barcode data of small-sized zooplankton or those with soft tissue are supplemented ...
Meeting Document : WG-EMM-16/33 : Autor(es): Delegation of the Republic of Korea
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Integrated analysis of the by-catch data in the Ross Sea toothfish fishery
Abstract: The indices of exploratory toothfish fishery in the Ross Sea for the period of 2008 ... hooks) and normalized target catch ratio. There was evidence of distinct differences in the mean (and ... the flag States, should be considered as the primary cause of the observed variability in the ... target catch ratio in the Ross Sea. The observed influence of the longline gear types (Autoline ...
Meeting Document : WG-FSA-16/13 Rev. 1 : Autor(es): S. Kasatkina
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Analysis of the longline fishery data in the Ross Sea (SSRUs 881B, C and G)
Abstract: The analysis of the toothfish fishery data in the northern part of the Ross Sea (SSRU ... -2015. The variability of catch per haul (kg) and CPUE (kg/1000 hooks) depending on the hauling ... possible presence of number of high CPUE and catches, which are outside the upper limit of confidence ... interval of 99,7% CI. These CPUE and catch values are statistically unreliable and questionable high with ...
Meeting Document : WG-FSA-16/14 : Autor(es): S. Kasatkina
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Independent reviews of CCAMLR stock assessments – a discussion paper
process to facilitate independent reviews of CCAMLR stock assessments (CCAMLR-XXXII, paragraph 5.14). We ... the Commission could complement the efforts of the Scientific Committee by noting the need for action ... on this topic and supporting the Scientific Committee in their development of a procedure ... as a mechanism for transparency of the stock assessment process, particularly if reports of such ...
Meeting Document : SC-CAMLR-XXXV/BG/20 : Autor(es): Delegation of the USA
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New Zealand submission for the trial of the CCAMLR observer training program accreditation scheme
presented in SC-CAMLR-XXX/08, and invited Members to participate in a trial of the initial review and ... technical peer review. These are described in Parts a–c of the proposed procedure for a CCAMLR observer ... -hoc TASO noted that in order to receive high-quality data from the CCAMLR Scheme of International ... consistent set of standards. In an effort to achieve this, the Scientific Committee began development of a ...
Meeting Document : WG-FSA-17/41 : Autor(es): A. Dunn, D. Kerrigan and A. McNabb
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Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4
Abstract: The stock of Antarctic toothfish (D. mawsoni) in CCAMLR subarea 48.4 is estimated from ... tagging returns to be 982 tonnes in 2018. Applying the CCAMLR agreed precautionary assumption of average ... biomass across the time series and harvest rate of γ = 0.038, implies a 2018/19 yield of 37 tonnes ... the 48.4 Antarctic toothfish as a separate stock. Based on the biological characteristics of the ...
Meeting Document : WG-FSA-18/26 : Autor(es): T. Earl and A. Riley