Search results
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Preliminary report on invertebrate by-catch in research blocks 58.4.1, 58.4.2, 54.4.3a and 58.4.4b
published in 2013. Here we report on VME bycatch in research blocks 58.4.1, 58.4.2, 54.4.3a and 58.4.4b. We ... also compared gear types in terms of number of VME units collected. We suggest that taxonomic diversity ... invertebrate by-catch in research blocks 58.4.1, 58.4.2, 54.4.3a and 58.4.4b Approval: Approved Secretariat ...
Meeting Document : WG-FSA-18/51 : Author(s): M. Eléaume, C. Chazeau, A. Martin and J. Blettery
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Monitoring vessel traffic in the Ross Sea Region MPA
activities on Antarctic marine living resources (AMLR) in or transiting the area are encouraged to inform the ... in December 2017, the United States proposes for consideration by Members, options to ensure ... effective and efficient monitoring of vessel traffic in the MPA, as per CM 91-05, paragraph 24. Author(s ... ): Delegation of the USA Title: Monitoring vessel traffic in the Ross Sea Region MPA Microsoft Word File: e-cc ...
Meeting Document : CCAMLR-XXXVI/23 : Author(s): Delegation of the USA
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Some properties of diagnostics of GLMM model tuning for standardising CPUE indices in the Area 48 using the CCAMLR fishery statistics database
Abstract: The data of krill fishery in Subarea 48 for 1986 – 2008 presented to CAMLR database by ... Tweedie’s distribution satisfactorily describes the set of data collected in Subareas 48.1, 48.2 and 48.3 ... of krill hauls in the CAMLR database for 1986 – 2008. It was shown that extremely high CPUE values ... » outliers by different fleets (countries) in the Subareas 48.1-48.3 were analyzed. The procedures of CPUE ...
Meeting Document : WG-EMM-11/44 : Author(s): P. Gasyukov and S. Kasatkina (Russia)
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Evaluation of VME taxa classification by scientific observers from New Zealand vessels in the Ross Sea Antarctic toothfish longline fishery during the 2009/10 season
Abstract: Conservation Measure 22-07 (2008) requires vessels fishing in the Ross Sea (and most ... Observers from four vessels in the Ross Sea Antarctic toothfish longline fishery during the 2009-10 season ... for most groups, the observer classifications were reasonably precise (88% accuracy). Some problems in ... samples). In the Echinodermata group, brittle stars (a non-VME taxon) were sometimes recorded as snake ...
Meeting Document : TASO-10/10 : Author(s): D.M. Tracey, M.E. Carter and S.J. Parker (New Zealand)
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Historical data synthesis in the Southern Ocean: Priority data sets
Ocean. Historical data sets have a particular value in providing ‘baseline’ physical and biological data ... British Antarctic Survey, centred on the first comprehensive oceanographic research campaign in the ... best to make use of the resulting datasets and scientific outputs. ICED also sees great value in ... summaries of relevant data sets which we will collate in an open access document. This document should ...
Meeting Document : WG-EMM-13/19 : Author(s): N.M. Johnston, E.J. Murphy, J.R.D. Silk, C.M. Waluda, S.L. Hill and R.D. Cavanagh (United Kingdom) on behalf of the ICED Scientific Steering Committee
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ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA
, and haul) based on a state-space model, which can separate biological process error in the population ... dynamics from observation error caused by the fishery activity and individual observation. In both krill ... variability of krill population structure and a difficulty in predicting krill population dynamics. Variances ... enlarging haul coverage > 50% have smaller effects in improving data accuracy and may not balance the ...
Meeting Document : WG-EMM-11/39 : Author(s): T. Okuda and M. Kiyota (Japan)
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... , reached a peak in the period 1994–1996 at Bird Island and Signy Island has declined thereafter. The level ... of marine debris found in seabird colonies at Bird Island has continually increased, with fishing ... ) entanglement at Bird Island reached a peak in 1993 and showed a decline until 2000 since when there has been a ...
Meeting Document : SC-CAMLR-XXII/BG/25 : Author(s): Secretariat
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Sources of variance in studies of krill population genetics
Abstract: There is a long-term interest in the population genetics of Antarctic krill species ... resurgence of interest in identifying distinct stocks of swarming krill species has been driven by the ... structure. More recent investigations using sequence variation in mitochondrial DNA (mtDNA) did indicate ... variance attributable to differences between regions. Genetic differentiation between stocks of krill in ...
Meeting Document : WG-EMM-01/12 : Author(s): S.N. Jarman and S. Nicol (Australia)
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An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in January 1992
Abstract: Acoustic surveys designed to assess krill abundance are costly in time and money, so ... the opportunity was taken in 1992 to produce a krill biomass estimate as a by-product of a fish stock ... Georgia. The appearances of echoes on echo charts were used to decide which echoes to include in krill ... ) echoes from larger scatterers. The data in the krill-size subset has been converted to density estimates ...
Meeting Document : WG-EMM-96/42 : Author(s): Everson, I., Goss, C.
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Candidate baseline data for ecosystem indicators in the Ross Sea region. Part B: Discussion of the data
characterize the status of the marine ecosystem in the Ross Sea region. These baselines provide benchmarks from ... which to assess change and evaluate the performance of the MPA. Here, and in an accompanying working ... paper (SC-CAMLR-XXXVII/11), we suggest candidate baseline data for seven indicator species listed in the ... . crystallorophias), and larval and juvenile Antarctic silverfish (Pleuragramma antarcticum) in the RSRMPA; zone ...
Meeting Document : SC-CAMLR-XXXVII/BG/13 : Author(s): Delegation of the USA