Search results
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Hydrography and acoustic biomass estimates of Antarctic krill (Euphausia superba) near the South Shetland Islands, Antarctica, during January 2000: preliminary results
Abstract: To estimate the abundance and distribution of Antarctic krill (Euphausia superba) in ... development. In addition, Conductivity, Temperature and Depth (CTD) and on-station Acoustic Doppler Current ... presence of ‘Winter Water’ in mid layer and Circumpolar Deep Water at greater depths. Offshore water and ... density and CV in the Bransfield strait was 9 g/m2 and 20.3 %. Krill swarms of relatively high densities ...
Meeting Document : WG-EMM-00/52 : Author(s): D. Kang, Y. Lee, H.-C. Shin, W. Lee and S. Kim (Republic of Korea)
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Classification of Southern Ocean krill and icefish echoes using Random Forests
echograms and analysis of differences in mean volume backscattering strengths (S V; dB re 1 m-1) measured at ... Georgia, South Atlantic, one species in particular, mackerel icefish, Champsocephalus gunnari, forms ... (S V 38) was also important. The random forest classification resulted in significantly higher ... target identification, and could facilitate the inclusion of acoustic data in the assessment of mackerel ...
Meeting Document : WG-EMM-16/23 : Author(s): N. Fallon, S. Fielding and P. Fernandes
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Review of CCAMLR translation requirements – accompanying document to CCAMLR-XXIX/8 (Previously CCAMLR-XXVIII/10 Rev. 1)
the 2001–2008 period. Note is taken of the growing translation demand in terms of the number of pages ... requiring translation annually and the increase in translation complexity. Trends in Secretariat translation ... by Members in considering how translation service delivery and standing may be sustained into the ... Papers and the Secretariat’s Translation Capacity. Focus is given to prevailing circumstances in 2008 as ...
Meeting Document : CCAMLR-XXIX/BG/06 : Author(s): Secretariat
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Comparison of census methods for black-browed albatrosses breeding at the Ildefonso Archipelago, Chile
various census methods, the population was censused in the 2002/03 breeding season using a) ground-truthed ... -distance sampling by 9%. Ground-truthed air photography revealed that in the 2002/03 breeding season 47,000 ... -browed albatrosses in the world. Author(s): G. Robertson, K. Lawton (Australia), C.A. Moreno (Chile), R ...
Meeting Document : WG-FSA-06/12 : Author(s): G. Robertson, K. Lawton (Australia), C.A. Moreno (Chile), R. Kirkwood (Australia) and J. Valencia (Chile)
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Seabird abundance and by-catch on Brazilian longline fishing fleet
and abundant species all around the year. Other species with significant numbers found in both warm ... (Puffinus gravis). Abundant species in winter were Black-browed Albatross (Thalassarche melanophris), White ... , Yellow-nosed Albatross, and Spectacled Petrel. Strong overlap between longline fishery and seabirds in ...
Meeting Document : WG-FSA-05/67 : Author(s): T.S. Neves, L. Bugoni, D.S. Monteiro, L. Nascimento and F. Peppes (Brazil)
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Modelling availability bias using existing time series count data: Adélie penguins as a case study
sites in Antarctica during the breeding season are influenced by the date at which they are undertaken ... the availability fraction at times other than the date of last egg lay. Differences in the ... in the availability fraction is much higher prior to late November and after early January than ...
Meeting Document : WG-EMM-04/54 : Author(s): L. Emmerson, B. Raymond and C. Southwell (Australia)
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Age-at-length of Patagonian toothfish from South Georgia
Abstract: To provide an age-length key for use in modelling the age structure of the Patagonian ... toothfish (Dissostichus eleginoides) captured in the longline fishery. We used a thin section grinding ... fisheries survey in 2000, estimates of the Von Bertalanffy parameters were L8 = 123.8, K = 0.10 and t0 =-2.1 ...
Meeting Document : WG-FSA-02/75 : Author(s): J. Ashford, M. Belchier, C. Jones and S. Bobko
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A risk management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
Abstract: CCAMLR adopted a new conservation measure in 2007 (CM 22-06) to ensure that significant ... then analysed and evaluated using standard techniques. Different types of evidence of VMEs in the ... CCAMLR Area are used in the risk analysis. Risk mitigation can then be used to reduce risk to acceptable ...
Meeting Document : WG-EMM-08/37 : Author(s): K. Martin-Smith (Australia)
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INITIATIVE TO EXTEND THE BOUNDARY OF THE INTERNATIONAL MARITIME ORGANIZATION’S ANTARCTIC SPECIAL AREA NORTHWARD TO THE ANTARCTIC CONVERGENCE
(garbage). Recognizing CCAMLR’s and the Antarctic Treaty’s respective interests in protecting the marine ... Parties in enhancing environmental protection for the entire Antarctic marine ecosystem and directing the ... particularly helpful in deliberations on whether to recommend that further steps be taken at the IMO. Author(s ...
Meeting Document : CCAMLR-XXVIII/32 : Author(s): Delegation of the USA
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Seabird interactions with long-lining operations during an exploratory fishing cruise for Dissostichus eleginoides to South Sandwich Islands, Antarctica
in daylight hours. Several species of seabirds present must have originated from South Georgia ... populations; however wandering and gray-headed albatrosses, whose populations arc in serious decline at South ... Georgia were rare; their vulnerability to long- lining operations in the South Sandwich Islands is ...
Meeting Document : SC-CAMLR-XII/BG/08 Rev. 1 : Author(s): Delegations of United Kingdom and Chile