Search results
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Characteristics of oceanic structure in the waters around the South Shetland Islands of the Antarctic ocean between December 1990 and February 1991: outstanding coastal upwelling?
Surface Water over the insular shelf at the first leg entirely indicated the minus values of temperature ... Abstract: The sixth Antarctic survey cruise of R/V Kaiyo Maru was carried out in waters around ... the Shouth Shetland Islands. where are known as the fishing grounds of krill, during the 1990-91 ... into operation In the same area after an interval of 40 days. The more characteristic change was ...
Meeting Document : WG-KRILL-92/24 : Author(s): M. Naganobu, T. Katayama, T. Ichii, H. Ishii and K. Nasu (Japan)
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Preliminary report of outcomes of the 2nd international workshop on the ICED Southern Ocean Sentinel, held in Hobart Australia 7–11 May 2012
Abstract: The 2nd international workshop on the ICED Southern Ocean Sentinel was held at CCAMLR ... those ecosystems. As part of ICED and contributing to Theme 6 Biology of the Southern Ocean Observing ... System, this program of work will build on the work of the CCAMLR Ecosystem Monitoring Program, GLOBEC ... and other international programs. It is recommended that the Scientific Committee of CCAMLR become ...
Meeting Document : WG-EMM-12/59 : Author(s): A. Constable (Australia)
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
the literature are used to show that for some years, at distances of between 20 and 60 km from ... Abstract: Zones of 20 km width are defined around selected colonies of penguins distributed ... around the coasts of the South Shetland and South Orkney Islands. Krill catches in these zones are shown ... , probably as a result of more variable hydrographic conditions. About 50% of the catch in Subarea 48.1 from ...
Meeting Document : WG-KRILL-92/19 : Author(s): D.J. Agnew (Secretariat)
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Selectivity of standard polish commercial trawl codends on Antarctic fishing grounds
solution to the problem of ensuring selectivity of codends at a sufficiently good level seems possible as a ... = 100 mm, made of double twines with a thickness of 4.2 mm. The studies covered 6 major fish species. 1 ... during trawling, although the effectiveness of this process- especially in the latter case- is not ... tendency to pass through meshes of the codend than Antarctic icefish and bumphead notothenia. 3. The ...
Meeting Document : SC-CAMLR-VII/BG/11 : Author(s): J. Zaucha (Poland)
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Field identification guide to the main fishes caught in the Ross Sea longline fishery
longline boats fishing in the Ross Sea was prepared under the New Zealand Ministry of Fisheries Project ... ANT2005-02 and was used by Ministry of Fisheries observers and fishers during the 2006–07 season. That ... (eelpouts) and bathydraconids (dragonfishes) identification is at family level and for Muraenolepis (eel ... fishes is difficult because of uncertain taxonomic status, e.g., Pogonophryne, or scarcity of field ...
Meeting Document : WG-FSA-07/41 : Author(s): P.J. McMillan, P. Marriott, S.M. Hanchet, J.M. Fenaughty, E. Mackay and H. Sui (New Zealand)
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REFERENCE OBSERVATIONS FOR VALIDATING AND TUNING OPERATING MODELS FOR KRILL FISHERY MANAGEMENT IN AREA 48
Abstract: In 2007 WG-SAM defined a set of reference observations for validating and tuning ... reference points for the density of krill, and the abundance of “generic” seals, penguins and whales in 1970 ... , 2007 and at least one intermediate year. Recent work on baleen whales indicates a higher growth rate ... . The numerical calendar is a partly subjective interpretation of limited data and should not be ...
Meeting Document : WG-EMM-08/10 : Author(s): S. Hill (United Kingdom), J. Hinke (USA), É. Plagányi (South Africa) and G. Watters (USA)
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New Antarctic deep-sea weird leech (Hirudinida: Piscicolidae): morphological features and phylogenetic relationships
parasite of Whitson’s grenadier Macrourus whitsoni (Regan) (Macrouridae: Gadiformes) collected in the Ross ... Sea at depths from 1,221 to 1,433 m, is described and compared with related taxa based on ... tubercles on the venter and dorsal segmental tubercles, an uncommon appearance of its anterior sucker with ... combination of features of the reproductive and digestive systems. The presence of uncommon tubercles can be ...
Meeting Document : WG-FSA-18/P01 : Author(s): A. Utevsky and S. Utevsky
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PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4
with discard weights at 19% and 0.8% of toothfish catches, respectively. These rates are similar to ... Abstract: 1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ...
Meeting Document : WG-FSA-09/18 : Author(s): J. Roberts and D.J. Agnew (United Kingdom)
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2001/02
Abstract: During the twelfth year of standardised beach surveys of man-made debris at Bird Island ... , South Georgia, a total of 193 items was collected, 140 during summer and 53 during winter. This ... represents a 33 % decrease on the total of 290 items recorded in 2000/01 and the lowest level of summer beach ... year. The 2001/02 season was characterised by a dramatic decrease in the proportion of nylon line ...
Meeting Document : SC-CAMLR-XXII/BG/10 : Author(s): Delegation of the United Kingdom
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Statistical problems in krill stock hydroacoustic assessments
Abstract: Two primary issues are at question for hydroacoustic assessments of krill, The first is ... accuracy of target-strength measurements. In the case of statistical methods, there are no clear guidelines ... techniques. However, this does not invalidate the use of available methods to conduct surveys and analyze ... results. In the case of target-strength accuracy, even if the present values were very accurate, the issue ...
Meeting Document : SC-CAMLR-VII/BG/22 : Author(s): United States of America