Resultados de la búsqueda
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OPTIMISING THE DESIGN OF LARGE-SCALE GROUND SURVEYS OF ADÉLIE PENGUIN ABUNDANCE USING VIRTUAL SIMULATION IN A GEOGRAPHIC INFORMATION SYSTEM
Abstract: One of the recommendations for future work from the 2008 Predator Survey Workshop was ... ‘....that alternative census methods for large (penguin) colonies may be helpful. Such methods include the ... use of satellite imagery and the use of GPS receivers to accurately map colony areas from which ... virtual simulation in a GIS environment to explore how the recommended area/density approach can be ...
Meeting Document : WG-EMM-11/42 : Autor(es): C. Southwell, R. Driessen and S. Candy (Australia)
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REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)
gillnets as a fishing method to target toothfish in the Convention area. Estimating the impact of IUU ... fishing is hampered by a lack of data on the design, deployment, catch and bycatch rates of gill nets ... (Statistical Division 58.4.3b), and the toothfish and bycatch found when a section of the gillnet was retrieved ... . Based on the amount of toothfish found in the 8 km long section of net retrieved, upwards of 29 tonnes ...
Meeting Document : CCAMLR-XXVIII/BG/22 : Autor(es): Delegation of Australia
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POTENTIAL REQUIREMENTS FOR SCIENTIFIC DATA FROM THE KRILL FISHERY
Abstract: CCAMLR has agreed that there is a requirement for systematic observation from the krill ... vessels. The number of observer days as a proportion of the number of days fished varied between c10 ... % (Subareas 48.1 and 48.2) and c30% (in Subarea 48.3). 13 of the 16 vessels that have fished for krill in 48.3 ... existing observer data submitted to the Secretariat indicates that measuring 200 krill from 5 hauls should ...
Meeting Document : WG-EMM-08/45 : Autor(es): Secretariat
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Status of the krill stock around Elephant Island in 1991/92 and 1992/93
Abstract: Krill stock composition and distribution patterns in the vicinity of Elephant Island ... . The general distribution of krill length and maturity classes conformed to previous descriptions and ... appears to be a recurring and predictable aspect of the krill stocks in the Antarctic Peninsula region ... . The length frequency distributions and maturity stage composition reflected relatively good year class ...
Meeting Document : WG-KRILL-93/08 : Autor(es): V. Loeb (USA) and V. Siegel (Germany)
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Recent population estimates and trends in numbers of albatrosses and giant petrels breeding at the sub-Antarctic Prince Edward Islands
Abstract: The second mid-summer survey of surface-nesting seabirds at the Prince Edward Island ... group (Marion and Prince Edward islands) was conducted during December 2008, seven years after the ... have remained stable, whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 ... (3% per year). The estimate of Indian yellow-nosed albatrosses T. carteri at Prince Edward Island was ...
Meeting Document : WG-EMM-10/P04 : Autor(es): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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Manual: estimating the age of Patagonian toothfish (Dissostichus eleginoides) using transverse cross-sections of otoliths
Abstract: At the 2000 Fish Stock Assessment Working Group Meeting (WG-FSA-2000), differences were ... noted in the growth parameters being used for assessments of toothfish. To assess whether these ... nations participated in a Workshop in 2001 at Old Dominion Unversity with the primary aim of seeking ... conformity in estimating age of Patagonian toothfish (Dissostichus eleginoides). Arising from the workshop ...
Meeting Document : WG-FSA-10/15 : Autor(es): K. Underkoffler, N. Ramanna and J. Ashford (USA)
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Pop-off Satellite Tagging in the Ross Sea Region in 2016
Abstract: In 2016, the USA and New Zealand began a collaborative initiative to describe Antarctic ... toothfish (Dissosticus mawsoni) movement and habitat preferences in the Ross Sea (Subarea 88.1) using pop ... -off satellite archival tags (PSAT) tags. Fish were tagged as part of research longline efforts in the ... southern shelf and northern seamount regions. A total of 10 PSAT tags of two tag types were released on the ...
Meeting Document : WG-FSA-16/57 : Autor(es): C.D. Jones, S.J. Parker, A. Dunn, D. Di Blasi and D. Stevens
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Size selectivity of the RMT8 plankton net and a commercial trawl for Antarctic krill
Abstract: Net selection of the scientific RMT8 plankton net and a commercial sized pelagic trawl ... underrepresented in the RMT8. For the commercial trawl with a liner mesh size of 12mm the length classes smaller 35 ... and 45 mm are undersampled, probably depending on the size composition of the catch. A preliminary ... catch per haul. Author(s): V. Siegel (Germany) Title: Size selectivity of the RMT8 plankton net and a ...
Meeting Document : WG-EMM-07/28 : Autor(es): V. Siegel (Germany)
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A guide to identification of fishes caught along with the Antarctic krill
Abstract: A field key to early life stages of Antarctic fish caught along with the Antarctic ... krill is produced. The key includes 8 families and 28 species mainly from the Atlantic sector of the ... , however, it is impossible to discriminate among species of the same family by remarkable characters. A ... species key is not shown for such resemble species and a brief summary of the main morphological features ...
Meeting Document : WG-EMM-07/32 : Autor(es): T. Iwami and M. Naganobu (Japan)
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Report of the international workshop on understanding living krill for improved management and stock assessment
Abstract: The international workshop on understanding living krill for improved management and ... Mexico) attended the meeting. Following the series of the presentations, an extensive discussion took ... place regarding to the future research on live krill. Special Volume of the workshop will be published ... in December 2003. Author(s): S. Kawaguchi (Australia) and M. Naganobu (Japan) Title: Report of the ...
Meeting Document : WG-EMM-03/56 : Autor(es): S. Kawaguchi (Australia) and M. Naganobu (Japan)