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The effect of temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island
ability of CEMP data to detect change. The effect size that should prompt a response if observed in a ... power analysis estimates results in a decreased level of power to detect a trend. Similar power analysis ... results are obtained for a fixed co-efficient of variation of the temporal variability SD in relation to ... to other parameters that are suitable for trend detection. The four CEMP parameters considered in ...
Meeting Document : WG-EMM-03/49 : Autor(es): L.M. Emmerson and C. Southwell (Australia)
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AMLR 2009/10 Field Season Report: objectives, accomplishments and conclusions
was greater this year than the last ten years. The production of penguin chicks decreased compared to ... characterizing the waters around the South Shetland Islands indicate that several water masses converge in the ... Survey in the South Shetland Islands, acoustic estimates of krill biomass were the lowest seen since 2006 ... in length midway through the breeding season, and increased again toward the end of the season ...
Meeting Document : WG-EMM-10/P12 : Autor(es): A. Van Cise (Editor)
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Beach litter survey Signy Island, South Orkney Islands, 1992/93
. Comparison with the 1990/91 and 1991/92 litter surveys showed a dramatic drop in both the weight of debris ... same beach over the three years the numbers of polypropylene packaging bands fell by 93%. The results ... show a very encouraging decline in the incidence of marine debris. However, the reasons for the decline ... are unclear. It may be due to a reduction in fishing activity around the South Orkney Islands because ...
Meeting Document : CCAMLR-XII/BG/07 : Autor(es): Delegation of United Kingdom
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Baited Remote Underwater Video (BRUV) system to monitor Antarctic toothfish distribution and abundance: pilot study results and future design
alternative non-extractive methodology to expand the routine collection of data in areas not accessible by the ... abundance and distribution of the species. During the last three years, a pilot study has been carried out ... in McMurdo Sound and Terra Nova Bay, and first results are reported. We propose some improvements of ... Members interested to take part in the data collection. Author(s): D. Di Blasi, S. Canese, E. Carlig, L ...
Meeting Document : WG-FSA-18/62 : Autor(es): D. Di Blasi, S. Canese, E. Carlig, L. Ghigliotti, S.J. Parker and M. Vacchi
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Krill (Euphausia superba) distribution contracts southward during rapid regional warming
that, within their main population centre in the southwest Atlantic sector, the distribution of ... Euphausia superba (hereafter, ‘krill’) has contracted southward over the past 90 years. Near their northern ... the Antarctic shelves. A concomitant increase in mean body length reflects reduced recruitment of ... , with associated nonlinear adjustments in the roles of keystone species, poses challenges for the ...
Meeting Document : WG-EMM-2019/P02 : Autor(es): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, C.S. Reiss, V.J. Loeb, D.K. Steinberg, K. Schmidt, G.A. Tarling, L. Gerrish and S.F. Sailley
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ESTIMATION OF IUU CATCHES OF TOOTHFISH INSIDE THE CONVENTION AREA DURING THE 2009/10 FISHING SEASON
2010 to take into account new information submitted in respect of two vessels fishing in Divisions ... 58.4.1 and 58.4.4a. Changes from version 1 are highlighted in bold. ESTIMATION OF IUU CATCHES OF ... prepared an estimate of IUU catches of Dissostichus spp. in the Convention Area for the 2009/10 season ... vessels is based on reports on the presence of IUU vessels in the Convention Area. Verified reports of ...
Meeting Document : WG-FSA-10/06 : Autor(es): Secretariat
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Committee for Environmental Protection: 2014 Annual Report to the Scientific Committee of CCAMLR
Environmental Protection (CEP) has been steadily increasing over the last few years to the mutual benefit of ... both. In order to avoid duplicate reporting between the two committees, and following discussions ...
Meeting Document : SC-CAMLR-XXXIII/BG/13 : Autor(es): CEP Observer to SC-CAMLR (Dr P. Penhale, USA)
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Committee for Environmental Protection: 2015 Annual Report to the Scientific Committee of CCAMLR
Environmental Protection (CEP) has been steadily increasing over the last few years to the mutual benefit of ... both. In order to avoid duplicate reporting between the two committees, and following discussions ...
Meeting Document : SC-CAMLR-XXXIV/BG/14 : Autor(es): CEP Observer to SC-CAMLR (Dr P. Penhale, USA)
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Committee for Environmental Protection: 2017 Annual Report to the Scientific Committee of CCAMLR
Environmental Protection (CEP) has been steadily increasing over the last few years to the mutual benefit of ... both. In order to avoid duplicate reporting between the two committees, and following discussions ...
Meeting Document : SC-CAMLR-XXXVI/BG/08 : Autor(es): CEP Observer to SC-CAMLR (Dr P. Penhale, USA)
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Committee for Environmental Protection: 2019 Annual Report to the Scientific Committee of CCAMLR
Environmental Protection (CEP) has been steadily increasing over the last few years to the mutual benefit of ... both. In order to avoid duplicate reporting between the two committees and following discussions ...
Meeting Document : SC-CAMLR-38/BG/07 : Autor(es): CEP Observer to SC-CAMLR, Dr P. Penhale (USA)