Resultados de la búsqueda
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Quantifying within- and between-season variability in Adélie penguin fledgling weights: statistical and practical implications for detecting change
fledgling weights with a decline in resource availability, the consideration of total chick failure during ... severe food shortages and a possible change in variance associated with a change in the mean value. With ...
Meeting Document : WG-EMM-05/20 : Autor(es): L. Emmerson, C. Southwell and J. Clarke (Australia)
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A study of Patagonian toothfish (Dissostichus eleginoides) post tagging survivorship in Subarea 48.3
, and then were kept in tanks with varying degrees of seawater replacement for at least 12 hours after ... tagging. On one vessel fish with a variety of injuries were selected to see if this affected recovery. 395 ... animals were included in the final analysis, with an overall survivorship of 89%. There were significant ...
Meeting Document : WG-FSA-05/19 : Autor(es): D. J. Agnew, J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones (United Kingdom), G. Breedt, S. Du Plessis, J. Van Heerdon (South Africa) and G. Moreno (Spain)
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RELEVANT ISSUES IN REGARDS TO THE MANAGEMENT OF ANTARCTIC KRILL FISHERIES IN AREA 48
necessary for CCAMLR to fill those gaps, together with developing in future a funding mechanism to support ... provides a good opportunity to discuss the possibility for the working group to come up with a research and ... monitoring plan for krill in Area 48. Due to the high level of risk associated with maintaining the current ...
Meeting Document : WG-EMM-09/31 : Autor(es): L. Pshenichnov and G. Milinevsky (Ukraine)
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The application of CCAMLR Ecosystem Monitoring Program (CEMP) standard methods in the Antarctic site inventory project
project's methodology, particularly with respect to counting penguin nests and chicks. At each site ... methodology fully conforms with sampling strategies recommended by the CEMP working Group, enabling the ... Inventory to detect a 10% or 20% change in a parameter with a significance level as. 01 and a statistical ...
Meeting Document : WG-EMM-97/38 : Autor(es): Naveen, R.
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DISTRIBUTION OF KRILL AT THRESHOLD DENSITIES SUITABLE FOR FISHING IN THE ATLANTIC SECTOR: ANALYSIS OF THE 2000 SYNOPTIC SURVEY DATA
shelf SSMUs in terms of the frequency of 1nm integration units with krill densities above and below a ... . This was also true with other threshold values in the range 25 to 200 gm2 although the difference was ... with those that affect the behaviour and performance of the fishery. Author(s): S. Hill and D. Agnew ...
Meeting Document : WG-EMM-08/16 : Autor(es): S. Hill and D. Agnew (United Kingdom)
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OTOLITH CHEMISTRY REFLECTS FRONTAL SYSTEMS IN THE ANTARCTIC CIRCUMPOLAR CURRENT
Bank; 2) Mn/Ca enrichment associated with South America; 3) Sr/Ca linked to the presence of Circumpolar ... eddies may account for affinities with neighbouring sampling areas, bringing water from the Subantarctic ... with depth and improved cross-validation by 14%, giving 85% classification rates to South American and ...
Meeting Document : WG-FSA-08/P04 - Abstract : Autor(es): J.R. Ashford, A.I. Arkhipkin and C.M. Jones
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Orientation of Antarctic krill in an aquarium
strength (TS) values, since TS varies with body orientation. Krill body orientation was measured in an ... . Although mature females with marked swelling of the cephalothorax were not included in the experiment, the ... estimated on the basis of Kils’ model. Mature females with swollen cephalothorax demonstrated larger tilt ...
Meeting Document : WG-KRILL-93/24 : Autor(es): Y. Endo (Japan)
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Population assessment of Patagonian toothfish in the north of Subarea 48.4 – 2010 update
Abstract: The target tagging rate of 5 fish per tonne was exceeded by both vessels, with 232 D ... is consistent with the theory that the bulk of the biomass is dominated by a small number of cohorts ... 48.4 are very similar to that from the previous season with a B 0 of 1,123 t (compared to 1,127 t in ...
Meeting Document : WG-FSA-10/39 : Autor(es): J. Roberts and D. Agnew (UK)
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Primera evaluación del funcionamiento de la CCRVMA
experts with CCAMLR experience; the Chair of the Antarctic Treaty Consultative Meeting’s Committee for ... with experience in relevant areas of science, fisheries management and legal matters. Report of the ... with its authors. The views and recommendations contained in the report do not necessarily reflect the ...
Page : Site Section: The Organisation
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Estimation of tag-loss rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands in Division 58.5.2
, with longline-caught and recaptured fish losing their tags quicker than trawl-caught and recaptured ... fish. With an initial tag-loss proportion of 2.8% and ongoing tag-loss rate of 0.056 in the longline ... -loss rate for longline varied strongly between time periods, with l = 0.007 for 2003-2006, l = 0.021 ...
Meeting Document : WG-FSA-17/21 : Autor(es): P. Ziegler