Resultados de la búsqueda
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e-cc-xviii-a4.pdf
... noted from the audit report of the 1998 Financial Statements that there were no cases of non-compliance ... the more specific recommendations no longer completely appropriate, the Secretariat had identified ... implications of decisions made at its current meeting. SCAF noted that no changes to the 2000 budget would be ... Commission was no longer appropriate for the conditions currently prevailing in Australia. On the basis of
application/pdf attached to:SCAF-99Meeting Report : SCAF-99
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A simulation study of krill fishing by an individual Japanese trawler
Abstract: A model is set up for the operation (which includes both searching and fishing) of a ... Japanese krill trawler over a half-month period, and the output is compared to statistics from a sample of ... data from the commercial fishery. Twenty-four candidate "CPUE" biomass indices are considered ... , and their performance investigated in response to six different ways in which the overall krill ...
Meeting Document : SC-CAMLR-VI/BG/38 : Autor(es): D.S. Butterworth (United Kingdom)
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Coastal weather drives foraging behaviour of chinstrap penguins, Pygoscelis antarctica
to the season where no such downwelling was detected, suggesting that changes in climate-driven ... indicators because their performance is presumed to be linked to the overall function of the ecosystem that ... supports them. In the southwest Atlantic sector of the Southern Ocean, Antarctic krill (Euphausia superba ... the ecosystem in an adaptive framework for sustainably managing krill catch levels, performance ...
Meeting Document : WG-EMM-18/P14 : Autor(es): A.D. Lowther, P. Trathan, A. Tarroux, C. Lydersen and K.M. Kovacs
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Report on fish by-catch during exploratory fishing activities in Division 58.4.3a (Elan Bank) between 2008 and 2018
Abstract: We report on objective 2 “inform estimations of the distribution, relative abundance ... , and life history of the main bycatch species” of the suspended research plan on Patagonian toothfish ... analyzed bycatch composition in number and biomass during the period 2008-2018 to investigate the inter ... -annual variations in bycatch patterns, spatial distribution and biological parameters of the main bycatch ...
Meeting Document : WG-FSA-2019/56 : Autor(es): C. Péron, C. Chazeau, N. Gasco and F. Massiot-Granier
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A comparative morphometric analysis of sagittal otoliths of three icefishes (Channichthyidae) in Antarctic waters
Abstract: In the present study a comparative morphometric analysis of sagittal otoliths was ... the continental shelf and slope around Elephant Island (Subarea 48.1) and the South Orkney Islands ... differences between the left and right sagittae in BSDs, a univariate and multivariate ANOVA and MANOVA were ... from the 20 harmonics analyzed were homoscedastic and normal, and showed very low level of correlation ...
Meeting Document : WG-FSA-18/47 : Autor(es): G. Plaza, C. Rodríguez-Valentino and P.M. Arana
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Report on fish by-catch during research fishing activities in Division 58.4.4b between 2008 and 2018
inform bycatch mitigation measures” of the ongoing research plan on Patagonian toothfish (Dissostichus ... composition in number and biomass during the period 2008-2018 to investigate the inter-annual variations in ... bycatch patterns, spatial distribution and biological parameters of the main bycatch species. Macrourus ... spp., Antimora rostrata and skates (mostly Amblyraja taaf) were the three dominant species caught as ...
Meeting Document : WG-FSA-2019/53 : Autor(es): C. Péron, C. Chazeau, N. Gasco and F. Massiot-Granier
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Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history
but significant increase through the period when samples were collected (l972/73–1988/89). There were ... ) and increased with age at death. Changes in the growth pattern of teeth suggested that fur seals which ... compared with the expected layer depth based on a linear relationship between layer depth and age at which ... each layer was deposited. There was significant variation in the depth of tooth growth layers deposited ...
Meeting Document : WG-CEMP-93/11 : Autor(es): I.L. Boyd and J.P. Roberts (United Kingdom)
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Empirically-driven feedback management incorporating multi-scale risk assessment and an experimental framework to facilitate adaptive improvement
merit in terms of the utility of available data. However, none currently offers a holistic solution in ... their own right. In 2017, the Scientific Committee encouraged coordination among the various approaches ... seeks to demonstrate the practicality of its implementation that could provide CCAMLR with a “dress ... Document Release Consent: No Delegation responsibility for releasing documents: Norway ...
Meeting Document : WG-EMM-2019/18 : Autor(es): A.D. Lowther, B. Krafft, O.R. Godø, C. Cardenas, X. Zhao and O.A. Bergstad
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A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies
aged. Subsampling of random lengthfrequency (LF) data used to obtain the samples of fish for ageing ... used length-bin sampling involving a fixed sample size per bin. Estimation of the VB parameters used a ... definition of the likelihood function based on variable probability (VP) sampling due to the prespecified ... length-dependent selectivity function for trawl fishing and the additional effect of length-bin sampling ... that the term N/n no longer appears in p’. Note that for the LF data the Nj are observed totals for ... of L∞ calculated for each of the equations (A9) to (A12) given in Appendix 2, was no greater than ... sh that were aged. Subsampling of random length- frequency (LF) data used to obtain the samples of fi ... sh for ageing used length-bin sampling involving a fi xed sample size per bin. Estimation of the VB ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Autor(es): Candy, S.G., A.J. Constable, T. Lamb and R. Williams
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Seabird avoidance measures for small Alaskan longline vessels
, the current requirement for small vessels using fixed gear of a single streamer line with no mandatory ... Abstract: Given the lack of information on appropriate seabird avoidance measures for small ... Alaskan longline vessels, we determined the “2-m access window”, or the distance astern that longline ... (> 26 to 55 feet) using two gear types: snap-on gear and fixed gear. We also determined the ...
Meeting Document : WG-FSA-05/36 : Autor(es): E.F. Melvin and M. Wainstein (USA)