Résultats de la recherche
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Growth rates of Antarctic fur seals as indices of environmental conditions
mass at age in each year compared to the multi-year mean, that was not dependent on assumptions of ... population available for sampling appear to invalidate the widely held assumption that inter-annual ... growth rates in years of low krill availability. Biases reflecting changes in the component of the ... based on cross-sectional population samples. A new index was developed, based on the deviation of pup ...
Meeting Document : WG-EMM-01/20 : Auteur(s): K. Reid (United Kingdom)
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COLLAPSE OF SOUTH AFRICA’S PENGUINS IN THE EARLY 21ST CENTURY
classification of the species as Endangered. In South Africa, penguins breed in two regions, the Western Capeand ... years. This reduced the global population to 26 000 pairs, when including Namibian breeders, and led to ...
Meeting Document : WG-EMM-11/P8 : Auteur(s): R.J.M. Crawford, R. Altwegg, B.J. Barham, P.J. Barham, J.M. Durant, B.M. Dyer, D. Geldenhuys, A.B. Makhado, L. Pichegru, P.G. Ryan, L.G. Underhill, L. Upfold, J. Visagie, L.J. Waller and P.A. Whittington
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Standardised CPUE analysis of the Antarctic toothfish fishery in CCAMLR Subarea 88.1 from 1988/89 to 2003/04
) per baited hook per set) carried out in 2003 compared two alternative toothfish CPUE analyses for the ... addition of data from the 2004 season using data sets based on all vessels and the two main New Zealand ... 1998 to 2003 seasons for Subarea 88.1. This report revises and updates the previous analysis with the ... residuals for all models, but the quantile-quantile plots indicate a deviation from the normal distribution ...
Meeting Document : WG-FSA-04/25 : Auteur(s): N.L. Phillips, R.G. Blackwell and S.M. Hanchet (New Zealand)
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Seamount-specific biomass estimates from SSRU 88.2H in the Amundsen Sea derived from mark-recapture data
seamount in the previous year. Trends in local biomass estimates for individual seamounts and SSRU 88.2H ... on almost every seamount in every year and usually in proportion to the level of tagging on the ... Abstract: Mark-recapture data for Antarctic toothfish from individual seamount features in SSRU ... calculated for SSRU 88.2H as a whole. The analyses indicate that: Fish seldom move among seamounts within the ...
Meeting Document : WG-FSA-14/58 : Auteur(s): S.J. Parker and S. Mormede (New Zealand)
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Proposition d'une nouvelle présentation du budget
and special funds. Author(s): Executive Secretary Title: Proposal for a new budget layout Microsoft ... Document Release Consent: No Delegation responsibility for releasing documents: CCAMLR Secretariat ... across more years to enhance decision-making at SCAF and the Commission. It builds on the table layout ...
Meeting Document : CCAMLR-XXXVII/09 : Auteur(s): Executive Secretary
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
biomass estimate which is set as the catch for a 20-year period. Three alternative fishing seasons are ... on Krill. The most important of these extensions is integration over the ranges of uncertainty for a ... number of the model parameters. Results are provided for the probability of spawning biomass falling ... considered. Fishing in summer (near-coincident with the period of krill growth), or throughout the year ...
Meeting Document : WG-KRILL-92/04 : Auteur(s): D.S. Butterworth, G.R. Gluckman and S. Chalis (South Africa)
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CCAMLR-IWC Export Group Report: Primary Productivity and Phytopalnkton
SeaWiFS and MODIS sensors that have been providing data for the last ten years. The characteristics of ... ecosystem and biogeochemical models for the Southern Ocean is presented, with a focus on those models that ... phytoplankton blooms is presented for the major provinces surrounding Antarctica. Some of the published ... productivity is presented, focusing on the vertically generalized production model (VGPM) and more recent ...
Meeting Document : CCAMLR-IWC-WS-08/13 : Auteur(s): Matear, R., Mongin, M., Lovenduski, N., Strutton, P.
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QUANTIFYING MOVEMENT BEHAVIOUR OF VESSELS IN THE ANTARCTIC KRILL FISHERY
demonstrate the need for high quality year-round data on all vessels participating in the krill fishery to ... obvious for operations by Japanese fishing vessels. There were differences between statistical areas with ... of fishing grounds within this area. The same patterns were observed for vessels from other nations ... , but were less clear. The study suggests the movement trends for Japanese vessels could form the basis ...
Meeting Document : WG-EMM-09/P05 : Auteur(s): S. Kawaguchi and S.G. Candy
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Indicative trends in by-catch of sharks in the CAMLR Convention Area
fishing on shark species in the Convention Area for purposes other than scientific research, is prohibited ... increased during the last 10-year period, with most of the by-catch reported in Division 58.5.2 and ... useful during consideration of CCAMLR-XXXVII/30 by the Scientific Committee and Commission. Author(s ... Release Consent: No Delegation responsibility for releasing documents: United States of America ...
Meeting Document : WG-FSA-18/63 Rev. 1 : Auteur(s): C.D. Jones
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Growth of krill around the South Orkney Islands in 1989/90
groups, distinguished using the probability paper. Seven size groups both for males and females were ... distiguished. The growth period for the males continued from October to April, and from October to February for ... the females. The increment for this period was the same for both sexes and had about 8–9 mm in length ... . The males’ one day increments were 0.046–0.076, and for the females – 0.065–0.074 mm. It is supposed ...
Meeting Document : WG-EMM-95/05 : Auteur(s): Latogursky, V.I.