Resultados de la búsqueda
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DNA barcoding highlights a cryptic species of grenadier (genus Macrourus) in the Southern Ocean
M. whitsoni from the Ross Sea region provided strong evidence for two sympatric species: M. whitsoni ... the Ross Sea region, and provisionally identified as M. whitsoni, were divided into two COI haplotypes ... , based on a Restriction Fragment Length Polymorphism (RFLP) test. Three characters counted/scored in the ... same Ross Sea region specimens classified individuals into two groups: one with 9 pelvic fin rays, pale ...
Meeting Document : WG-FSA-10/33 : Autor(es): P.J. Smith (New Zealand), D. Steinke (Canada), P.J. McMillan, A.L. Stewart, S.M. McVeagh (New Zealand), J.M. Diaz De Astarloa (Argentina), D. Welsford and R.D Ward (Australia)
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Possible approach to krill movement estimation by hydroacoustic observations
-swarm distance (BSD) and between-clusters distance (BCD).For ocean current velocity- 20 sm/sec,ship ... transects on rectangular polygon is discribed.Dimensions of polygon and frequency of acoustic observations ...
Meeting Document : WG-KRILL-91/28 : Autor(es): P.P. Fedulov (USSR)
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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 ... growth rates in years of low krill availability. Biases reflecting changes in the component of the ... population available for sampling appear to invalidate the widely held assumption that inter-annual ... based on cross-sectional population samples. A new index was developed, based on the deviation of pup ...
Meeting Document : WG-EMM-01/20 : Autor(es): K. Reid (United Kingdom)
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Volume 5: CCAMLR. 1993. Statistical Bulletin, Vol. 5 (1983–1992). CCAMLR, Hobart, Australia.
1983 to 1992 are included in the present volume, and are the most correct data for these years ... described in paragraph 2.11 has not been required for all areas and years. Reporting of finfish data for ... period used is the split-year 1 July to 30 June. Split':yeardata aresh()~n. under the calender year in ... which the split-year ends; for example, 1978 indica~es:the split7y~ar:' . " " , .. ' ,", 1 July 1977 ...
Document : Site Section: Publications
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COLLAPSE OF SOUTH AFRICA’S PENGUINS IN THE EARLY 21ST CENTURY
years. This reduced the global population to 26 000 pairs, when including Namibian breeders, and led to ... classification of the species as Endangered. In South Africa, penguins breed in two regions, the Western Capeand ...
Meeting Document : WG-EMM-11/P8 : Autor(es): 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 : Autor(es): 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
complex, and residence time on particular seamounts declines rapidly over 1–4 years. Fishing has occurred ... on almost every seamount in every year and usually in proportion to the level of tagging on the ... seamount in the previous year. Trends in local biomass estimates for individual seamounts and SSRU 88.2H ... Abstract: Mark-recapture data for Antarctic toothfish from individual seamount features in SSRU ...
Meeting Document : WG-FSA-14/58 : Autor(es): S.J. Parker and S. Mormede (New Zealand)
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Propuesta de un nuevo formato de presupuesto
across more years to enhance decision-making at SCAF and the Commission. It builds on the table layout ... 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 ...
Meeting Document : CCAMLR-XXXVII/09 : Autor(es): 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 ... , allows a greater catch (for the same risk of depletion) than in the case of fishing in winter. Author(s ...
Meeting Document : WG-KRILL-92/04 : Autor(es): 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 ... productivity is presented, focusing on the vertically generalized production model (VGPM) and more recent ... phytoplankton blooms is presented for the major provinces surrounding Antarctica. Some of the published ...
Meeting Document : CCAMLR-IWC-WS-08/13 : Autor(es): Matear, R., Mongin, M., Lovenduski, N., Strutton, P.