Resultados de la búsqueda
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Beach debris survey, Signy Island, South Orkney Islands, 2006/07
recovered had decreased (an increase of 85.2% and decrease of 68.8% since 2005/06 respectively). There was a ... packaging bands continue to appear as beach debris and indicate that the ban on their use aboard fishing ... problem. The need for continued monitoring to ensure that vessels are aware of, and comply with ...
Meeting Document : SC-CAMLR-XXVI/BG/19 : Autor(es): Delegation of the United Kingdom
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Growth and shrinkage in Antarctic krill Euphausia superba is sex-dependent
in adult females but not males during winter, based on both the tracking of modal size classes over ... of the ovaries and is not necessarily an outcome of winter hardship. The sex-dependent changes that ... Approval: Approved Secretariat Workflow Status: Content Approved Delegation responsibility for releasing ... operations carried out in this region at other times of the year. Our analyses revealed body-length shrinkage ...
Meeting Document : WG-EMM-16/P04 : Autor(es): G. Tarling, S. Hill, H. Peat, S. Fielding, C. Reiss and A. Atkinson
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Draft: Krill Fishery Report 2016
Abstract: This update to the annual krill fishery report contains background of the fishery as an ... introduction to the report, an inventory of catch and SISO data up to June 2016, including incidental mortality ... . Monthly catch maps for the last complete fishing seasons (2015) and the current season up to May 2016 have ... been included as an appendix. Author(s): CCAMLR Secretariat Title: Draft: Krill Fishery Report 2016 ...
Meeting Document : WG-EMM-16/07 : Autor(es): CCAMLR Secretariat
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Descriptive analysis of haul data from FV Atlantic Navigator in Elephant Islands (48.1), South Georgia Islands (48.3) and South Orkney Islands (48.3) krill fishery (summer 2004 to early winter 2005)
operation was performed for the two fishing systems used: conventional fishing system (CON) and the ... obtained at South Orkney islands zone. The highest catch rate were calculated for the same fishing zone ... was determined IC for winter season 2004 and IIC and IIB for summer to winter 2005. All data was ...
Meeting Document : WG-EMM-05/12 : Autor(es): O. Pin, H. Nión, E. Delfino and P. Meneses (Uruguay)
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Preliminary report from New Zealand research voyages to the Balleny Islands in the Ross Sea region, Antarctica, January to March 2006
decision to send two separate research voyages to the Balleny Islands, located north of the Ross Sea, in ... for New Zealand’s approach to the Balleny Islands. This paper provides a preliminary summary of the ...
Meeting Document : WG-EMM-06/31 : Autor(es): B.R. Sharp (New Zealand)
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THE HISTOLOGICAL ANALYSIS OF OOGENESIS AND MATURITY OF ANTARCTIC TOOTHFISH FROM THE ROSS SEA
showed a slow increase in oocyte diameter. It was obtained that for Antarctic toothfish during the ... contained two groups of vitellogenous oocytes. The large oocytes of the nearest spawning season with average ...
Meeting Document : WG-FSA-09/26 : Autor(es): S.V. Piyanova and A.F. Petrov (Russia)
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Results of study of the oogenesis characteristics of Antarctic toothfish (Dissostichus mawsoni Norman 1937) (Nototheniidae) from Subareas 88.1 and 88.2 (Ross Sea)
toothfish ovaries from the stages II to IV show a slow increase in oocyte diameter. It was shown that for ... were dominated. Their ovaries contained three size groups of oocytes: cytoplasmic group and two groups ... ; consequently Antarctic toothfish was not matured for spawning in the Ross Sea during the investigation period ...
Meeting Document : WG-FSA-07/49 : Autor(es): S. V. Piyanova and A.F. Petrov (Russia)
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Censuses in the northernmost colony of Emperor penguin (Aptenodytes forsteri) in the tip of the Antarctic Peninsula at Snow Hill Island, Weddell Sea, Antarctica
situated on the south coast of Snow Hill Island, constituting the northernmost colony known in Antarctica ... . We conducted a census of adult individuals using aerial photographs taken from an aircraft flight ... over the colony during the 2013 breeding season. Likewise, we explored the colony by land, making an ...
Meeting Document : WG-EMM-14/56 : Autor(es): M. Libertelli and N. Coria (Argentina)
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ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT
in 2008/09, slightly under the target of 375 for the full 75 tonnes of catch; 3. There were 29 D ... some years; 6. Analysis of tagging and biometric data suggests that D. eleginoides at 48.4 have similar ... cohort spawned in the early-1990s and that growth parameters are similar for D. eleginoides caught in ... DATA FROM A FOUR-YEAR TAGGING EXPERIMENT Approval: Approved ...
Meeting Document : WG-FSA-09/17 : Autor(es): J. Roberts and D.J. Agnew (United Kingdom)
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Squeezed from both ends: Decline in Antarctic fur seals in the South Shetland Islands driven by both Top–down and Bottom–up processes
. This has led to an under emphasis of the role of bottom-up drivers for controlling fur seal production ... Antarctic bottom-up processes are widely cited for explaining penguin population declines, whereas for ... Antarctic fur seals, top-down processes are most cited as the primary driver for declining pup production ... production estimates from 2002-2012 for Cape Shirreff, Livingston Island. Age-specific natality rates are ...
Meeting Document : WG-EMM-14/39 : Autor(es): M.E. Goebel and C.S. Reiss (USA)