Resultados de la búsqueda
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On the taxonomy of the Lepidonotothen squamifrons group (Pisces, Perciformes, Notothenioidei)
Abstract: The Lepidonotothen squamifrons group has been described to be comprised of 3 species: L ... recognized as L squamifrons and L kempi from various localities in the Scotia Arc region and the Kerguelen ... ; represent only populations of one species. Evidence is presented that the third species of the group, L ... macrophthalma, may also be identical with L squamifrons and that the L squamifrons 'group' is ...
Meeting Document : WG-FSA-93/25 : Autor(es): R. Schneppenheim and K.-H. Kock (Germany), G. Duhamel (France) and G. Janssen (Germany)
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Mesozooplankton distribution and community structure in the Pacific and Atlantic sectors of the Southern Ocean during austral summer 2017/18: a pilot study conducted from Ukrainian longliners
Abstract: Preliminary results of the pilot study of the mesozooplankton in the region between the ... were collected in the top 100 m water layer using vertical tows of the 0.1 m-2 Juday net from four ... Ukrainian longliners operating during the Antarctic toothfish fishery. While providing basic information on ... the zooplankton density, distribution, community composition and seasonal dynamics, this pilot study ...
Meeting Document : WG-FSA-18/19 : Autor(es): E.A. Pakhomov, L.K. Pshenichnov, A. Krot, V. Paramonov, I. Slypkо and P. Zabroda
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Status of the South Georgia subarea (48.3) on satellite monitoring of the sea surface temperature, December 1999–January 2000
South Georgia shelf on the east because there are no favorable conditions to form mass concentrations in ... Abstract: Data of satellite monitoring (GOES-E) of the sea surface temperature (SST) and realtime ... data from vessels allow us to understand the hydrologic situation off South Georgia (Subarea 48.3) in ... December, 1999- January, 2000. Using the database of the SST maps for 1990-1991 and the current standard ...
Meeting Document : WG-EMM-00/20 : Autor(es): G. Vanyushin and A. Korobochka (Russia)
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Using spatial population models to investigate the effects of a proposed Marine Protected Area on Antarctic toothfish in the Ross Sea region
a large increase in the area with little depletion of the population and no increase in the area ... they usually involve the displacement of fisheries, their design rarely takes into account the effect ... of that fishery’s displacement on the target fish population. We used a spatially explicit population ... model of Antarctic toothfish in the Ross Sea region to investigate the effects of a proposed MPA on the ...
Meeting Document : WG-FSA-15/42 : Autor(es): S. Mormede, A. Dunn, S.J. Parker and S.M. Hanchet (New Zealand)
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
provided for females, males, and both sexes combined. There was no obvious difference between the sexes, so ... caudal thorns, were used to estimate the ages of Amblyraja georgiana from the Ross Sea. Caudal thorns ... viewed with transmitted white light provided the clearest growth bands, but reading precision was low ... , producing uncertain age estimates. Furthermore, annual deposition of thorn bands has not been validated. The ...
Meeting Document : WG-FSA-04/29 : Autor(es): M.P. Francis and C. Ó Maolagáin (New Zealand)
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Evidence of change to the environment, ecosystem and fishery within Area 48 indicates the need for continued precaution
Abstract: CCAMLR manages the krill fishery in Area 48 using a catch limit (the trigger level ... ) which was established in 1991 based on the maximum catches reported for each subarea. Since that time ... the ecosystem has undergone rapid environmental change. Several studies suggest that krill numerical ... changes are consistent with global evidence of the ecological effects of environmental change. At the same ...
Meeting Document : WG-EMM-2019/29 : Autor(es): S. Hill and A. Atkinson
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PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4
no bird entanglements or mortalities were reported; 5. The UK proposes to continue the mark-recapture ... Abstract: 1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ...
Meeting Document : WG-FSA-09/18 : Autor(es): J. Roberts and D.J. Agnew (United Kingdom)
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Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4
Abstract: A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... total of 794 tagged fish in the water, respectively. A total of 13 D. eleginoides and 22 D. mawsoni were ...
Meeting Document : WG-FSA-10/40 : Autor(es): J. Roberts and D. Agnew (UK)
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Progress report on the joint research for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand in 2018/19
Abstract: The scientific survey was conducted by the Greenstar (KOR) in the research block 883_1 ... –883_P9. Due to extreme ice conditions covering the southern part of 88.3, Janas (NZL) was not able to ... conduct its part of the survey. The total catch of D. mawsoni was 63,840 kg comprising 2,526 individuals ... . The CPUE for Dissostichus mawsoni indicated regional differences among the research blocks. CPUE was ...
Meeting Document : WG-SAM-2019/11 : Autor(es): Delegations of the Republic of Korea and New Zealand
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Analyses of illegal, unreported and unregulated (IUU) fishing activities in Divisions 58.4.1 during the 2013/14 season and 58.4.3b during the 2014/15 season
Abstract: Following Operation Sparrow 2, WG-FSA-17 noted the unprecedented availability of catch ... by an NGO vessel. As requested in WG-FSA-17 paragraph 2.16, this document provides an analysis of the ... spatio-temporal distributions of catch and effort by the Chang Bai, Nihewan and Jiangfeng in Division ... 58.4.1 during the 2013/14 season, as well as the Thunder in Division 58.4.3b during the 2014/15 season ...
Meeting Document : WG-FSA-18/60 : Autor(es): Delegation of Australia and CCAMLR Secretariat