Résultats de la recherche
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Lipid metabolism features of Antarctic toothfish Dissostichus mawsoni (Nototheniidae)
Abstract: Lipid metabolism and indices of oxidation processes obtained during examination of ... specimens of Antarctic toothfish Dissostichus mawsoni (Perciformes: Nototheniidae) caught in the Ross Sea ... are given. Blood plasma, tissues mesonephric kidney, liver and spleen were studied for the content of ... total lipids and lipid composition, products of lipid peroxidation and level of antioxidant protection ...
Meeting Document : WG-FSA-16/P02 : Auteur(s): I.I. Gordeev, D.V. Mikryakov, N.I. Silkina and A.S. Sokolova
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Conserving surface-nesting seabirds at the Prince Edward Islands: the roles of research, monitoring and legislation
Abstract: South Africa’s subantarctic Prince Edward Islands support substantial proportions of ... the global populations of a number of surface-nesting seabirds. Populations of most of these have ... decreased at the islands since the 1980s and 12 of 16 species are regarded as Threatened or Near Threatened ... regionally or internationally. The main causes of population decreases are thought to be by-catch mortality ...
Meeting Document : WG-EMM-03/14 : Auteur(s): R.J.M. Crawford and J. Cooper (South Africa)
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Power analyses of CEMP indices for penguins at Admiralty Bay and fur seals at Cape Shirreff and Seal Island
Abstract: We used the program MONITOR to conduct a set of power analyses for CEMP indices ... describe the likelihood of rejecting null hypotheses stating that the slopes of linear models relating the ... values of transformed CEMP indices to breeding year are equal to zero when, in fact, these trends ... actually exist. We estimated the power of rejecting these null hypotheses at three levels of? (the ...
Meeting Document : WG-EMM-03/52 : Auteur(s): G.M. Watters, R.P. Hewitt, W.Z. Trivelpiece and M.E. Goebel (USA)
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Mackerel icefish Champsocephalus gunnari in the diet of upper trophic level predators at South Georgia: implications for fisheries management
Abstract: Mackerel Icefish Champsocephalus gunnari Lönnberg is an important component of the ... important prey species for a number of upper trophic level predators, and is the target of commercial ... fisheries. Data on the frequency and size structure of C. gunnari in the diet of Antarctic fur seals ... used to examine the trophic interactions and evaluate the potential impact of predators on the C ...
Meeting Document : WG-FSA-03/74 : Auteur(s): K. Reid, S. Hill and T. Diniz (United Kingdom)
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Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides
Abstract: The Patagonian toothfish, Dissostichus eleginoides, has been reported as prey of ... fishery for toothfish in Division 58.5.2 might have on the abundance of the age classes of toothfish ... preyed on by these seals. This paper provides an updated analysis of the age of toothfish taken by ... examine the level of escapement of fish preyed on by these seals under the current Total Allowable Catch ...
Meeting Document : WG-EMM-97/42 : Auteur(s): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.
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Proposal for a SCOR Working Group to identify Ecosystem Essential Ocean Variables for measuring change in the biological properties of marine ecosystems
for measuring change in the biological properties of marine ecosystems” was developed by members of ... amongst members of the Science Steering Committee of the IMBER program, Integrating Climate and Ecosystem ... Dynamics (ICED) as part of the development of the ICED Southern Ocean Sentinel. The aim of the Working ... Group is to develop a set of essential variables for monitoring that would contribute to assessments of ...
Meeting Document : WG-EMM-12/45 : Auteur(s): A. Constable (Australia)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands 1999/2000
Abstract: The results of the fourth annual survey of entanglement of Antarctic fur seals at Signy ... seals wearing neck collars of man-made debris. One additional sighting was of an animal that had been ... previously entangled but had lost its collar by the time of observation. All of the animals involved were ... juvenile males, the main component of the population at this time of year.The number of sightings was the ...
Meeting Document : SC-CAMLR-XIX/BG/03 : Auteur(s): Delegation of the United Kingdom
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The breeding biology and distribution of Adelie penguins: adaptations to environmental variability
biomass of the Western Antarctic Peninsula region, and serve as focal animals for our Long Term Ecological ... Research (LTER) study of the effects of environmental variability on animal populations in the Antarctic ... of Adelie penguins in the Southern Ocean are variability in sea ice cover, ocean circulation patterns ... concluded that Adelie penguins have discrete subpopulations in the northeastern and southwestern regions of ...
Meeting Document : WG-EMM-96/58 : Auteur(s): Fraser, W.R., Trivelpiece, W.Z.
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The distribution of spatial management and Antarctic krill catch across pelagic bioregions in the Southern Ocean
provide standardised and accessible information on the location and extent of spatial fisheries management ... measures in the Southern Ocean. We used the GIS in combination with catch data and the results of the 2007 ... CCAMLR bioregionalisation exercise to examine the relative spatial distribution of fishing activities ... , existing management, and ecological characteristics. Such analysis is a necessary part of systematic ...
Meeting Document : WG-EMM-12/15 : Auteur(s): S.M Grant, S.L. Hill and P. Fretwell (United Kingdom)
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Proposed methodology for the assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (Division 58.4.3b)
Abstract: In 2006 the CCAMLR scientific committee noted several features of exploratory ... Dissostichus fisheries in the southern Indian Ocean (58.4) which gave cause for concern as to the status of the ... resource in this area, and the lack of a scientific basis for setting catch limits in these areas (SC-CAMLR ... Scientific Committee requested urgent consideration by Members on of methods for collecting of data and of ...
Meeting Document : WG-SAM-07/8 : Auteur(s): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)