Search results
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Distribution of foraging by female Antarctic fur seals
Abstract: The study examined the distribution of critical habitat for foraging by female ... Antarctic fur seals breeding at the island of South Georgia. Bathymetric features of the continental shelf ... around the island of South Georgia were an important indicator for the localisation of foraging. This ... pattern was consistent among years of different prey availability. Lactating females were constrained to ...
Meeting Document : WG-EMM-03/38 : Author(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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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 : Author(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 : Author(s): K. Reid, S. Hill and T. Diniz (United Kingdom)
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Report on fishery and scientific activity of Ukraine in the Antarctic in 1993/94
Abstract: In the season of 1993-1994 Ukrainian fishing fleet conducted fisheries in two areas of ... Antarctic waters of the World Ocean: in the Atlantic (subareas 48.2 and 48.3) and the Indian (zone of the ... in subarea 48.2 from 01.03.1994 to 10.04.1994 and from the middle of the second ten-day period of May ... to the middle of the first t en-day period of June. GENERAL PETROV worked from 21.04 to 17.05 in ...
Meeting Document : SC-CAMLR-XIII/BG/12 : Author(s): Observer (Ukraine)
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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 : Author(s): R.J.M. Crawford and J. Cooper (South Africa)
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The CAML/SCAR-MarBIN Biogeographic Atlas of the Southern Ocean
Abstract: Biogeographic information is of primary importance for monitoring biodiversity and ... detecting impacts of environmental changes, developing the bio/ecoregionalisation of the Southern Ocean ... biodiversity hotspots. At the end of five years of extensive biodiversity exploration and assessment by the ... Census of Antarctic Marine Life (www.caml.aq), with 19 CAML-dedicated cruises in the whole Southern Ocean ...
Meeting Document : CCAMLR-XXX/BG/11 : Author(s): Submitted by SCAR
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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 : Author(s): Fraser, W.R., Trivelpiece, W.Z.
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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 : Author(s): Delegation of the United Kingdom
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Report on incidental bird mortality and effectiveness of mitigation measures during demersal long lining by Ihn Sung 66 in Subarea 48.3 - December 1993 to February 1994
Abstract: A method of surveying incidental mortality of seabirds during longlining operations and ... the effectiveness of mitigation measures is described. An alternative design of streamer line for use ... with the 'Spanish' method of longlining (separate hauling and fishing lines) is described ... . The results of observations of incidental mortality of seabirds made during the fishing operations of ...
Meeting Document : WG-IMALF-94/14 : Author(s): C. Jones and G. Parkes (United Kingdom)
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Preliminary assessment of mackerel icefish, Champsocephalus gunnari, on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
Abstract: A preliminary assessment of yield of Champsocephalus gunnari for Heard Island Plateau ... (Division 58.5.2) was undertaken using the standard CCAMLR methods, based on the result of a randomly ... stratified trawl survey completed between 16 April and 10 May 2003. The 2003 estimate of abundance was ... approximately 20% of the 2002 estimate. This decline in abundance is consistent with the passage of the strong ...
Meeting Document : WG-FSA-03/32 : Author(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)