Search results
-
About the fecundity of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3 (around South Georgia)
Abstract: The absolute and relative fecundity of Patagonian toothfish inhabiting areas of South ... Georgia Island and Shag Rocks were studied. The absolute individual fecundity of toothfish in relation to ... the size of specimens ranged from 56,3 to 567.5 thousands of eggs, averaging 152,9 thousands of eggs ... . Values of relative individual fecundity of toothfish varied from 4,1 to 13,0 thousands of eggs (averaging ...
Meeting Document : WG-FSA-98/13 : Author(s): M.M. Nevinsky and A.N. Kozlov (Russia)
-
Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands 1997/98
Abstract: The results of the second annual survey of entanglement of Antarctic fur seals at Signy ... Island, South Orkney Islands are reported for the 1997/98 summer season. There were six sightings of ... seals wearing neck collars of man-made debris, half the number reported in 1996/97. All of the animals ... involved were juvenile males, the main component of the population seen at Signy Island at this time of ...
Meeting Document : SC-CAMLR-XVII/BG/12 : Author(s): Delegation of the United Kingdom
-
Dynamic of the krill fishery in the Area 48 and its relation to climate variability and changes in fishing technology
Abstract: The authors analyzed the spatial-temporal structure of standardized indices of catch ... per effort unit (CPUE) of Antarctic krill fishery in the Area 48 in relation to dynamic of ААО ... indices (Antarctic Oscillation Index) as one of the factors used in analysis of inter-annual and long ... -period fluctuations of hydrometeorological conditions at high latitudes of the southern hemisphere ...
Meeting Document : WG-EMM-13/25 : Author(s): P.S. Gasyukov and S.М Kаsatkina (Russia)
-
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)
-
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)
-
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 : Author(s): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.
-
Preliminary assessment of Champsocephalus gunnari on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of yield ... in the 2002/2003 CCAMLR season. This paper provides a preliminary assessment of yield using the ... assessment methods of CCAMLR and discusses the implications of these results in relation to previous CCAMLR ...
Meeting Document : WG-FSA-02/47 : Author(s): A.J. Constable, R. Williams and T. Lamb (Australia)
-
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)
-
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
-
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.