Search results
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
. However, no evidence to validate this assumption has previously been presented. In the current work ... Abstract: Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea (CCAMLR sub-area 88.1 ... ) have been aged assuming that one translucent zone is formed annually in the otoliths of this species ... before recapture. The number of zones between the fluorescent oxytetracycline line and the otolith margin ...
Meeting Document : WG-FSA-02/33 : Author(s): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)
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Acoustic visualization of the three-dimensional prey field of foraging chinstrap penguins
the surface distribution of penguins and krill distributed in the 30- 40 m depth layer; no spatial ... Abstract: Predator-prey interactions play an important role in determining the dynamics of ... ecosystems. Recently, concerns have arisen due to the commercial harvesting of Euphausia superba, the ... Antarctic krill, a keystone prey species in the Southern Ocean food web. It has been difficult to evaluate ...
Meeting Document : WG-Joint-94/12 : Author(s): J.E. Zamon, C.H. Greene, E. Meir, D.A. Demer, R.P. Hewitt and S. Sexton (USA)
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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
BbIIIonHeHa 61 noCTaHOBKa spyca . B COOTBeTCTBHH C MepaMH AHTKOMa no CoXpaHeHHKJ IIOCTaHoBKa RpyCa Resumen ... Population declines in several species of albatross have been reported from breeding sites in the Southern ... the effectiveness of measures employed by CCAMLR to mitigate seabird mortality. Following an agreement ... between the Governments of the United Kingdom and Chile, a UK observer was placed aboard a Chilean ... longliner, the BF Cisne Verde, fishing in CCAMLR Subarea 48.3 during the 1996/97 season. In this study 61 ... lines were laid from March to May 1997 using the Spanish double-line method. In accordance with CCAMLR ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Author(s): Ashford, J.R. and J.P. Croxall
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Seabird interaction with long-lining operations for Dissostichus eleginoides around South Georgia, April and May 1994
and interactions of birds with operations varied with site and time of day, and due to behavioural interactions ... and interactions of birds with operations varied with site and time of day, and due to behavioural interactions ...
Meeting Document : WG-IMALF-94/15 : Author(s): J.R. Ashford, J.P. Croxall (United Kingdom), P.S. Rubilar and C.A. Moreno (Chile)
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Research plan for exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia
with the exception of responses to Agenda Item No. 3.12 of the Draft Report of the WG-SAM-15 ... and aging, will be used to develop a stock assessment for these divisions and inform the necessary ... toothfish habitat use. These models will inform spatial management approaches for toothfish, and the ... conservation of representative areas of benthic biodiversity. Additional outcomes include mapping of the ...
Meeting Document : WG-FSA-15/47 Rev. 1 : Author(s): Delegation of Australia
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e-sc-xxviii-a5.pdf
... Working Group noted that the survey showed no further evidence of recruitment of juvenile D. eleginoides ... Working Group noted that there were no records of a tagged fish detected within the stomach contents of a ... e-sc-xxviii-a5.pdf ANNEX 5 REPORT OF THE WORKING ... OPENING OF THE MEETING .............................................................. 229 ORGANISATION
application/pdf attached to:WG-FSA-09Meeting Report : WG-FSA-09
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A TALE OF TWO ISLANDS: CONTRASTING FORTUNES FOR SUBANTARCTIC SKUAS AT THE PRINCE EDWARD ISLANDS
, continuing an apparent decrease in this species at Marion Island since the 1980s. There is no evidence that ... -Antarctic islands, and can be used to monitor the health of burrowing petrel populations. A survey of skuas ... at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ... km2) had a feral population of cats from the 1950s to 1980s, and still supports a large population of ...
Meeting Document : WG-EMM-10/P3 : Author(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford
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Diseases outbreak threatens Southern Ocean albatrosses
Abstract: Infectious diseases have the potential to cause rapid decline and extinction in ... vertebrate population and are likely to be spreading with increased globalisation and climate warming. In the ... Southern Ocean and in Antarctica no major outbreaks of infectious diseases have been reported, perhaps ... because of isolation and cold climate, although recent evidence suggest their presence. The major threat ...
Meeting Document : WG-EMM-03/32 : Author(s): H. Weimerskirch (France)
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CLASSIFICATION GUIDE FOR POTENTIALLY VULNERABLE INVERTEBRATE TAXA IN THE ROSS SEA LONG-LINE FISHERY
Abstract: Conservation Measure 22-06, in the absence of site-specific or other conservation ... Conservation Measure 22-06, in the absence of site-specific or other conservation measures ...
Meeting Document : WG-FSA-08/19 : Author(s): S. Parker, D. Tracey, E. Mackay, S. Mills, P. Marriott, O. Anderson, K. Schnabel, D. Bowden and M. Kelly (New Zealand)
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Distribution and size of Antarctic krill (Euphausia superba Dana) in the Polish commercial catches in the Atlantic sector of Antarctica in 1997–1999
the water, however, no clear evidence of vertical migrations was found. Between February and April ... Abstract: The distribution, density and length composition of krill in commercial concentrations ... were investigated in the regions of South Shetland, Elephant, South Georgia and South Orkneys in spring ... and summer 1997-1999. The concentration densities varied with area and season. The densest ...
Meeting Document : WG-EMM-01/13 : Author(s): E. Jackowski (Poland)