Search results
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Trends in breeding numbers and survival of black-browed (Thalassarche melanophrys) and grey-headed albatrosses (T. chrysostoma) breeding on Macquarie Island
Abstract: Black-browed (Thalassarche melanophrys) and grey-headed (T. chrysostoma) albatrosses ... are globally threatened seabirds that breed on remote subantarctic islands. Population trends of black ... conjunction with data from a more intensive ten year monitoring program. Survival estimates were also ... conclusive evidence of survival varying over time and it is unlikely that these populations have been ...
Meeting Document : WG-FSA-04/48 : Author(s): A. Terauds, R. Gales and R. Alderman (Australia)
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Recent population estimates and trends in numbers of albatrosses and giant petrels breeding at the sub-Antarctic Prince Edward Islands
remained stable, whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 (3% per ... in 2001 and 2008. Counts of both sooty albatrosses Phoebetria spp. were substantially higher at Prince ... Edward Island in 2008, possibly as a result of better coverage compared to 2001. Dark-mantled sooty ... , whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 (3% per year ...
Meeting Document : WG-EMM-10/P04 : Author(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean
, it would be many millions of dollars greater. Apart from a concern for albatrosses, Japan039;s longline ...
Meeting Document : CCAMLR-IX/BG/17 : Author(s): Delegation of Australia
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Decadal trends in abundance, size and condition of Antarctic toothfish in McMurdo Sound, Antarctica, 1972–2011
the large individuals. CPUE was constant through 2001 and then decreased dramatically. We hypothesize ... the large individuals. CPUE was constant through 2001 and then decreased dramatically. We hypothesize ...
Meeting Document : WG-FSA-12/P04 : Author(s): D.G Ainley, N. Nur, J.T Eastman, G. Ballard, C.L Parkinson, C.W Evans and A.L. DeVries
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Fishing and conservation in southern waters
that of demersal fish stocks by an order of magnitude. By contrast with the 1970039;s and 1980039;s, when most ... of the development of fishing in Southern waters during the 1990039;s. Author(s): Delegation of Germany Title ...
Meeting Document : SC-CAMLR-XII/BG/11 : Author(s): Delegation of Germany
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WG-FSA-01
, 8 October 2001 to Friday, 19 October 2001 Submissions Due: Monday, 24 September 2001 Meeting documents Doc ... Number Title WG-FSA-01/1 Provisional and Annotated Provisional Agenda for the 2001 Meeting of the Working ... fishing in developing countries (Cape Town, 2–6 April 2001) D.C. Nel and J. Cooper (South Africa) WG-FSA ... – June 2001 Joint submission by the United Kingdom and the Republic of Korea WG-FSA-01/32 Distribution ...
Meeting
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longline
situations reported elsewhere in the world. In addition to providing methodology insights that could be used ... depredated resource can be especially challenging when depredation occurs on fish in the marine environment ... depredated hooks. From this difference and using the fishing effort (number of hooks), we estimated that 575 ... ± 35 t and 739 ± 87 t of Patagonian toothfish were respectively depredated by killer whales and sperm ...
Meeting Document : WG-FSA-14/10 : Author(s): N. Gasco, P. Tixier, G. Duhamel and C. Guinet (France)
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
in August. Killer whale interactions appear to be more consistent with no obvious pattern between months ... towards the end of the season in August. Killer whale interactions appear to be more consistent ... being pre- dominantly made up of squid (Santos et al., 2001; Clarke and Pascoe, 1997; Clarke, 1996 ... of the season with the sightings becoming fewer towards the end of the season in August. Killer whale ... , depredation has been estimated since 2001. Standardised CPUE indices are adjusted accord- ing to estimated ... levels of depredation, which have varied from year to year since 2001 (SC-CAMLR, 2007a). Currently only ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Author(s): Moir Clark, J. and D.J. Agnew
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Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (Subarea 88.1)
by bottom longline in the Ross Sea during the 2001 and 2002 fishing seasons was analysed (3 937 and 5 426 ... stomachs examined respectively). Fish sampled in 2001 were caught at depths of 317 to 2 154 m and ranged ... m and ranged from 62 to 197 cm TL. A high proportion of stomachs were empty (34% in 2001 and 49% in 2002 ... difficult. Fish were the most important prey category (% F = 86 in 2001 and % F = 77 in 2002), in particular ... longline in the Ross Sea during the 2001 and 2002 fi shing seasons was analysed (3 937 and 5 426 stomachs ... examined respectively). Fish sampled in 2001 were caught at depths of 317 to 2 154 m and ranged from 58 ... from 62 to 197 cm TL. A high proportion of stomachs were empty (34% in 2001 and 49% in 2002 ... cult. Fish were the most important prey category (%F = 86 in 2001 and %F = 77 in 2002), in particular ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 113–123 : Author(s): Fenaughty, J.M., D.W. Stevens and S.M. Hanchet
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2016/17
consistent with previous fishing activities and with the Ross Sea region MPA, was either 3234 t or 3258 t ... were higher than that from the 2015 assessment. This was likely driven by the revised estimates of the ... . Sensitivity runs showed that the results were relatively insensitive to the use of a logistic ogive rather ... than a domed ogive for fishing selectivity. Model runs showed that the data from the Ross Sea Shelf ...
Meeting Document : WG-FSA-17/37 Rev. 1 : Author(s): S. Mormede