Search results
-
Evaluation on the performance of echosounder on a fishing vessel using maximum seabed backscattering
inter-annual difference of the mean value of the maximum seabed backscattering (S v, dB) for single ping ... -annual difference of the mean value of the maximum seabed backscattering (Sv, dB) for single ping were ...
Meeting Document : SG-ASAM-18/06 : Author(s): X. Wang, X. Yu and X. Zhao
-
THE RISK TO FISHERY PERFORMANCE ASSOCIATED WITH SPATIALLY RESOLVED MANAGEMENT OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) HARVESTING
survey was predicted by both bathymetry and the mean krill density at the larger scale at which ... was predicted by both bathymetry and the mean krill density at the larger scale at which the fishery is managed ...
Meeting Document : WG-EMM-09/P10 : Author(s): S. Hill, P. Trathan and D. Agnew
-
Review of the 2007 budget, draft 2008 budget and forecast budget for 2009
surplus includes an unbudgeted, half-year New Member Contribution of A$53 312 in respect of the People’s ... Republic of China, which applied to become a member of the Commission in July 2007. General Services Staff ... salary increases in 2007 amounted to 6.5%, but part of this is offset by an increase in the Staff ... as a proportion of total income as the result of reductions in the Australian Taxation Rates. With ...
Meeting Document : CCAMLR-XXVI/04 : Author(s): Executive Secretary
-
The breeding biology and distribution of Adelie penguins: adaptations to environmental variability
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 ... each is within several hundred kilometers of predictable pack ice areas in the Weddell and ...
Meeting Document : WG-EMM-96/58 : Author(s): Fraser, W.R., Trivelpiece, W.Z.
-
Review of the 2005 budget, draft 2006 budget and forecast budget for 2007
result in some one-off expenditures which cannot be quantified accurately at the time of preparing this ... budget. General Services Staff salary increases in 2004 also had the effect of an increase in the Staff ... budgetary implications of implementing the C-VMS in that contributions will increase beyond zero real growth ... receipt and payments have been ignored in the preparation of the review of the 2005 Budget, the 2006 Draft ...
Meeting Document : CCAMLR-XXIV/04 : Author(s): Executive Secretary
-
Developing research on Antarctic krill to facilitate the development and updating of feedback management procedures
Abstract: Antarctic krill fisheries have the potential to be in the top 10 fisheries of the world ... in terms of biomass production. The expansion of the fishery from current levels appears inevitable ... 2002-2004. Since that time, there have been shifts in the behaviour and methods of the krill fishery ... remain a number of major gaps in our understanding of the basic biology and dynamics of krill populations ...
Meeting Document : WG-EMM-13/12 : Author(s): E.J. Murphy, R.D. Cavanagh (United Kingdom), A. Constable (Australia), E.H. Hofmann (USA), S.L. Hill, N.M. Johnston, P.N. Trathan and J.L. Watkins (United Kingdom)
-
Estimation of the fishery–krill–predator overlap
the level of overlap in recent years (1995-98) than estimated with either the catch in the CPD or the ... small difference in the values of the Agnew-Phegan and Schroeder indices, but had little influence on ... inter-annual trends. Increasing the level of resolution of the model, and in particular the spatial ... resolution, resulted in lower overlap between the krill fishery and the krill predators, and lower values of ...
Meeting Document : WG-EMM-99/11 : Author(s): Secretariat
-
Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
high, in the range 100-300 g/m 2 based on the 120 kHz recordings, and a total estimated biomass of ca ... . 8 million tons of krill within the stratum in the peak year 2014. There were also consistently ... canyons. In 2012, and particularly in 2015, low proportions of the acoustic backscatter were allocated to ... Institute of Marine research, Norway near the South Orkney Islands since 2011. The survey has been conducted ...
Meeting Document : WG-EMM-15/54 : Author(s): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)
-
Cephalopod diet of the southern elephant seal (Mirounga leonina) at King George Island, South Shetland Islands
Abstract: In the austral summer of 1995/96, 25 southern elephant seals, Mirounga leonina, were ... present in 72% of the individuals sampled (n=18). Seven species of squid and 3 of octopus were identified ... . Overall, the squid species Psychroteuthis glacialis was by far the most important prey in terms of numbers ... (77%), biomass (80.8%) and frequency of occurrence (94.4%). Next in importance in terms of mass in the ...
Meeting Document : WG-EMM-99/13 : Author(s): G.A. Daneri, A.R. Carlini (Argentina) and P.G.K. Rodhouse (United Kingdom)
-
Diet and feeding ecology of the diving petrels Pelecanoides georgicus and P. urinatrix at South Georgia
Bird Island, South Georgia. The diet of both species was dominated by crustaceans. in particular ... crustaceans in the diet of P. georgicus. and copepods, which contributed 71 % of the biomass of crustaceans in ... the diet of P. urinatrix. Calanoides acutus was the most numerous copepod in the diet of both species ... in the diet of P. georgicus, Primo macropa, was absent from the diet of Pelecanoides urinatrix, in ...
Meeting Document : WG-EMM-97/10 : Author(s): Croxall, J.P., Prince, P.A., Hill, H.J., Edwards, T.M., Reid, K.