Search results
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Proposal for a winter longline survey of Antarctic toothfish in Subarea 88.1 SSRUs B–C in 2016
to and from the spawning grounds through an analysis of length and age composition of the catch, sex ratio ... to and from the spawning grounds through an analysis of length and age composition of the catch, sex ratio ...
Meeting Document : WG-SAM-15/47 : Author(s): S.J. Parker, S.M. Hanchet and R.J.C. Currey (New Zealand)
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Factors to consider in developing management measures for krill
Abstract: A brief review of the objectives of the Convention for the Conservation of Antarctic ... A brief review of the objectives of the Convention for the Conservation of Antarctic Marine Living ...
Meeting Document : WG-KRILL-90/14 : Author(s): W.K. de la Mare (Australia)
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An experimental approach for the Antarctic krill fishery: advancing management and conservation through the use of Krill Reference Areas and Krill Fishing Areas
Abstract: We review reasons why the fishery for Antarctic krill is challenging to manage ... is mainly associated with penguin research. We identify a number of treatments based on seasonal, or year ... We review reasons why the fishery for Antarctic krill is challenging to manage and consider ways ... research. We identify a number of treatments based on seasonal, or year round closures, and highlight how ...
Meeting Document : WS-SM-18/05 : Author(s): P.N Trathan and O.R. Godø
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CONVENORS’ REPORT OF THE WG-IMAF WORKSHOP
, Australia on 10th October 2008 to review the future of the ad hoc WG-IMAF. The workshop briefly reviewed ... be kept under annual review; and o medium term functions for WG-IMAF to address as possible. Author ... on 10th October 2008 to review the future of the ad hoc WG-IMAF. The workshop briefly reviewed the history ... be kept under annual review; and o medium term functions for WG-IMAF to address as possible. ...
Meeting Document : WG-FSA-08/65 : Author(s): K. Rivera and N. Smith (Co-conveners of ad hoc WG-IMAF)
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Preliminary results from CEMP monitoring of Antarctic fur seals, chinstrap penguins and macaroni penguins at Bouvetøya 1996/97
since the last count in 1989/90. The population of Macaroni Penguins has shown a more moderate decline ... since the last count in 1989/90. The population of Macaroni Penguins has shown a more moderate decline ...
Meeting Document : WG-EMM-97/20 : Author(s): Hofmeyr, G.J.G., Dyer, B.M., Næstvold, A., Mehlum, F., Gjertz, I., Bakken, V., Isaksen, K., Huyser, O.
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The diet of Antarctic fur seals, Arctocephalus gazella, at King George Island, during the summer–autumn period
), followed by Cephalopods (12%). Myctophids constituted almost 90% of the fish predated, being Electrona ... by Cephalopods (12%). Myctophids constituted almost 90% of the fish predated, being Electrona antarctica ...
Meeting Document : WG-EMM-04/4 : Author(s): G.A. Daneri, A.R. Carlini, C.M. Hernandez and A. Harrington (Argentina)
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Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey
by short (5 rain) travel durations. In a study lasting 5 years, the distributions of travel durations ... between bouts of feeding changed between years. These changes suggested either that the structure ... and/or the spatial distribution of krill swarms varied between years. The behavior of fur seals suggested ... -scale level. Only in one year of the study (1990/91) were there indications that fur seals had ...
Meeting Document : WG-EMM-95/23 : Author(s): Boyd, I.L.
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Investigating emigration in stock assessment models of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H
of tagged fish with few being recaptured after more than 3 years at liberty, a steepening of the decay rate ... that includes both tagged and untagged fish), but requires a significant amount of immigration each year ... have developed models for (i) SSRU 88.2H using tag recaptures from 1 year at liberty; (ii) SSRU 88.2H ... using tag recaptures from 3 years at liberty; (iii) SSRUs 88.2C-H using tag recaptures from 1 year ...
Meeting Document : WG-FSA-14/56 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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On the intensity of sampling krill trawl catches
of the desired biological characteristics which the Group wishes to discern (e.g. length-with-age). At present ... of the desired biological characteristics which the Group wishes to discern (e.g. length-with-age). At present ... to collect maturity stage information. * For most purposes a minimum sample size of at least 100 animals ... to collect maturity stage information. * For most purposes a minimum sample size of at least 100 animals ...
Meeting Document : WG-KRILL-90/27 : Author(s): D.G.M. Miller (South Africa)
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Results of the sixth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, January 2017
abundance and age structure, and are providing a reliable means of monitoring recruitment, estimating ... are indexing local abundance and age structure, and are providing a reliable means of monitoring recruitment ... frequencies for the core strata indicate the progression of a strong year class that appears in 2012 ... progressing through each year, with the appearance of a second strong cohort in 2015. The decline in relative ...
Meeting Document : WG-SAM-17/01 : Author(s): K. Large, L. Robinson and S. Parker