Search results
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Swimming speed and allocation of time during the dive cycle of Antarctic fur seals
than was exhibited by animals when swimming at the surface. Swimming speeds were fastest during the ... duration and was influenced by diving swimming speed. This relationship was, on average, close to that ... predicted by a model (Houston & Carbone, Behav. Ecol., 3, 255-265) which suggested that the metabolic ...
Meeting Document : WG-EMM-95/25 : Author(s): Bevan, R.M., Boyd, I.L., Reid, K.
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Diving pattern and performance in nonbreeding gentoo penguins (Pygoscelis papua) during winter
were followed by surface intervals two to three times dive duration. Deep dives showed clear diel ... in Gentoo Penguins is changed by varying the frequency and duration of foraging trips, rather than by ...
Meeting Document : WG-CEMP-92/37 : Author(s): T.D. Williams (United Kingdom), A. Kato (Japan), J.P. Croxall (United Kingdom), Y. Naito (Japan), D.R. Briggs, S. Rodwell and T.R. Barton (United Kingdom)
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Progress towards a trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery
(mainly respiration) exceeding primary production by 7%. However, individual groups are generally not ... predators (especially Weddell seal, type-C killer whale, sperm whale) cannot be tested reliably by the ... or planned by New Zealand scientists in the Ross Sea, are given. Author(s): M. Pinkerton, S. Hanchet ...
Meeting Document : WG-EMM-06/14 : Author(s): M. Pinkerton, S. Hanchet and J. Bradford-Grieve (New Zealand)
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Developing integrated assessments for Dissostichus eleginoides based on the CCAMLR precautionary approach
first is the integrated assessment, undertaken external to the GYM by software such as CASAL. The second ... the precautionary approach used by WG-FSA. It is recommended that this approach be implemented for use ... by WG-FSA at its next meeting. Author(s): I. Ball and A.J. Constable (Australia) Title: Developing ...
Meeting Document : WG-FSA-SAM-05/16 : Author(s): I. Ball and A.J. Constable (Australia)
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An interlaboratory comparison of ages estimated for Dissostichus eleginoides from the Argentine Sea, southwest Atlantic Ocean
124 fishes caughts in Argentine Sea (South West Atlantic) Ages were estimated by readers from National ... Atlantic, the waters south of New Zealand, and CCAMLR subarea 48.3. The comparisons of age data produced by ... R1 and R3, and between scales and otoliths by R1 and R3. Clearly, there are differences between these ...
Meeting Document : WG-FSA-04/45 : Author(s): M.C. Cassia (Argentina), P.L. Horn (New Zealand) and J.R. Ashford (USA)
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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
. This initial comparison was somewhat confounded by the depth of the grounds fished by the trawl and ... for a more comprehensive comparison, and to sample greater depths that fished by the long line ...
Meeting Document : WG-FSA-03/33 : Author(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)
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The Generalised Yield Model version 5: structure, specifications and examples for validation
the Krill Yield Model, which was based on the method for evaluating yield developed by Beddington & ... catches set by a proportion of an estimate of pre-exploitation biomass (as in krill), a specified catch in ... alternative functions. Finally, some examples are presented to show how the GYM can be validated by the user ...
Meeting Document : WG-FSA-SAM 03/14 : Author(s): A. Constable (Australia)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1998 winter and 1998/99 pup-rearing season
records started. Two animals (15 %) were entangled in polypropylene straps, down by 50 % on the 1997 ... %) was down by half on the previous summer and represents the lowest adult total recorded. The proportion ... highest total of 1988/89. Overall occurrence of entanglement in summer and winter is still down by 80-90 ...
Meeting Document : SC-CAMLR-XVIII/BG/05 : Author(s): Delegation of the United Kingdom
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The ‘CAML/SCAR-MarBIN Biogeographic Atlas of the Southern Ocean’
extensive biodiversity exploration and assessment by the Census of Antarctic Marine Life (www.caml.aq), with ... of biogeographic data by the SCAR-Marine Biodiversity Information Network (www.scarmarbin.be), a new ... extended by a dynamic online version on the SCAR-MarBIN portal. Contacts: co-chief editors: Dr Claude De ...
Meeting Document : WS-MPA-11/15 : Author(s): C. De Broyer (Belgium) and P. Koubbi (France)
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GROUNDFISH SURVEY IN CCAMLR SUB-AREA 48.3 IN APRIL 2008 WITH PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH
of 30,050. Catch-weighted length frequencies indicated that icefish population was dominated by 2 ... tonnes in Years 1 & 2 respectively. The Patagonian toothfish population was dominated by the same ... cohort that has been detected by surveys since 2003, with no evidence of new recruitment since. Biomass ...
Meeting Document : WG-FSA-08/28 : Author(s): M.A. Collins, R.E. Mitchell, C.E. Main, J. Lawson, J. Watts, J. Slakowski, L. Featherstone and O. Rzewuski (UK)