Search results
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Advances in the use of airborne aerial survey techniques to estimate krill-eating penguin populations in Area 48
over the coming years and we will provide similar updates at regular intervals. Author(s): P.N.Trathan ... the coming years and we will provide similar updates at regular intervals. ...
Meeting Document : WG-EMM-14/05 : Author(s): P.N.Trathan, A.J. Fox, N. Ratcliff and P.T. Fretwell (United Kingdom)
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Milk consumption and growth efficiency in Antarctic fur seal (Arctocephalus gazella) pups
the sexes in any year. Both per-bout and per-day milk consumption increased steadily with age before ... decreasing significantly in the last 30-40 days of lactation. Per-bout milk consumption was positively ... the sexes in any year. Both per-bout and per-day milk consumption increased steadily with age before ... decreasing significantly in the last 30-40 days of lactation. Per-bout milk consumption was positively ...
Meeting Document : WG-EMM-97/11 : Author(s): Socha, D.G., Arnould, J.P.Y., Boyd, I.L.
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Acoustic data analysis and models of krill spatial distribution
biomass estimate. The wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales ... estimate. The wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales smaller ...
Meeting Document : SC-CAMLR-VII/BG/25 : Author(s): United States of America
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Report of the South Georgia groundfish survey (Subarea 48.3) in January 2006
of 20-25 cm (putative 2+), but unusually large numbers of fish of ~ 50 cm were also caught ... produced biomass estimates of between 91000 and 117000 tonnes. The catches were dominated by fish of 20-25 ...
Meeting Document : WG-FSA-06/51 : Author(s): M.A. Collins, C. Jones, J. Clark. S. Fielding, J. Slakowski, T. North, W. Reid and J. Watts (United Kingdom)
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On the possibility of practical utilisation of krill target strength TS in situ obtained on the basis of EK-500 measurements
significantly lower (20-25%) those obtained from catch analysis. Utilization of trawl and acoustic methods ... significant). Besides, krill length estimates, obtained with acoustic method, were significantly lower (20-25 ...
Meeting Document : WG-EMM-98/19 : Author(s): S.M. Kasatkina (Russia)
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Candidate baseline data for ecosystem indicators in the Ross Sea region. Part A: Brief presentation of data
by the Scientific Committee (SC-CAMLR-XXXVI/20). The Plan identifies research questions that aim to facilitate ... by the Scientific Committee (SC-CAMLR-XXXVI/20). The Plan identifies research questions that aim to facilitate ...
Meeting Document : SC-CAMLR-XXXVII/11 : Author(s): Delegation of the USA
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Stomach contents of sub-adult Antarctic toothfish (Dissostichus mawsoni) from the western Ross Sea, Antarctica
(Muraenolepididae) were also important. Glacial squid (Psychroteuthis glacialis) were found in about 20% of stomachs ... also important. Glacial squid (Psychroteuthis glacialis) were found in about 20% of stomachs, but only ...
Meeting Document : WG-FSA-06/27 : Author(s): D.W. Stevens (New Zealand)
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Report on the survey in Subarea 48.2 in 2015–2017
Abstract: The three years of survey and observations of Dissostichus spp. in statistical Subarea ... The three years of survey and observations of Dissostichus spp. in statistical Subarea 48.2 ...
Meeting Document : WG-FSA-17/43 : Author(s): Delegation of Ukraine
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Updated assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet Islands (Subarea 58.6)
recent ones (Sinègre & Duhamel, 2016) with an updating of input data from the more recent years (up ... (Sinègre & Duhamel, 2016) with an updating of input data from the more recent years (up ...
Meeting Document : WG-FSA-17/59 : Author(s): R. Sinegre, G. Duhamel and J.B. Lecomte
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Investigating the uncertainty of age determinations for Patagonian toothfish (Dissostichus eleginoides) and the implications for stock assessment
of the matrix and a lack of smoothness in the probabilities for ages above 25 years. Positive errors now ... expanded the reference collection to include an additional 50 otoliths with a mean age above 25 years ... from the expanded reference collection. We then used estimates of spawning stock biomass (SSB) and year ... method were between the other two methods in terms of year to year variability and precision. The poor ...
Meeting Document : WG-FSA-14/46 : Author(s): P. Burch, P. Ziegler, W. de la Mare and D. Welsford (Australia)