Search results
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Distribution, biomass and abundance of Antarctic krill in the vicinity of Elephant Island during the 1996 austral summer
during the 1996 austral summer indicate very good krill recruitment from spawning in 1994/5. Areas ... of high krill density were mapped north of King George and Elephant Islands where water depth was greater ... than 200m. One-year old juvenile krill numerically dominated catches during the first survey in January ... adult krill were caught during both surveys north of the islands, but were numerically dominate only ...
Meeting Document : WG-EMM-96/23 : Author(s): Demer, D.A., Hewitt, R.P., Loeb, V.
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Correspondence between the Convener of the Working Group for the Development of Approaches to Conservation of Antarctic Marine Living Resources and the Chairman of the Scientific Committee
to Conservation of Antarctic Marine Living Resources and the Chairman of the Scientific Committee Approval ... to Conservation of Antarctic Marine Living Resources and the Chairman of the Scientific Committee ...
Meeting Document : WG-KRILL-89/07
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Patterns and processes in the distribution and dynamics of Antarctic krill
of the distribution and dynamics of Antarctic krill population at various spatial and temporal scales. We suggest ... that models of increasing complexity be developed iteratively for variability and patchiness of krill ... abundance. Incremental models should then be compared to statistical descriptions of the observed ... distribution patterns at various scales of observation to ascertain the plausibility of the model and identify ...
Meeting Document : SC-CAMLR-VII/BG/20 : Author(s): United States of America
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Modelling the dynamics of krill populations in the Antarctic Peninsula region
of krill and estimate the expected mortality rates. A number of models of the population dynamics of krill ... are used to assess to what extent they can explain the observed changes in the density of the population ... %) and the long-term trajectories of density estimated by the models give a relatively poor fit to the observed ... of between 0.8-1.0 (59-63%) and produced better fits to the observed density changes. The need for caution ...
Meeting Document : WG-EMM-99/56 : Author(s): E.J. Murphy (United Kingdom), A. Constable (Australia) and D. Agnew (United Kingdom)
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How precautionary is the policy governing the Ross Sea Antarctic toothfish (Dissostichus mawsoni) fishery?
on the potential errors of population forecasts. Current scientific knowledge is far from what is needed to predict ... precautionary is the policy governing the Ross Sea Antarctic toothfish (Dissostichus mawsoni) fishery? Approval ... of population forecasts. Current scientific knowledge is far from what is needed to predict the likely effects ... ) fishery? ...
Meeting Document : WG-FSA-13/P02 : Author(s): P.A. Abrams
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Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia
relates maximum observed age to natural mortality. In this case we used M = 0.13, which is the value ... years calculated from Taylor's formulae which relates maximum observed age to natural mortality ... by Argentinian scientific observers on board Chilean bottom longliners operating within Subarea 48.3 during ... SOUTH GEORGIA M.C. Cassia National Fishery Research and Development Institute Casilla de Correo 175 ... observed age to natural mortality. In this case we used M = 0.13, which is the value recommended ... rapport l'age maximum observe et la mortalite naturelle. Dans ce cas nous avons utilise M = 0,13, valeur ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Author(s): Cassia, M.C
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Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys
document examine les contraintes qu'imposent de telles prospections et indique brievement quelques types ... of these parameters is dependent on information being available on the availability of krill to the predators either ... parameters require information on the availability of krill in an undefined region during a poorly ... surveys of krill abundance. b. Survey Area During the chick and pup rearing periods the predators ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Author(s): Everson, I.
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WG-KRILL-93
Group on Krill WG-KRILL-93/02 List of participants WG-KRILL-93/03 List of documents WG-KRILL-93/04 ... ) and T. K. Stanton (USA) WG-KRILL-93/07 An assessment of the impact of krill fishery on penguins in the South ... model of krill fishery behaviour in Subarea 48.1 D.J. Agnew (Secretariat) WG-KRILL-93/15 Trophic ecology ... Full Name: Working Group on Krill Location: Tokyo, Japan Date(s): Wednesday, 4 August 1993 ...
Meeting
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Seasonal variation in acoustic estimates of krill density at South Georgia during 2001/2002
Abstract: Four separate acoustic surveys of Antarctic krill (Euphausia superba) were conducted ... (middle), and one in May 2002 (late). The surveys were the second in a five-year series of observations ... Antarctic Survey regularly since 1996. Krill density in November was low (5 g m-2), higher in both the two ... at South Georgia have revealed a similar pattern of change to that observed in 2000/2001 and highlight ...
Meeting Document : WG-EMM-02/39 : Author(s): C. Goss, S.A. Grant, N. Cunningham, J.L. Watkins, P.N. Trathan, E. Murphy and K. Reid (United Kingdom)
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Fishery Report 2016: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)
Description / Abstract: Fishery Report 2016: Dissostichus eleginoides Crozet Island French EEZ ... Fishery Report 2016: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6) ... Fishery Report 2016: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6) ... of International Scientific Observation. In longline fisheries targeting D. eleginoides, biological data ... vessel must carry a scientific observer and must offload its catch only at Réunion Island. In 2016 ... Areas designated in the French EEZ. Fishery observers have protocols to collect information about ... LAYOUT OF CCAMLR DOCUMENTS AND REPORTS FI ...
Document : Site Section: Publications