Search results
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Uncertainty in green weight estimates from Norwegian krill fishing vessels
Abstract: Uncertainty related to estimates of krill green weight from catches has recently been ... an issue raised repeatedly within CCAMLR for a number of years, resulting in a modification to the C1 ... form implemented for the fleet in 2012. There are at present three Norwegian vessels operating in the ... 50-60 % of the total krill harvest, and reliable uncertainty estimates from these vessels will ...
Meeting Document : WG-EMM-13/41 : Author(s): G. Skaret and T. Knutsen (Norway)
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A bioenergetics model for estimating prey consumption by an Adélie penguin population in east Antarctica
CEMP site at Bechervaise Island using 13 years of data, a year when penguins successfully reared chicks ... , and a year with low breeding success. On the basis of variable breeding success and the proportion of ... krill and fish in their diet, we estimate that this population consumes 78-406 t of krill and 4-46 t of ...
Meeting Document : WG-EMM-16/P10 : Author(s): D. Southwell, L. Emmerson, J. Forcada and C. Southwell
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Some changes observed in Antarctic seabird distribution and behaviour
- Kaliningrad from 1999 November to 2000 April are analyzed. Significant shift of the southern boundary range of ... fact may be explained by abundance fluctuation or shift of the Southern Polar Front to the South ... observed diving for fish and swimming underwater at the depth 1.5 m during 15 seconds. Near South Sandwich ... archipelago very low abundance area of blackbrowed albatross is revealed. The phenomenon may be explained by ...
Meeting Document : WG-EMM-00/36 : Author(s): F. Litvinov (Russia)
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Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2005, Antarctica
, between Rio Gallegos (51°32’S, 69°17’W), Argentina, and Base Esperanza (63°24’S, 56°59’W), at the tip of ... Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...
Meeting Document : WG-EMM-05/17 : Author(s): M. Naganobu and K. Kutsuwada (Japan)
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DEMOGRAPHY OF ANTARCTIC KRILL AND OTHER EUPHAUSIACEA IN THE LAZAREV SEA - LAKRIS THE GERMAN CONTRIBUTION TO CCAMLR-IPY IN SUMMER 2008
contribution to CCAMLR-IPY 2008. At the start of the survey period the entire survey area was completely ... covered with seasonal pack-ice, but rapidly retreating until the end of the survey in late January. 52 ... samples were taken by RMT 8 and RMT 1 along three transects south of 60°S. Krill and other Antarctic ... and seasonal development of maturity stages were analysed. Distribution and density of krill larvae ...
Meeting Document : WG-EMM-08/07 : Author(s): V. Siegel, J. Edinger, M. Haraldsson, K. Stürmer, M. Vortkamp (Germany)
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Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2003, Antarctica
, between Rio Gallegos (51°32’S, 69°17’W), Argentina, and Base Esperanza (63°24’S, 56°59’W), at the tip of ... Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...
Meeting Document : WG-EMM-03/46 : Author(s): M. Naganobu and K. Kutsuwada (Japan)
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Predator trophic hotspots in the Indian sector of the subantarctic Southern Ocean: how do they overlap with marine protected areas?
which are listed at various level of vulnerability by the IUCN and which are monitored by several bio ... Abstract: The Indian sector of the subantarctic region hosts large populations of top predators ... pelagic species of albatross, penguins and pinnipeds. Merging our analysis with previous results, we find ... ) through a bottom up effect. When mapped on jurisdictions, this network of hotspots appears to be only ...
Meeting Document : WS-SM-18/07 : Author(s): M. O’Toole, S. Sergi, A. Baudena, C. Cotté, C. Bost, C. Guinet, H. Weimerskirch, M.A. Hindell, P. Koubbi and F. d’Ovidio
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Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3
fur seal deaths in the fishery. WG-EMM requested the UK to provide further details of the methods ... in the fishery. WG-EMM requested the UK to provide further details of the methods employed for consideration ...
Meeting Document : WG-FSA-04/83 : Author(s): J. Hooper, J.M. Clark, C. Charman and D. Agnew (United Kingdom)
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Small scale krill surveys: simulations based on observed euphausiid distributions
utilising parallel transects set at right angles to the long axis of the aggregations. Calculations based on ... Abstract: An observed distribution of Meganyctiphanes norvegica aggregations is used to examine ... the effects of krill swarm orientation and shape on the success of two proposed survey designs. The ... simulation involves a number of random paths of parallel or radially arranged transects passing through three ...
Meeting Document : WG-KRILL-91/19 : Author(s): D.J. Agnew (Secretariat) and S. Nicol (Australia)
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Sexual ratio of Dissostichus eleginoides from longlines samples: a partial indicator of reproductive migration in Subarea 48.3
males at size of first maturity join the female population. After the first week of June, the sex ratio ... Abstract: The examination of the sexual ratio of D. eleginoides between the first week of March ... and the third week of July 1996, in the subarea 48.3 shows that the sex ratio departs from the ... turns back to a higher number of females. Because the longline remains most of the time close to the ...
Meeting Document : WG-FSA-96/44 : Author(s): Moreno, C.A., Guerra, J., Zuleta, A.