Search results
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Distribution of phytoplankton in the mixed layer: implication of krill abundance
Abstract: The vertical trajectory of phytoplankton in the Antarctic ocean is modelled as a random ... of phytoplankton in the upper ocean. Author(s): United States of America Title: Distribution of phytoplankton ... The vertical trajectory of phytoplankton in the Antarctic ocean is modelled as a random walk ... , but diffusion is large enough to effect the vertical distribution of phytoplankton in the upper ocean. ...
Meeting Document : SC-CAMLR-VII/BG/26 : Author(s): United States of America
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A RISK MANAGEMENT FRAMEWORK FOR AVOIDING SIGNIFICANT ADVERSE IMPACTS OF BOTTOM FISHING GEAR ON VULNERABLE MARINE ECOSYSTEMS
Abstract: CCAMLR adopted a new conservation measure in 2007 (CM 22-06) to ensure that significant ... for VME-forming organisms, gear modification or spatial distribution of fishing effort. (4). Review. All ... CCAMLR adopted a new conservation measure in 2007 (CM 22-06) to ensure that significant adverse ... organisms, gear modification or spatial distribution of fishing effort. (4). Review. All of the above steps ...
Meeting Document : WG-FSA-08/64 : Author(s): K. Martin-Smith (Australia)
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Algunos aspectos biologicos relevantes a la explotacion de la merluza negra (Dissostichus eleginoides Smitt, 1898) en la zona economica exclusiva argentina y sector oceanico adyacente
, longline or trawl operation fishing is recommended starting from 900 meters depths, in the southern area ... , South of 54°S and 1000 m in 38°S to 48°S and to assume a conservative position of 1000m for all the area ... , longline or trawl operation fishing is recommended starting from 900 meters depths, in the southern area ... , South of 54°S and 1000 m in 38°S to 48°S and to assume a conservative position of 1000m for all the area. ...
Meeting Document : WG-FSA-97/49 : Author(s): Almeyda, S.M., Prenski, L.B.
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ON THE STRATOSPHERE OZONE DISTRIBUTION ASYMMETRY POSSIBLE IMPACT ON KRILL BASED ECOSYSTEM
of the ozone distribution asymmetry influence over South Ocean is discussed. The existence of the considerable ... asymmetry in total ozone distribution and its long-term spatial changes should impact to South Ocean ... of phytoplankton distribution in South Ocean in 1997-2007 and the fine-scale catch and effort data (C1 data) from ... distribution asymmetry influence over South Ocean is discussed. The existence of the considerable zonal ...
Meeting Document : WG-EMM-09/36 : Author(s): G. Milinevsky (Ukraine)
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OCEANIC CIRCUMPOLAR HABITATS OF ANTARCTIC KRILL
are abundant over both shelf and ocean. At the Antarctic Peninsula, by contrast, they are found mainly over ... the inner shelf whereas in the Indian-Pacific sectors krill prevail in the ocean within 200-300 km ... of the shelf break. Overall, 87% of the total stock live over deep oceanic water (>2000 m) and krill occupy ... of the ACC as the season progressed. The retention of krill in moderately productive oceanic habitats ...
Meeting Document : WG-EMM-08/P04 - Abstract : Author(s): A. Atkinson, V. Siegel, E. A. Pakhomov, P. Rothery, V. Loeb, R.M. Ross, L.B. Quetin, K. Schmidt, P. Fretwell, E.J. Murphy, G.A. Tarling and A.H. Fleming
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The US commercial krill fishery in Area 48: development, fishing patterns, and decision making
Abstract: A U.S. flagged commercial factory trawler, the Top Ocean, started fishing operations ... Ocean had no prior experience fishing for krill, anecdotal and historical information served ... increased each year due to factors related to the experience of the Top Ocean. Increasing catch rates ... A U.S. flagged commercial factory trawler, the Top Ocean, started fishing operations for krill ...
Meeting Document : WG-EMM-02/18 : Author(s): C.D. Jones and M. Hull (USA)
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Preliminary investigations into a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea Region
the modelling of the populations in the southern ASR (88.2C-G) and the northern ASR (88.2H), as well ... the northern ASR were able to be discerned, the biomass in the southern ASR and the associated proportion ... the initial biomass in the southern ASR and the proportion of that biomass moving north were highly correlated ... , with little data to inform estimation of biomass in the southern ASR. As a result, estimates of the biomass ...
Meeting Document : WG-FSA-14/57 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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SOME FIELD MATERIALS ON AREA AND SEASON OF ANTARCTIC TOOTHFISH SPAWNING
to select locations and periods of Antarctic toothfish mass spawning in some areas of the Pacific Ocean ... and Indian Ocean sectors of the Antarctic. In the Ross Sea area the most probable areas are the Pacific ... to select locations and periods of Antarctic toothfish mass spawning in some areas of the Pacific Ocean ... and Indian Ocean sectors of the Antarctic. In the Ross Sea area the most probable areas are the Pacific ...
Meeting Document : WG-FSA-08/14 : Author(s): V. Prutko (Ukraine)
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Proposal for an extension to the mark recapture experiment to estimate toothfish population size in Subarea 48.4
in the Northern in 2009. 4. Additionally, the UK proposes to commence a mark-recapture experiment in the southern ... in the southern area of 48.4. 5. A catch limit of 75 tonnes is proposed for D. eleginoides the northern area ... for D. eleginoides and D. mawsoni in the southern area. 6. It is proposed that catch limits are introduced ... limit for Dissostichus species. In the Southern Area, catches taken at these proportions would trigger ...
Meeting Document : WG-FSA-08/46 : Author(s): J. Roberts and D. J. Agnew (UK)
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RECENT TRENDS IN NUMBERS OF FOUR SPECIES OF PENGUINS AT THE PRINCE EDWARD ISLANDS
and southern rockhopper penguin E. chrysocome. In December 2008 it was estimated that some 65 000 pairs of king ... and southern rockhopper penguins at Marion Island decreased by about 30% and 70%, respectively. In 2008/09 ... penguins. In 2008/09, some 42 000 pairs of southern rockhopper penguins bred at Marion Island and 12 000 ... pairs of macaroni penguins and 38 000 pairs of southern rockhopper penguins at Prince Edward Island ...
Meeting Document : WG-EMM-10/P1 : Author(s): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper