Resultados de la búsqueda
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Impacts of rising sea temperature on krill increase risks for predators in the Scotia Sea
minimally realistic ecosystem model to examine how projected effects of ocean warming on the growth of ... effects of ocean warming on krill biomass were strongest in the northern Scotia Sea, with a ≥ 40% decline ... offset the increased risks associated with ocean warming in our model to some extent. These results ... management to avoid aggravating risks associated with rising ocean temperatures. This may help balance ...
Meeting Document : WG-EMM-18/P02 : Autor(es): E.S. Klein, S.L. Hill, J.T. Hinke, T. Phillips and G.M. Watters
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Modelling growth of Antarctic krill: a new approach to describing the growth trajectory
from the Indian Ocean sector we model IGR as a function of pre-moult length and season using linear ... Ocean sector was close to 53 mm compared to 57 mm obtained from studies for the Atlantic Ocean sector ...
Meeting Document : WG-EMM-05/27 : Autor(es): S. Candy and S. Kawaguchi (Australia)
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Preliminary investigations into a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea Region
modelling of the populations in the southern ASR (88.2C-G) and the northern ASR (88.2H), as well as ... the northern ASR were able to be discerned, the biomass in the southern ASR and the associated ... represent 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 ...
Meeting Document : WG-FSA-14/57 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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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 ... phytoplankton in the upper ocean. Author(s): United States of America Title: Distribution of phytoplankton in ...
Meeting Document : SC-CAMLR-VII/BG/26 : Autor(es): United States of America
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ON THE STRATOSPHERE OZONE DISTRIBUTION ASYMMETRY POSSIBLE IMPACT ON KRILL BASED ECOSYSTEM
the ozone distribution asymmetry influence over South Ocean is discussed. The existence of the ... South Ocean ecosystem food chain, especially in primary level. The quasi-stationary minimum in ozone ... available data of phytoplankton distribution in South Ocean in 1997-2007 and the fine-scale catch and effort ...
Meeting Document : WG-EMM-09/36 : Autor(es): G. Milinevsky (Ukraine)
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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 ... numbers of macaroni and southern rockhopper penguins at Marion Island decreased by about 30% and 70 ... decreases of macaroni and rockhopper 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 ...
Meeting Document : WG-EMM-10/P1 : Autor(es): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper
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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 as the ... the fishery has increased each year due to factors related to the experience of the Top Ocean ...
Meeting Document : WG-EMM-02/18 : Autor(es): C.D. Jones and M. Hull (USA)
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Interaction of sperm whales with bottom longline and the Mammal and Bird Excluding Device (MBED) operation in the Patagonian toothfish (Dissostichus eleginoides) fishery in the southwestern Atlantic
in the southern zone (latitude 50º 00’ S) at an average depth of-1282 m. 57.2% of the total number of ... estimated fishing yields of northern and southern zones were 11.05 kg/hour and 15.53 kg/hour respectively ... , using the MBED and with sperm whales effective predation. In the southern zone the fishing yield ... remarkable abundance of the southern black-browed albatross (Thalassarche melanophrys) and cape petrel ...
Meeting Document : WG-FSA-07/23 : Autor(es): O. Pin and E. Rojas (Uruguay)
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Proposal for an extension to the mark recapture experiment to estimate toothfish population size in Subarea 48.4
southern area of Subarea 48.4. This has the aims of providing the data required for assessments of the ... the southern area of 48.4. 5. A catch limit of 75 tonnes is proposed for D. eleginoides the northern ... for D. eleginoides and D. mawsoni in the southern area. 6. It is proposed that catch limits are ... the catch limit for Dissostichus species. In the Southern Area, catches taken at these proportions ...
Meeting Document : WG-FSA-08/46 : Autor(es): 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 ... numbers of macaroni and southern rockhopper penguins at Marion Island decreased by about 30% and 70 ... decreases of macaroni and rockhopper 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 ...
Meeting Document : WG-EMM-10/P01 : Autor(es): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper