Résultats de la recherche
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Integrated environment–prey–predator interactions off South Georgia: implications for management of fisheries
local productivity, leads to relatively large concentrations of krill (Euphausia superba) in the region ... approaches to management. The current system for managing krill harvests includes precautionary features that ... account for interannual variability in krill populations and the food requirements of natural predators ... . However, in future it may be possible to use information from the natural krill predators to set ...
Meeting Document : WG-EMM-01/27 : Auteur(s): I.L. Boyd (United Kingdom)
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Consideration of major issues in ecosystem monitoring and management
in the Krill Yield Model (KYM). Smaller-scale interactions centre around three main categories: the ... availability of krill, variation in vital rates of the dependent species and the overlap between commercial ... within which to investigate krill availability. Vital rates can be investigated directly and also by ... cult to estimate age directly, experiments El modelo de rendimiento de kril (KYM) toma en cuenta las ... : la disponibilidad de kril, la variación de las tasas vitales de las especies dependientes y el área ... para investigar la disponibilidad de kril. Las tasas vitales pueden estudiarse directamente y también ... populations vary naturally. Large-scale interactions are catered for in the Krill Yield Model (KYM ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Auteur(s): Everson, I
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Fishing and conservation in southern waters
Abstract: Fishing in the Southern Ocean commenced on finfish in 1969/70 and on krill in 1972/73 ... . The krill catch from the Southern Ocean has been 4.9 million tonnes to date. More than 90 % of this ... potential for direct competition between krill fisheries and krill-dependent predators. Potential impacts of ... krill and finfishing on the ecosystems of the Southern Ocean range from endangering recruitment due to ...
Meeting Document : SC-CAMLR-XII/BG/11 : Auteur(s): Delegation of Germany
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e-sc-xxii-a4.pdf
... by the Scientific Committee ............................. 148 STATUS AND TRENDS IN THE KRILL ... ....................................................................... 153 Estimation of Krill Density from Commercial Trawls ............................... 154 ... Questionnaire on Krill Fishing Strategies ............................................. 154 Regulatory Issues ... ........................................................................... 154 Scheme of International Scientific Observation ...................................... 154 Krill
application/pdf attached to:WG-EMM-03Meeting Report : WG-EMM-03
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e-sc-xxx-a04.pdf
... ...................................... 124 THE KRILL-CENTRIC ECOSYSTEM AND ISSUES RELATED TO MANAGEMENT OF THE KRILL FISHERY ... ....................................................................... 124 Krill fishing activity and CPUE ........................................................ 124 ... .................................................................... 126 Analysis of data from the krill fishery ............................................. 126 Data ... from Soviet krill fishing expeditions ......................................... 128 Scientific
application/pdf attached to:WG-EMM-11Meeting Report : WG-EMM-11
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e-sc-xiv-a4.pdf
... -EMM What is an Ecosystem Assessment? Organisation of the Meeting DATA Krill Catches in 1994/95 ... Species and Other Ecosystem Components Modelling Functional Relationships Krill Selectivity by ... Predators Other Approaches Ecosystem Assessment Research Relating to Non-krill Harvestable Resources ... Environmental Data Requirements Sea-ice ECOSYSTEM ASSESSMENT By-catch of Fish in the Krill Fishery
application/pdf attached to:WG-EMM-95Meeting Report : WG-EMM-95
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e-sc-xxvii-a4.pdf
... 48 krill catch limit amongst SSMUs .......................... 181 Options for subdividing the catch ... Krill fishery performance measures ................................................... 189 Risk ... Assessment of Fishing Options 2, 3 and 4 ......................................... 194 Impacts on the krill ... STATUS AND TRENDS IN THE KRILL FISHERY ..................................... 213 Fishing activity
application/pdf attached to:WG-EMM-08Meeting Report : WG-EMM-08
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Important aspects of prey distribution for the formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
inshore are: 1) proximity to breeding colonies and 2) high krill (Euphausia superba) abundance, whereas ... those of foraging slope/offshore are: 3) less patchy krill distribution, 4) shallow krill distribution ... , 5) larger krill size and 6) occurrence of energy-rich bioluminescing myctophid fish at night ... , feeding success may not be necessarily associated with dense aggregation of krill, but with distribution ...
Meeting Document : WG-EMM-97/28 : Auteur(s): Bengtson, J.L., Hiruki, L.M., Naganobu, M., Ichii, T., Meyer, W.R., Cameron, M.F., Boveng, P., Takao, T., Miura, A., Jansen, J.K., Kawaguchi, S., Hayashi, T.
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Climate change and zooplankton dominance in the Antarctic marine ecosystem: implications for the food web
major factor regulating recruitment and population size of Antarctic krill (Euphausia superba) and ... population dynamics of salps (Salpa thompsoni). Strong krill recruitment success there follows years of ... sea-ice. An order of magnitude decrease of krill population size, increased incidence of massive salp ... blooms, and decreased abundance of krill-dependent Adelie penguins (Pygoscelis adeliae) in the past 15 ...
Meeting Document : WG-EMM-96/21 : Auteur(s): Siegel, V., Fraser, W., Trivelpiece, S., Holm-Hansen, O., Loeb, V., Hewitt, R., Trivelpiece, W.
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Warming effects in the Western Antarctic Peninsula Ecosystem: the role of population dynamic models for explaining and predicting penguin trends
complex links between climatic variables, primary productivity, krill and avian predators. There are ... several studies reporting statistical relationships between climate, krill and penguins population size ... influenced by the inter-annual variability in the sea-ice extent and krill biomass. In this paper we ... developed simple conceptual models for decipher the role of climate and krill fluctuations on the population ...
Meeting Document : WG-EMM-12/18 : Auteur(s): M. Lima and S.A. Estay (Chile)