Résultats de la recherche
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Krill density, biomass, proportional recruitment and recruitment index in the elephant island region during the period 1977 to 1997
Abstract: The Elephant Island long-term data set was updated for krill density and proportional ... recruitment. Krill biomass (from net sampling surveys) and absolute recruitment are introduced as additional ... /95 and an average 1995/96 krill year-class (below average for proportional recruitment, average for ... absolute recruitment). After a period of low krill density in the area for almost a decade, krill density ...
Meeting Document : WG-EMM-97/29 : Auteur(s): Loeb, V., Siegel, V., Gröger, J.
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Draft Krill Fishery Report
summary of information related to the krill fishery in a similar format to the fishery reports that are ... the preparation of a draft krill fishery report for consideration at WG EMM-14 that would be similar ... in content to a finfish Fishery Report. The following compilation of information on the krill fishery ... has been prepared by the Secretariat to provide the basis for such a Krill Fishery Report. This also ...
Meeting Document : WG-EMM-14/58 : Auteur(s): Secretariat
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Antarctic krill and climate change
krill Euphausia superba and environmental sciences attended a workshop aiming to evaluate new knowledge ... on the impact of climate change and increasing fisheries on Antarctic krill and Antarctic ecosystems ... climate change on krill is probably negative. To be able to account for climate change-induced ... ramifications on Antarctic krill and ecosystems, the adaptive capacity of the fisheries management of CCAMLR ...
Meeting Document : SC-CAMLR-XXX/BG/03 : Auteur(s): Delegation of the European Union
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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 : Auteur(s): Demer, D.A., Hewitt, R.P., Loeb, V.
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Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia
. Simultaneous surveys of marine birds, Antarctic fur seals and Antarctic krill were conducted along a series of ... between the distributions of predators and their prey with respect to the abundance of krill in the water ... correlations with Antarctic krill density across a wide range of spatial scales. Because krill was abundant ... factored out, we were able to demonstrate an additional influence of Antarctic krill abundance at ...
Meeting Document : WG-CEMP-93/12 : Auteur(s): G.L. Hunt, Jr (USA), D. Heinemann (USA) and I. Everson (United Kingdom)
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Fish by-catch in the krill fishery: 2016 update
Abstract: Data on fish bycatch in the krill from Commercial catch data (95 513 hauls) and CCAMLR ... -catch in a 300 000 t krill fishery would be 370 t, comprising 40% Champsocephalus gunnari and 30 ... modal size class of <10 cm. The fish species taken as by-catch in the krill fishery are the same ... species (and size classes) as those reported in the diet of ‘krill-dependent’ predators. There is evidence ...
Meeting Document : WG-FSA-16/04 : Auteur(s): CCAMLR Secretariat
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Observation on the interactions between marine mammals and mid-water krill trawl
Abstract: An observation on the interaction between marine mammal and krill midwater trawl was ... carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season. The ... either. Simultaneous observation of krill swarms detected by the echosounder revealed a linkage between ... the behavior of the seal and the depth of krill swarms. It is speculated that when krill swarms were ...
Meeting Document : WG-FSA-2019/60 : Auteur(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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The structure and spatial distribution of Antarctic krill aggregations from acoustic observation in the South Georgia area
significant distinctions in spatial distribution patterns of krill in the northwestern and the northeastern ... is non-attractive to fishery. The observed grounds with krill density exceeding the threshold value ... Georgia. Comparison of krill aggregations structure in the northwestern and the northeastern parts of ... suits to the foraging tactics of dependent predators than krill distribution in the form of dense swarms ...
Meeting Document : WG-EMM-04/66 Rev. 1 : Auteur(s): S.M. Kasatkina (Russia)
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Antarctic krill populations in the outflow region of the north-western Weddell Sea
Abstract: A meso-scale zooplankton and krill net sampling survey was carried out in the north ... March 2013. The aim of the survey was to study the zooplankton composition and krill abundance and ... survey area was covered by ice during the summer season. Antarctic krill densities were found to be ... highest in the western Peninsula region and lower in ice-covered Weddell Sea waters. Overall krill density ...
Meeting Document : WG-EMM-13/24 : Auteur(s): V. Siegel (European Union)
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Progress by WG-EMM-STAPP in estimating krill consumption by air-breathing predators within CCAMLR areas
Abstract: This paper summarises progress by WG-EMM-STAPP in estimating krill consumption by air ... -breathing predators in CCAMLR management units. There have been significant advances in estimating krill ... are now available for Areas 48, 88 and 58. Krill consumption by crabeater seals, the most important ... krill-consuming seal species, has been estimated in Areas 48 and 58. Large-scale estimates of breeding ...
Meeting Document : WG-EMM-16/68 : Auteur(s): C. Southwell and P. Trathan