Search results
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Spatial distribution of foraging by female Antarctic fur seals
estimation of the spatial impact of fur seals on krill. This suggested that, in extreme cases and assuming ... that krill influx is limited, female fur seals could eat most of the krill present in some regions where ... they forage intensively. However, mean consumption was about one-tenth of the mean density of krill. Author ... estimation of the spatial impact of fur seals on krill. This suggested that, in extreme cases and assuming ...
Meeting Document : WG-EMM-01/26 : Author(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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CLIMATICALLY DRIVEN FLUCTUATIONS IN SOUTHERN OCEAN ECOSYSTEMS
fluctuations in winter sea ice extent, affect the recruitment and dispersal of Antarctic krill ... . This oceanographically driven variation in krill population dynamics and abundance in turn affects the breeding success ... of seabird and marine mammal predators that depend on krill as food. Such propagating anomalies, mediated ... could lead to more than a 95% reduction in the biomass and abundance of krill across the Scotia Sea ...
Meeting Document : WG-EMM-08/P02 : Author(s): E.J. Murphy, P.N. Trathan, J.L. Watkins, K. Reid, M.P. Meredith, J. Forcada, S.E. Thorpe, N.M. Johnston and P. Rothery
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Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys
of krill-eater baleen whales in Subareas 48.1 and 48.2. This paper was prepared in response to a suggestion ... for management of krill under the FBM. The first is the development of the stock abundance of whales in relevant ... subareas for krill management, and the second is on the concentration of whales in the krill fishing/top ... This paper examines temporal changes in distribution and sighting density indices of krill-eater ...
Meeting Document : WG-EMM-16/26 : Author(s): L.A. Pastene and T. Hakamada
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THE APPLICATION OF CONSERVATION MEASURE 21-03 (NOTIFICATIONS OF INTENT TO PARTICIPATE IN A FISHERY FOR EUPHAUSIA SUPERBA) TO CONTRACTING PARTIES
and precautionary development of the krill fishery as it continues to expand. Currently Contracting Parties as well ... as Members are able to participate in krill fisheries. This is different to the approach taken ... ) and the best regulation possible to achieve the orderly and precautionary development of the krill fishery ... development of the krill fishery as it continues to expand. Currently Contracting Parties as well as Members ...
Meeting Document : CCAMLR-XXVII/37 : Author(s): Delegation of Australia
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Consideration of major issues in ecosystem monitoring and management
and the manner in which their populations vary naturally. Large scale interactions are catered for the Krill ... Yield Model. Smaller scale interactions centre around three main categories, the availability of krill ... to investigate krill availability. Vital rates can be investigated directly and also with respect to CEMP ... in which their populations vary naturally. Large scale interactions are catered for the Krill Yield Model ...
Meeting Document : WG-EMM-01/73 : Author(s): I. Everson (United Kingdom)
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ACOUSTIC IDENTIFICATION AND SIZE ESTIMATION OF EUPHAUSIIDS
Abstract: Fishery for krill is a major economical activity in the Antarctic Ocean. The increased ... acoustic activities were to acoustically identify krill and estimate specimen size, investigate behaviour ... , measure target strength in situ, and of course verify the acoustic measurements biologically. Krill were ... Fishery for krill is a major economical activity in the Antarctic Ocean. The increased Norwegian ...
Meeting Document : SG-ASAM-09/08 : Author(s): R. Korneliussen and G. Skaret (Norway)
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Food and feeding of two Channichthyids, Champsocephalus gunnari and Chaenocephalus aceratus, around Elephant Island and in the South Shetland Islands (Subarea 48.1) in 2001 and 2002
‘Polarstern’. C. gunnari fed almost exclusively on krill (Euphausia superba) in both years. C. aceratus fed ... on krill and other crustaceans as well as on fish. C. aceratus smaller than 30 – 35 cm relied primarily ... on krill and other crustaceans while larger fish preyed predominantly on fish. They fed mainly on locally ... ’. C. gunnari fed almost exclusively on krill (Euphausia superba) in both years. C. aceratus fed on krill ...
Meeting Document : WG-FSA-02/73 Rev. 1 : Author(s): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA)
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On interim distribution of the trigger level in the fishery for Euphausia superba in statistical Subareas 48.1, 48.2, 48.3 and 48.4
. Taking into account the current state of krill fishery in Area 48 and other important factors, Ukraine ... includes additional precautional measures to avoid interceptance of the krill fishery and the preadors ... an economic damage to the krill fishery. Author(s): Delegation of Ukraine Title: On interim distribution ... into account the current state of krill fishery in Area 48 and other important factors, Ukraine proposes ...
Meeting Document : CCAMLR-XXXV/30 : Author(s): Delegation of Ukraine
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A noise removal algorithm for acoustic data with strong interference based on post-processing techniques
as an important way to estimate the distribution and relative abundance of Antarctic krill (Euphausia superba ... of the method was demonstrated by comparing the appearances of krill swarm echograms, the dB differences ... krill swarms were maintained in good geometrical shape and volume backscatter strength. Author ... to estimate the distribution and relative abundance of Antarctic krill (Euphausia superba), yet the quality ...
Meeting Document : SG-ASAM-15/02 : Author(s): X. Wang, X. Zhao and J. Zhang (People’s Republic of China)
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Defining fishing grounds in the Scotia Sea
Abstract: This paper provides a method for delineating krill fishing grounds in Area 48 based ... on krill distribution and abundance and movement for the region, which can be used to help understand ... the relationship between the fishing grounds and the krill population. We define a fishing ground as being ... are developed using the commercial krill catch data available in the CCAMLR database. Author(s): I.R. Ball ...
Meeting Document : WG-EMM-02/40 Rev. 1 : Author(s): I.R. Ball and A.J. Constable (Australia), S. Kawaguchi (Japan) and D. Ramm (CCAMLR Secretariat)