Search results
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Some properties of diagnostics of GLMM model tuning for standardising CPUE indices in the Area 48 using the CCAMLR fishery statistics database
Abstract: The data of krill fishery in Subarea 48 for 1986 – 2008 presented to CAMLR database ... significantly deviated from the normal distribution. The number of krill hauls, where Pearson’s residuals ... corresponded to quintiles of normal distribution more then 2, constituted 2.3% of the total number of krill ... for krill fishery description claim special attention. The authors discussed several approaches to improve ...
Meeting Document : WG-EMM-11/44 : Author(s): P. Gasyukov and S. Kasatkina (Russia)
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Distribution of the Soviet fishing fleet and catches (CPUE) in Subdivision 48.3 during 1986–1990
Abstract: Analysis of the fishing fleet operation is one of preconditions of krill fishery small ... for the Soviet krill fishery in subdivision 48.3 for 1986-1980 (15 thousand hauls) were analyzed. During ... presented some aspects of krill fishery and krill consuming animals interrelations were considered ... for krill resources. Author(s): V.A. Sushin, P.C. Gasiukov, A.V. Zimin and S.M. Kasatkina (Russia) Title ...
Meeting Document : WG-EMM-02/63 Rev. 1 : Author(s): V.A. Sushin, P.C. Gasiukov, A.V. Zimin and S.M. Kasatkina (Russia)
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IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX
was dominated by krill, Euphausia superba and by the amphipod Themisto gaudichaudii. Smaller (younger) fish ... . and took smaller quantities of E. superba. In a season of poor krill availability (summer of 2003-2004 ... ) the proportion of krill in the diet, stomach fullness and fish condition (indicated by length-weight ... relationships) were significantly lower than in the other summer seasons. The poor krill season was followed ...
Meeting Document : WG-FSA-08/29 : Author(s): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)
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Diet overlap among top predators at the South Orkney Islands, Antarctica
to 2000 at South Orkney Islands. Overall, the diet of most of the predators was mainly composed of krill ... to 36.7 and fish, krill and squid re-occurred most frequently. The re-occurrence of fish among predator ... variable diets. This variability may be explained by fluctuations in krill availability. In years when ... krill is scarce (e.g. 2000), these predators can diversify their diet by increasing the consumption ...
Meeting Document : WG-EMM-18/04 : Author(s): M.L. Bertolin and R. Casaux
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The Use of Penguin Stomachal Contents for the Simultaneous Study of Prey and Predator Parameters
Abstract: Penguins selectivity for krill size is shown as highly sensitive to the statistical ... of independence between krill found in the stomach of a given penguin prevents the pooling of krill lengths from ... . A highly significant linear regression between krill size and time was found. Full use of the information ... Penguins selectivity for krill size is shown as highly sensitive to the statistical assumptions ...
Meeting Document : WG-CEMP-89/16 : Author(s): E. Marschoff and B. González (Argentina)
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The food and feeding of five species of icefish in the Elephant Island – South Shetland Islands Region in March 2003
– South Shetland Islands region in March-early April 2003. C. gunnari took primarily krill. C. aceratus ... fed on krill and fish with some differences found between Elephant Island and the South Shetland ... Islands. The bulk of the diet of C. rastrospinosus consisted of krill and fish. Diet intensity, however ... P. georgianus was a fish feeder at Elephant Island and preyed on krill and fish further south. A large ...
Meeting Document : WG-FSA-03/60 : Author(s): K.-H. Kock, H. Flores (Germany), C.D. Jones (USA), S. Wilhelms and S. Schöling (Germany)
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Shipboard field operations conducted during the 1989 austral summer by the US Antarctic Marine Living Resources (AMLR) Program
for fish age and growth studies, 8) hydroacoustic survey for krill around Elephant and King George Islands ... , 9) net sampling for krill in association with the hydroacoustic survey, 10) sampling for larval krill ... associated with krill distribution, and 12) collection of cephlapod specimens. Author(s): Delegation of USA ... and growth studies, 8) hydroacoustic survey for krill around Elephant and King George Islands, 9) net ...
Meeting Document : SC-CAMLR-VIII/BG/34 : Author(s): Delegation of USA
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Foraging response of Antarctic fur seals to changes in the marine environment
1964 d at sea. The frequencies of krill, fish and squid in the diet were estimated from prey items ... contained in scats. In 1996, a year of high krill abundance, females made shorter foraging trips, fewer ... dives and spent more time ashore than in 1994 when krill was scarce. Females fed exclusively on krill ... in 1996, and frequent shallow daytime diving indicated that krill were close to the surface during the day ...
Meeting Document : WG-EMM-99/35 : Author(s): D.J. McCafferty, I.L. Boyd, T.R. Walker and R.I. Taylor (United Kingdom)
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Acoustic and catch data collected by the fleet – relevance for feedback management
Abstract: The Norwegian fishing vessels involved in krill fisheries are also used to carry out ... for separating krill backscatters from other organisms. The South Orkney fishing grounds are limited compared ... and during the seasons. Diel migration, with krill being distributed close to surface at night and at deeper ... , and krill are generally deeper in May compared to February. The average acoustic backscattering is very ...
Meeting Document : WG-EMM-15/13 : Author(s): O.R. Godø, T. Klevjer and G. Skaret (Norway)
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Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2005, Antarctica
and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks affects ... the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in krill recruitment ... to as the Drake Passage Oscillation Index (DPOI). They found significant correlations between krill recruitment ... of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks affects the Antarctic ...
Meeting Document : WG-EMM-05/17 : Author(s): M. Naganobu and K. Kutsuwada (Japan)