Résultats de la recherche

1. 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 ... sp. 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 ...

   Meeting Document : WG-FSA-08/29 : Auteur(s): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)

2. Developing a Risk Assessment for Subarea 48.1 using tracking data

   Abstract:  CCAMLR has endorsed the use of the Risk Assessment framework to apportion the krill ... catch limits in order to minimise the risk of the fishery to krill dependent predators. We plan to apply ... requires data layers describing the distribution and krill consumption by krill-dependent predators. This ...

   Meeting Document : WG-EMM-2019/24 : Auteur(s): V. Warwick-Evans, A. Friedlaender, J.T. Hinke, N. Kokubun, J.H. Kim and P.N. Trathan

3. The role of fish in the Antarctic marine food web: differences between inshore and offshore waters in the southern Scotia Arc and west Antarctic Peninsula

   is more important than that of krill. There, demersal fish are major consumers of benthos and also ... feed on zooplankton (mainly krill in summer), and are links between lower and upper levels of the food ... benthos and feed more on zooplankton (mainly krill) and nekton, and are less accessible as prey of birds ... ecosystem, krill (E. superba) plays the central role in the food web because it is the main food source in ...

   Meeting Document : WG-FSA-02/6 : Auteur(s): E. Barrera-Oro (Argentina)

4. Summary of research voyages in the South Orkney Islands region in 2015/16

   inform the further development of spatial management, including feedback management of the krill fishery ... and Norway, and focused on the krill-based ecosystem in the main fishing area in Subarea 48.2 ... behaviour of krill and its predators across a range of temporal and spatial scales using acoustics, nets and ... important interactions between krill, krill predators and the commercial fishery that will be an important ...

   Meeting Document : SC-CAMLR-XXXV/BG/28 : Auteur(s): Delegations of the United Kingdom and Norway

5. 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 : Auteur(s): D.J. McCafferty, I.L. Boyd, T.R. Walker and R.I. Taylor (United Kingdom)

6. Diet overlap among top predators at the South Orkney Islands, Antarctica

   2000 at South Orkney Islands. Overall, the diet of most of the predators was mainly composed of krill ... 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 of ...

   Meeting Document : WG-EMM-18/04 : Auteur(s): M.L. Bertolin and R. Casaux

7. 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 ... independence between krill found in the stomach of a given penguin prevents the pooling of krill lengths from ... highly significant linear regression between krill size and time was found. Full use of the information ...

   Meeting Document : WG-CEMP-89/16 : Auteur(s): E. Marschoff and B. González (Argentina)

8. 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 ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... krill recruitment and DPOI. Additionally, we calculated a new time series of DPOI from January 1952 to ...

   Meeting Document : WG-EMM-05/17 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)

9. 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 ... . georgianus was a fish feeder at Elephant Island and preyed on krill and fish further south. A large ...

   Meeting Document : WG-FSA-03/60 : Auteur(s): K.-H. Kock, H. Flores (Germany), C.D. Jones (USA), S. Wilhelms and S. Schöling (Germany)

10. Shipboard field operations conducted during the 1989 austral summer by the US Antarctic Marine Living Resources (AMLR) Program

    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 and associated measurements of sea surface temperature and chlorophyll-a, 11) observations of bird ... densities associated with krill distribution, and 12) collection of cephlapod specimens. Author(s ...

    Meeting Document : SC-CAMLR-VIII/BG/34 : Auteur(s): Delegation of USA

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