Résultats de la recherche
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Foraging strategies of chinstrap penguins at Signy Island, Antarctica: importance of benthic feeding on Antarctic krill
trip patterns and diving behaviour of chinstrap penguins breeding at Signy Island, Antarctica, using ... both types of trip fed almost exclusively on Antarctic krill. There was a positive relationship between ... foraging trip duration). These results highlight the potential importance of benthic feeding on Antarctic ... Abstract: Chinstrap penguins Pygoscelis antarctica are one of the major consumers of Antarctic ...
Meeting Document : WG-EMM-03/37 : Auteur(s): A. Takahashi (Japan), M.J. Dunn, P.N. Trathan (United Kingdom), K. Sato, Y. Naito (Japan), J.P. Croxall (United Kingdom)
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Managing fisheries to conserve the Antarctic marine ecosystem: practical implementation of the Convention on the Conservation of Antarctic Marine Living Resources (CCAMLR)
1960s with exploitation of the marbled rockcod, Notothenia rossii, in the South Atlantic, a species ... Abstract: Apart from exploitation of seals and whales, Antarctic fisheries began in the late ... decimated in the first two years of the fishery following catches of about 500,000t. Two other species have ... formed the basis of substantial fisheries, krill (Euphausia superba) and mackerel icefish ...
Meeting Document : SC-CAMLR-XVIII/BG/26
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Final report of scientific observation of commercial krill harvest aboard the Japanese stern trawler Niitaka Maru, 13 December 2000–26 January 2001
measurements of krill, product types are described in the report. The trawler made an anti-clockwise trip ... Scientific Observers Manual. Summary of the fishing efforts, processing, fish by-catches, biological ... around the South Shetland Islands. During this trip, the vessel encountered a swarm rapidly moving ... previous season. Author(s): T. Hayashi, S. Kawaguchi and M. Naganobu (Japan) Title: Final report of ...
Meeting Document : WG-EMM-01/38 : Auteur(s): T. Hayashi, S. Kawaguchi and M. Naganobu (Japan)
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SCAR group of specialists on marine living resources of the Southern Ocean – Newsletter 1
Cambridge meeting, is now back from his trip to the Antarctic. (8) I NEED: 3 (1) List of names of ... regret for the loss of CRYL, has graciously accepted it! Any comments from the rest of the Group ... 20 November 1975 SCAR Group of Specialists on Marine ... Living Resources of the Southern Ocean NEWSLETTER :/fl This newsletter is an attempt to establish a ...
Document : Site Section: The Organisation
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Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass
Paper Title: Analyses of acoustic line-transect data from the waters around South Georgia ... : estimation of krill (Euphausia superba Dana) – biomass Abstract / Description: A large-scale acoustic survey ... of zooplankton stocks in the waters around South Georgia was carried out during November and December ... 1981. The data have been analysed using various definitions of strata. The total biomass in the area of ... densities of krill in the north east region around South Georgia is reasonable. Further stratifications ... water region to the east where the higher densities of krill were recorded during this study. The ... strips Each of the sections running west to east were considered as a single stratum (Figure 6). 3 ... (Figure 3). 18 transects Each of the nine long transects split in the middle (Figure 4). 6 strata Each ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Auteur(s): Murphy, E., I. Everson and A. Murray
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INTERACTIONS OF PATAGONIAN TOOTHFISH FISHERIES WITH KILLER AND SPERM WHALES IN CROZET EXCLUSIVE ECONOMIC ZONE: AN ASSESSMENT OF DEPREDATION LEVELS AND INSIGHTS ON POSSIBLE MITIGATION SOLUTIONS
year period we estimated a total loss of 1200 tons of Patagonian toothfish due to depredation which ... represents a financial loss of approximately 10 millions €. Killer whales were found to be responsible for ... the largest part of this loss (70%) while sperm whales had a lower impact (30%). Photo-identification ... longline fishery is exposed to high levels of depredation by killer and sperm whales. In this context, this ...
Meeting Document : WG-IMAF-09/12 : Auteur(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet (France)
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Estimation of the biomass of krill in Prydz Bay during January/February 1991, February/March 1992 and January/ February 1993 using echo integration
the middle of the range of densities estimated from seven surveys between 1981 and 1985 (Higginbottom ... Abstract: Hydroacoustic surveys of the abundance of krill (Euphausia superba) in the Prydz Bay ... surveys indicated some association of krill with the shelf break in the western part of the survey area ... and the centre of the Prydz Bay region but also found that the shelf break was in general not a region ...
Meeting Document : WG-Krill-94/21 : Auteur(s): T. Pauly and I. Higginbottom (Australia)
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Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988
southern branch of the Antarctic Circumpolar Current (ACC). The middle-length grouping and the small-length ... Abstract: Three basic length groupings of krill were identified with the clustering analysis on ... the basis of the data of two complex surveys carried out in the western Atlantic sector of Antarctic ... in summer 1984 and 1988. The large-length grouping is biotopically associated with the waters of the ...
Meeting Document : WG-EMM-04/27 : Auteur(s): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)
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Estimation of the biomass of krill in Prydz Bay during January/February 1991 and February/March 1992 using echo integration
SIBEX-II estimate falls in the middle of the range of densities estimated from seven reported surveys ... Abstract: Hydroacoustic surveys of the abundance of krill (Euphausia superba) in the Prydz Bay ... association of krill with the shelf break in the western part of the survey area but also found that the shelf ... break was in general not a region of relatively high krill abundance. The mean surface density of krill ...
Meeting Document : WG-KRILL-92/23 : Auteur(s): I. Higginbottom and T. Pauly (Australia)
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How trophic dynamics of adult Antarctic krill Euphausia superba responses to the condition of no ice in the water during the winter: a case study at South Georgia?
overwintering of krill in the Southern Ocean. The information on trophic variation of krill under ice-free ... waters during the winter can also provide the insight for understanding the response of krill to global ... diet of adult krill with size and month during the winter season (June to September 2016) at the South ... N values between sexes of krill. Nitrogen isotope signatures suggested increasing carnivory with ...
Meeting Document : WG-EMM-2019/P04 : Auteur(s): G.P. Zhu, H.T. Zhang, B. Deng and Q.Y. Yang