Resultados de la búsqueda
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By-catch of fishes caught by the fishery vessel Niitaka Maru in the South Georgia area (August to September 2004)
by F/V Niitaka Maru (5306t) were made from August 6 to September 9, 2004 to the north of South ... Georgia Island. Among 100 net hauls quantitatively examined, a total of 12 species belonging to 6 families ... of by-catch fishes were occurred in 76 trawl catches. The family Myctophidae, the most abundant taxa ... during the present survey, were found in 61% of hauls examined. Although only one species, Lepidonotothen ...
Meeting Document : WG-EMM-05/19 : Autor(es): T. Iwami, T. Hayashi, K. Taki and M. Naganobu (Japan)
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Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the global procellariiform tracking database
Abstract: This paper presents an analysis of the distribution of albatrosses and petrels in the ... Procellariiform Tracking Database. The results highlight the importance of the CCAMLR area, particularly for ... breeding distributions of populations of Wandering, Grey-headed, Light-mantled, Black-browed and Sooty ... Albatrosses, and populations of both Northern and Southern Giant-petrel and White-chinned petrel. The ...
Meeting Document : WG-FSA-05/75 : Autor(es): BirdLife International
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2002 winter and 2002/03 breeding season
Abstract: Results of the surveys of entanglement of Antarctic fur seals at Bird Island, South ... reported here. The overall number of entanglements showed a decrease from last year of 55% in winter and 67 ... %. Severe injuries accounted for 33% of entanglements over winter and 25% during the summer. As in previous ... years, most individuals observed entangled in debris were juveniles (88% of winter and 81% of summer ...
Meeting Document : SC-CAMLR-XXII/BG/11 : Autor(es): Delegation of the United Kingdom
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Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video cameras
of 719-1518 m around the sub-Antarctic island of South Georgia. Four species of lithodid (Anomura ... to the baits of which Paralomis formosa was the most abundant. Using arrival rate at baits ... , predictions of odour plume size and observations of walking speed the abundance of the stone crab Paralomis ... formosa was estimated. Numbers of crabs increased rapidly following bait emplacement, with total numbers ...
Meeting Document : WG-FSA-03/77 : Autor(es): M.A. Collins, C. Yau, F. Guillfoyle, P. Bagley, I. Everson, I.G. Priede and D. Agnew (United Kingdom)
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Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video cameras
of 719-1518 m around the sub-Antarctic island of South Georgia. Four species of lithodid (Anomura ... to the baits of which Paralomis formosa was the most abundant. Using arrival rate at baits ... , predictions of odour plume size and observations of walking speed the abundance of the stone crab Paralomis ... formosa was estimated. Numbers of crabs increased rapidly following bait emplacement, with total numbers ...
Meeting Document : WG-FSA-03/77 Text : Autor(es): M.A. Collins, C. Yau, F. Guillfoyle, P. Bagley, I. Everson, I.G. Priede and D. Agnew (United Kingdom)
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Review of fish and invertebrate by-catch in trawl fisheries in Division 58.5.2
Abstract: This paper presents estimates of the total removals of fish and invertebrate bycatch by ... 58.5.2. On average, 94 % of hauls in the D. eleginoides fishery and 93% of hauls in the C. gunnari ... fishery were observed. The percentage of observed hauls was used as a scaling factor to convert observed ... bycatch weights to estimates of total bycatch removed from the fishery. Bycatch in these trawl fisheries ...
Meeting Document : WG-FSA-02/46 : Autor(es): E.M. van Wijk and R. Williams (Australia)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands 2000/01
Abstract: The results of the fifth annual survey of entanglement of Antarctic fur seals at Signy ... which there were no sightings of seals with neck collars of man-made debris. Data are compared with ... Island, these indicated that the number of entangled fur seals had increased (by57%) compared to the ... previous year. The absence of entangled seals at Signy Island could be due to the relatively low numbers of ...
Meeting Document : SC-CAMLR-XX/BG/04 : Autor(es): Delegation of the United Kingdom
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A three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)
been developed. This paper explores applications of the multi-frequency method using data from three ... role in the Ross Sea pelagic ecosystem (Marr, 1962; Azzali et al., 1999). To estimate the abundance of ... obtain information about the mean size (length) of the organisms in each aggregation. In principle the ... abundance of the two populations can be estimated by single-frequency acoustics, using the standard echo ...
Meeting Document : WG-EMM-01/63 : Autor(es): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)
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Fishing cruise of the Russian trawler Zakhar Sorokin to the Antarctic (Subarea 48.3) from 16 February to 10 March 1999
were done and 264,921 t of icefish were caught. 86% of catch were taken from 28 February to 3 March on ... the nothwestern slope of the South Georgia Island, where icefish fed actively on Antarctic krill and ... hour and 57 t per day of fishing. Icefish 27-33 cm long were the basis of catches. Total catch of other ... fish species constituted 9,171 t. Due to opinion of the captain of a Russian vessel and Russian ...
Meeting Document : WG-FSA-99/57 : Autor(es): V.L. Senioukov and P.N. Kochkin (Russia)
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CCAMLR measures regulating the tagging of Dissostichus species, metrics used to assess vessel tagging performance, the potential for some anomalous results, and general recommendations on tagging; a view from the hauling room
performance measures implemented by CCAMLR to control and monitor the tagging of toothfish (Dissostichus ... first season of implementation we describe several circumstances which will cause anomalies in the tag ... distribution of Dissostichus species within the assessed management division (ASD) or changes in the tagging ... rate within sub areas of the assessed ASD. The current level of two tonnes of Dissostichus catch ...
Meeting Document : WG-FSA-11/50 : Autor(es): J.M. Fenaughty (New Zealand) and J. Brown (United Kingdom)