Resultados de la búsqueda
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Krill catches and consumption by land-based predators in relation to distance from colonies of penguins and seals in the South Shetlands and South Orkneys
are used to show that for some years, months and zones of distance from the shore the catch of krill ... Abstract: Zones of 20 km width are defined around selected colonies of penguins distributed ... to have a consistent pattern in Subarea 48.1 but an unpredictable distribution in Subarea 48.2 ... March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 and 1988 ...
Meeting Document : SC-CAMLR-X/BG/07 : Autor(es): Secretariat
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Krill catches and consumption by land-based predators in relation to distance from colonies of penguins and seals in the South Shetlands and South Orkneys, 1987-1990
for some years, months and zones of distance from the shore the catch of krill is 50% or more of the ... Abstract: Zones of 20 km width are defined around selected colonies of penguins distributed ... to have a consistent pattern in Subarea 48.1 but an unpredictable distribution in 48.2, probably as a ... within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 and 1988 75% of the catch ...
Meeting Document : WG-CEMP-91/25 : Autor(es): D.J. Agnew (Secretariat)
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Assessment of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3
recent years. Projections indicate that a constant catch of 2,420 tonnes in the 2020 and 2021 seasons ... responsibility for releasing documents: United Kingdom ...
Meeting Document : WG-FSA-2019/28 : Autor(es): T. Earl
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Entanglement of Antarctic fur seals in man-made debris at Bird Island, South Georgia
1991 as part of an on-going study by the British Antarctic Survey. Only seven seals were observed ... compared to 30), it was substantially lower than during the 1988/89 and 1989/90 seasons (190 and 156 ... %) were the most common item found on seals. These proportions are similar to those reported in previous ... years. Author(s): Delegation of United Kingdom Title: Entanglement of Antarctic fur seals in man-made ...
Meeting Document : SC-CAMLR-XI/BG/09 : Autor(es): Delegation of United Kingdom
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Assessment of fishing intensity of krill in Subarea 48.2 during the season of 1989/90
intensity estimation are presented on the basis of haul to haul commercial statistics for Russian fleet ... fishing intensity (2.7- 88.9 thous.t) obtained for above mentioned four months in 1984-1993 (CCAMLR, 1994 ... months of the highest fleet pressure for entire period from 1984 to 1993. Krill fishery was concentrated ... 30 t. The highest variability was observed in trawlings duration (τ) and catch per trawling hour (q ...
Meeting Document : WG-EMM-97/51 : Autor(es): Ivanova, V.I., Sushin, V.A., Kasatkina, S.M.
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The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia
indicated by there absence in the diet of seals, is suggested as a possible reason for low availability of ... pattern in three of the four years studied. Of the total number of the myctophid Protomyctophum choriodon ... . Champsocephalus gunnari and Lepidonotothen larseni agg., which both feed on krill, dominated the fish component of ... the diet outside this period and together constituted 94% of the total estimated biomass of fish ...
Meeting Document : WG-EMM-95/28 : Autor(es): Arnould, J.P.Y., Reid, K.
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man made debris at Bird Island, South Georgia, during the 2006 winter and 2006/07 breeding season
Georgia for the 17th consecutive winter (2006) and 19th consecutive summer (2006/07) are reported here. A ... was 17, an increase of 112.5% over the previous summer, and the highest since 2001/02. During the ... (37% and 35% during winter and summer respectively). On 16 occasions the material was found to be a ... unknown. The increase in the number of winter entanglements (41) and animals with severe wounding (20) was ...
Meeting Document : SC-CAMLR-XXVI/BG/17 : Autor(es): Delegation of the United Kingdom
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Ecosystem studies carried out during the second Ukrainian Marine Antarctic Expedition in Subareas 48.2 and 48.1 in 1998
navigational season of 1998 as abnormally cold), recruitment of the stock (for the first time for recent years ... Abstract: In 1998 the 2nd Ukrainian Marine Complex Antarctic Expedition (UMCAE) on board ... the Antarctic. It was arranged by the Ukrainian Antarctic Center of the Ministry for Affairs of ... water low temperatures and great amount of icebergs (together all these factors characterize the ...
Meeting Document : WG-EMM-00/5 : Autor(es): V. Bibik and P. Gozhik (Ukraine)
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TROPHIC OVERLAP OF WEDDELL SEALS (LEPTONYCHOTES WEDDELLI) AND ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA
item for Weddell seals in the Ross Sea. • We summarise the life history of Weddell seals to provide an ... , this is relevant to the question of whether seals predate significantly on toothfish. • There is ... further away (Testa et al. 1985). • Direct information on diet of the Weddell seals, including diver ... observations, animal-mounted camera information, and observations from field scientists in the McMurdo Sound ...
Meeting Document : WG-EMM-08/43 : Autor(es): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
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Has climate change promoted genetic fragmentation in the ice-dependent fish Pleuragramma antarcticum?
in the central region of the western AP for two consecutive years, all suggest that this sea-ice ... Antarctica highly impacted by regional warming. We found a single gene pool and an absence of inter-annual ... variability in the southwestern AP, while significant genetic differences were detected on a small geographic ... dependent species could be highly vulnerable to climate change with possible cascading effects on the ...
Meeting Document : WG-FSA-13/67 : Autor(es): C. Agostini, T. Patarnello (Italy), J. Ashford, J. Torres (USA) and L. Zane (Italy)