Resultados de la búsqueda
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Analysis of trawl data from the South Georgia krill fishery
Abstract: Data from individual trawls carried out by vessels operating in the krill fishery at ... focussed, operating in a limited area along the shelf edge on the northern coast of the island. Each day a ... large number of trawls were undertaken by each,vessel, with trawls being shorter in duration during the ... variability. The range of measurements indicate that differences existed between years. Particular aspects of ...
Meeting Document : WG-EMM-97/41 : Autor(es): Parkes, G., Trathan, P.N., Everson, I., Murphy, E.J.
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Anthropogenic feather soiling, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1999/2000
associated with seabirds at Bird Island, South Georgia. In this, the seventh year of standardised recording ... -line originating from fishing vessels was recorded in association with wandering albatrosses ... . Quantities of fishing gear remained within the levels of previous years for all other species, except black ...
Meeting Document : SC-CAMLR-XIX/BG/04 : Autor(es): Delegation of the United Kingdom
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PREDICTING THE VULNERABILITY OF BRYOZOANS AND SPONGES TO DISTURBANCE USING LIFE-HISTORY CHARACTERISTICS
form important biogenic habitat in the Southern Ocean. Data were extracted from a global database of ... model suggests that Southern Ocean bryozoans may take more than 50 years to recover following ... centuries to recover from disturbance particular in areas where natural disturbance is low. Author(s ...
Meeting Document : WS-VME-09/12 : Autor(es): Martin-Smith, K.
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The foraging range of Adelie penguins – implications for CEMP and interactions with the krill fishery
not occur at these sites in normal ice years. It is suggested that an understanding of the potential ... widely spaced locations along the coast of Eastern Antarctica between 55°E near Enderby Land and 175°E in ...
Meeting Document : WG-EMM-96/69 : Autor(es): Rodary, D., Thomson, R., Tremont, R., Lawless, R., Gardner, H., Wienecke, B., Clarke, J.R., Kerry, K.R., Corsolini, S., Eberhard, S.
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POPULATION ASSESSMENTS OF GENTOO PENGUINS (PYGOSCELIS PAPUA) BREEDING AT AN IMPORTANT ANTARCTIC TOURIST SITE, GOUDIER ISLAND, PORT LOCKROY, PALMER ARCHIPELAGO, ANTARCTICA
consecutive years beginning in the 1996/1997 breeding season. Our results demonstrate that all colonies show ... Abstract: Goudier Island is located in the Palmer Archipelago, to the west of the Antarctic ... Peninsula; it is one of the most frequently visited tourist sites in Antarctica. A number of gentoo penguin ... anywhere in the Antarctic. In this paper we describe the population trends and breeding productivity ...
Meeting Document : WG-EMM-09/P07 : Autor(es): P.N. Trathan, J. Forcada, R. Atkinson, R.H. Downie and J.R. Shears
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Full steam ahead for the Polar Code – developing safety measures for fishing vessels and implementation of marine mammal avoidance measures
CCAMLR Members to: Support the development of measures by the IMO include fishing vessels in the Polar ... Code. Ratify the Cape Town Agreement. Strengthen CCAMLR Resolution 20/XXII to a conservation measure ...
Meeting Document : CCAMLR-XXXVII/BG/35 : Autor(es): Submitted by ASOC
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Age validation of juvenile Notothenia rossii at Potter Cove, South Shetland Islands, using mark-recapture data
–38.1 cm) tagged and released in successive years from 2004 to 2010, 7 were recaptured at the same site ... Abstract: Among all validation methods of age determination in fish, release of known age and ... principle of annual deposition of an annulus in scales and otoliths. Of 132 juvenile specimens (TL = 22.1 ... after periods of 1–13 months. In scales of five specimens recovered after 10–13 months, one extra ...
Meeting Document : WG-FSA-13/P01 : Autor(es): E. Moreira, E. Barrera-Oro and M. La Mesa
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Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophris and D. chrysostoma at Bird Island, South Georgia
Island, South Georgia for 17 consecutive years (1975-1991). Over this period almost all the Grey-headed ... ) decreased. Black-browed Albatrosses follow an annual breeding cycle, with over 80% of birds successful in ... rearing a chick and 75% of those failing to do so returning to breed the next year, 5-10% of both ... categories delaying one further year (even when still paired). Grey-headed Albatrosses are essentially ...
Meeting Document : SC-CAMLR-XII/BG/21 : Autor(es): Delegation of United Kingdom
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Movement and growth of tagged toothfish around South Georgia and Shag Rocks (Subarea 48.3)
Abstract: In 2000 the UK started a toothfish (Dissostichus eleginoides) tagging programme. The ... of the fish recaptured to date were tagged and released during the experimental pot fishing in 2000 ... and 2001, and have been at liberty from one to two years. Four fish were tagged and recaptured from ... the same longline vessel in 2002 after up to two months at liberty. The fish tagged during the ...
Meeting Document : WG-FSA-02/28 : Autor(es): T.R. Marlow, D.J. Agnew and I. Everson (United Kingdom)
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of arrival of adults
Abstract: At Marion Island, there was considerable correlation in numbers of adults breeding at ... Penguins, over 26 and 22 years respectively, suggesting over-wintering conditions may influence the ... , over-wintering conditions may also affect breeding success. Trends in breeding success at study ... Niño Southern Oscillation event of 1997/98, there was no significant correlation in mass on arrival ...
Meeting Document : WG-EMM-05/38 : Autor(es): R.J.M. Crawford, J. Cooper, B.M. Dyer and L.G. Underhill (South Africa)