SC-CAMLR-XII

Population dynamics of Black-browed and Grey-headed Albatrosses were studied at Bird Island, South Georgia for 17 consecutive years (1975-1991). Over this period almost all the Grey-headed Albatross colonies decreased, at an average rate of 1.8% per annum. Although the total Black-browed Albatross population increased (at 0.8% pa.), 14 of the 23 colonies (including both study colonies) Read More
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El objetivo de este trabajo es presentar una síntesis de evidencias del impacto humano en Cabo Shirreff (62"27'S., 61l'47'W), isla Livingston, sobre la base de antecedentes históricos y observaciones de terreno. En un acercamiento cronológico arbitrario se ha establecido tres periodos: Antiguo, reciente y actual.
El primero dice relación con los naufragios de antiguas embarcaciones, Read More
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The Antarctic digital topographic database is the outcome of a truly international collaborative project between 11 nations. Data capture was co-ordinated in the UK, under the auspices of the Scientific Committee on Antarctic Research (SCAR), during a two-year period. Over 200 maps, at scales ranging from 1:200 000 to 1:5 000 000, were digitized for the project and reference was made to a Read More
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In the first observation of oiled seabirds at Bird Island, South Georgia since the station was opened in 1975, six freshly-oiled penguins (one chinstrap, five gentoos) were recorded ashore in July and August 1993. Because gentoo penguins feed very close inshore in winter they must have been contaminated near Bird Island from pollution originating nearby. Krill fishing boats, operating within Read More
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Fishing in the Southern Ocean commenced on finfish in 1969/70 and on krill in 1972/73. The former Soviet Union has been the most important fishing nation, taking 80-90 % of the entire catch. Up to 1992/93, more than 3 million tonnes of finfish had been harvested, mainly around South Georgia and the Kerguelen Islands. After 15 years of exploitation, most fish stocks have been heavily depleted. Read More
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During seven operations involving the setting and hauling of long-lines to catch Dissostichus eleginoides around the South Sandwich Islands ( Statistical Sub-area 48.4 ), actual y potential interactions with seabirds were assessed. Bird numbers increased rapidly after dawn and large numbers of Cape, giant and storm petrels and smaller numbers of white-chinned petrels and black-browed Read More
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At least six instances of long-line fishing gear (especially hooks) in association with breeding black-browed and wandering albatrosses were recorded at Bird Island, South Georgia in 1992J93. Although similar observations had been made in previous seasons, this is the highest incidence yet recorded in a single season.

Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for the third consecutive winter and fifth consecutive summer at Bird Island, South Georgia. In the 1992 winter an unprecedented number of 97 entangled seals were seen, a ten-fold increase on the previous two years and with twice as many seals suffering serious injuries. Almost all animals involved were Read More
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An exploratory fishing survey was undertaken around the South Sandwich Islands ( FAO Subarea 48.4 ), to establish the presence and abundance of the Patagonian Tootfish Dissostichus eleginoides with a view to opening a new fishery under the auspices of the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR). The survey was undertaken by the Chilean long-liner B/F Read More
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