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We review the scientific literature, especially from the past decade, on the impacts of human … activities on the Antarctic environment. A range of impacts has been identified at a variety of spatial and … temporal scales.
The Diego Ramírez Archipelago, Chile, is the southernmost albatross breeding ground in the world and holds … globally important numbers of Black-browed (Thalassarche melanophrys) and Grey-headed (T. chrysostoma) Albatrosses. A census in the Diego Ramírez Archipelago has been attempted only once…
CCAMLR Conservation Measure 25-02 requires Spanish-system longline vessels to attach 8.5 kg weights at 40 m intervals on longlines to minimise interactions with seabirds. The weights typically used are collections of rocks enclosed in netting bags.
The Spanish system of longline fishing is used in a range of demersal and semi-pelagic fisheries … throughout the southern hemisphere and has been the source of a large number of seabird fatalities.
A breeding population of black-browed albatrosses … has been known to exist at the Ildefonso Archipelago, Chile, for >90 years but the population has never been … censused using scientiWcally defendable methods. To estimate … population size…
Populations of Southern Rockhopper ( Euduptes chrysocome chrysocome … ) and Macaroni ( E. chrysolophus … ) Penguins at key breeding sites in the Southern Hemisphere have declined substantially in the past 50 years, but … their statuses at important breeding sites in southern Chile are poorly known.
Industrial longline fisheries are considered worldwide as the main threat to albatross and … petrel populations, particularly at open oceans. However, inside countries’ EEZ artisanal … fleets account for a significant fishing effort and eventually…
The diet of grey-headed albatrosses at Diego Ramírez was analysed and compared to that of the … sympatric black-browed albatross. Diet composition was inferred from an analysis of prey hard parts present … in 103 chick regurgitates obtained during breeding seasons 2000, 2001 and 2002.
Chile is a fishery country with important artisanal and industrial longline fleets during the last 30 year. Main fishing resources in southern Chile are Patagonian toothfish, Ling and Austral hake. All these fisheries are suspected to have high seabird mortality.