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Trends of African penguin Spheniscus demersus populations in the 20th century
The entire nesting population of African penguins Spheniscus demersus was about 575 000 adults at the start of the 20th century. Numbers halved by the 1950s and continued to fall to about 220 000 byExpand
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DEMOGRAPHY AND POPULATION TRENDS OF THE ATLANTIC YELLOW-NOSED ALBATROSS
Abstract The Atlantic Yellow-nosed Albatross (Thalassarche chlororhynchos) breeds only at the Tristan da Cunha archipelago and Gough Island in the central South Atlantic Ocean, and is threatened byExpand
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Conservation of the jackass penguin (Spheniscus demersus (L.))
Abstract The jackass penguin Spheniscus demersus (L.) is confined to the coastal waters of southern Africa, and breeds on 18 islands predominantly within the region of the cold, nutrient richExpand
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Population of the Macaroni Penguin Eudyptes Chrysolophus at Marion Island, 1994/95–2002/03, with Information on Breeding and Diet
There is indication that numbers of macaroni penguins Eudyptes chrysolophus at subantarctic Marion Island have decreased since the early 1980s. Estimates of the population at the island fell fromExpand
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A New Census Method For Penguins Tested On Jackass Penguins Sphenzscus Demersus
Summary Randall, R. M., Randall, B. M., Cooper, J. & Frost, P. G. H. 1986: A new census method for penguins tested on Jackass Penguins Spheniscus demersus. Ostrich 57: 211–215 A census method for J...
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Conserving pattern and process in the Southern Ocean: designing a Marine Protected Area for the Prince Edward Islands
South Africa is currently proclaiming a Marine Protected Area (MPA) in the Exclusive Economic Zone (EEZ) of its sub-Antarctic Prince Edward Islands. The objectives of the MPA are to: 1) contribute toExpand
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Distribution, population size and conservation of the jackass penguin Spheniscus demersus
The jackass penguin, endemic to southern Africa, is the only member of the Sphenisciformes now breeding in Africa. Its breeding distribution extends from Sylvia Hill, South West Africa (Namibia), toExpand
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Population Dynamics of the Wandering Albatross Diomedea Exulans at Marion Island: Longline Fishing and Environmental Influences
The subantarctic Prince Edward Islands (Marion and Prince Edward) support the largest breeding population of the Vulnerable wandering albatross Diomedea exulans. The number of birds breeding atExpand
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THE POPULATION, ECOLOGY AND CONSERVATION OF THE BLACK OYSTERCATCHER HAEMATOPUS MOQUINI
Summary Summers, R. W. & Cooper, J. 1977. The population, ecology and conservation of the Black Oystercatcher Haematopus moquini. Ostrich 48:28-40. The population of Black Oystercatchers HaematopusExpand
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