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2010. Distribution, population size and conservation of the Cape gannet Morus capensis. South African Journal of Marine Science
1 (1) 153-174
Downloadable files:
| Attachment | Size |
|---|---|
| Distribution_population size and conservation of the Cape gannet Morus capensis_2010.pdf | 1.97 MB |
2001. African penguins as predators and prey - coping (or not) with change. South African Journal of Marine Science 23 (1) 435-447
1999. Seasonal pattern of breeding, population trend and conservation status of bank cormorants Phalacrocorax neglectus off south western Africa. Biological Conservation 87 (1) 49-58
1999. Decrease of African Penguins at the Possession Island group, 1956-1995: contrasting trends for colonial and solitary breeders. Marine Ornithology
27 129-138
Downloadable files:
| Attachment | Size |
|---|---|
| Cordes_1999_Marine_Ornithology_27_129-138.pdf | 105.01 KB |
1995. Trends of African Penguin Spheniscus demersus populations in the 20th-century. South African Journal of Marine Science
16 (1) 101-118
Downloadable files:
| Attachment | Size |
|---|---|
| Trends of African Penguin Spheniscus demersus populations in the 20th_century.pdf | 1.28 MB |
1993. Seasonal and interannual variation in the diet of 2 colonies of the Cape Gannet (Morus capensis) between 1977-78 and 1989. Colonial Waterbirds 16 1977 – 1978
1991. Seabird consumption and production in the Benguela and Western Agulhas ecosystems. South African Journal of Marine Science
11 357-375
1990. Distribution, population-size and conservation of Hartlaub's Gull Larus hartlaubii. Ostrich: Journal of African Ornithology 61 (1-2) 66 – 76
1990. Distribution, population-size and conservation of the Swift Tern Sterna bergii in southern Africa. Ostrich: Journal of African Ornithology 61 (1-2) 56 – 65
1990. Recent population trends of Jackass Penguins Spheniscus demersus off southern Africa. Biological Conservation 52 (3) 229 – 243
1989. Competition for space: recolonizing seals displace endangered endemic seabirds off Namibia. Biological Conservation 48 (1) 59-72
1986. A note on mortality of seabirds off western southern Africa, October 1985–February 1986. South African Journal of Marine Science 4 (1) 119-123
1985. Partitioning of a goby resource amongst four avian predators and evidence for altered trophic flow in the pelagic community of an intense perennial upwelling system. South African Journal of Science
3 (1) 215–228
Downloadable files:
| Attachment | Size |
|---|---|
| Partitioning of a goby resource amongst 4 avian predators.pdf | 1.13 MB |
1984. Distribution, population size and conservation of the Jackass Penguin Spheniscus demersus. South African Journal of Marine Science
(2) 217 - 257
Downloadable files:
| Attachment | Size |
|---|---|
| Distribution_population size and conservation of the Jackass Penguin Spheniscus demersus.pdf | 2.72 MB |
1983. Cape Cormorants as potential indicators of pelagic fish stocks off southern Africa. South Africa Journal of Science 79 466-468
1982. Taxonomy, distribution, population size, breeding and conservation of the Whitebreasted Cormorant Phalacrocorax carbo on the southern African coast. Gerfaut 72 188-200
1982. Distribution, population size and conservation of the Cape Cormorant Phalacrocorax capensis. Fisheries Bulletin of South Africa
16 121 - 143
1982. Distribution, population size, breeding and conservation of the Kelp Gull in southern Africa. Ostrich: Journal of African Ornithology 53 (3) 164-177
1982. Taxonomy, distribution, population size and conservation of the Crowned Cormorant Phalacrocorax coronatus. Gerfaut 72 3 - 30
1981. Population trends for some southern African seabirds related to fish availability. Proceedings of the Symposium on Birds of the Sea and Shore Cooper, J. 15-41
1981. The breeding population of White Pelicans Pelecanus onocrotalus at Bird Rock platform in Walvis Bay, 1949-1978. Fisheries Bulletin of South Africa 15 67 - 70
1980. Observations on the mortality of juvenile Cape Cormorants Phalacrocorax capensis during 1975 and 1979. Fisheries Bulletin of South Africa
(13) 69 - 75