Publication lists

Abrams, R.W. & Lutjeharms, J.R.E. 1988. Relationships between seabirds and meso-scale hydrographic features in the Agulhas current retroflection region. Acta Congressus Internationalis Ornithologici 19:991-996.

Adams, N.J. 1988. Review: Seabirds: feeding biology and role in marine ecosystems (Croxall Ed.). Polar Biology 8:319-320.

Adams, N.J. & Brown, C.R. 1988. Energetics of moult in penguins (abstract). Cormorant 16: 120.

Adams, N.J., Wilson, R.P. & Bain, C.A.R. 1988. The use of thallium as a radioactive source in autoradiographic devices for penguins at sea. Journal of Field Ornithology 59:43-45.

Allan, D.G. 1988. Whiskered Terns Chlidonias hybridus breeding in the southeastern Transvaal. Cormorant 16:3-6.

Allan, D.G. 1988. Breeding success, nest spacing and territory size of Black Eagles in the Magaliesberg, South Africa. Gabar 3:76-81.

Allan, D. 1988. Review: Birds of the Transvaal (Tarboton, Kemp & Kemp). Ibis 130:580-581.

Allan, D.G., Tarboton, W.R., Filmer, R.J. and Bassi, J. 1988. Breeding of the Broadtailed Warbler in South Africa. Ostrich 59:137.

Avery, G., Brooke, R.K. & Komen, J. 1988. Records of the African Crake Crex egregia in western southern Africa. Ostrich 59:25-29.

Bosman, A.L. & Hockey, P.A.R. 1988. The influence of primary production rate on the population dynamics of Patella granularis, an intertidal limpet. Marine Ecology 9:181-198.

Bosman, A.L. & Hockey, P.A.R. 1988. Life-history patterns of populations of the limpet Patella granularis: the dominant roles of food supply and mortality rate. Oecologia (Berlin) 75:412-419.

Bosman, A.L. & Hockey, P.A.R. 1988. The influence of seabird guano on the biological structure of rocky intertidal communities on islands off the west coast of southern Africa. South African Journal of Marine Science 7:61-68.

Branch, G.M., Borchers, P., Brown, C.R. & Donnelly, D. 1988. Temperature and food as factors influencing oxygen consumption of intertidal organisms, particularly limpets. American Zoologist 28:137-146.

Breytenbach, G.J. 1988. Why are myrmecochorous plants limited to fynbos (macchia) vegetation types? South African Forestry Journal 144:3-5.

Breytenbach, G.J. 1988. Diet of the Samango Monkey in the Northern Transvaal. South African Journal of Wildlife Research 18:113-119.

Brooke, M. De L. 1988. Sexual dimorphism in the voice of the Greater Shearwater. Wilson Bulletin 100:319-323.

Brooke, R.K. 1988. Attempted parasitism of a Kelp Gull Larus dominicanus by a Reed Cormorant Phalacrocorax africanus. Cormorant 16: 61.

Brooke, R.K. 1988. Birds. (In: King, J.M., ed. Hydrology and hydrobiology in the fynbos biome, Ecosystem Programmes Occasional Report 26. Pretoria : CSIR. pp. 21-23).

Brooke, R.K. 1988. Review: The birds of Burma (Smythies). Ostrich 59:29.

Brooke, R.K. 1988. Review: Conservation of Cameroon mountain forests (Stuart Ed.). Ostrich 59: 48.

Brooke, R.K. 1988. Is the Bimaculated Lark Melanocorypha bimaculata a valid member of the southern African avifauna? Ostrich 59:76-77.

Brooke, R.K. & Cooper, J. 1988. scientific publications of the Percy FitzPatrick Institute of African Ornithology, 1960-1987. Cape Town: Percy FitzPatrick Institute. 49 pp.

Brooke, R.K., Cooper, J., Hockey, P.A.R., Ryan, P.G., Sinclair, J.C., Suter, W. & Tree, A.J. 1988. Distribution, population size and conservation of the Antarctic Tern Sterna vittata in southern Africa. Cormorant 16:107-113.

Brooke, R.K. & Herroelen, P. 1988. The nonbreeding range of southern African bred European Bee-eaters Merops apiaster. Ostrich 59:63-66.

Brooke, R.K. & Vernon, C.J. 1988. Historical records of the Wattled Crane Bugeranus carunculatus (Gmelin) in the Cape Province and the Orange Free State, South Africa. Annals of the Cape Provincial Museums (Natural History) 16:363-371.

Brown, C.R. 1988. Energy requirements for growth of Salvin's Prions Pachyptila vittata salvini, Blue Petrels Halobaena caerulea and Great-winged Petrels Pterodroma macroptera. Ibis 130:527-534.

Brown, C.R. 1988. Energy expenditure during incubation in four species of sub-Antarctic burrowing petrels. Ostrich 59:67-70.

Brown, C.R. 1988. Review: Ornithology in laboratory and field (Pettingill). Ostrich 59:79-80.

Brown, C.R. 1988. Egg temperature and embryonic metabolism of A- and B-eggs of Macaroni and Rockhopper Penguins. South African Journal of Zoology 23:166-172.

Brown, C.R. & Adams, N.J. 1988. Egg temperature, embryonic metabolism, and water loss from the eggs of Subantarctic Procellariiformes. Physiological Zoology 61:126-136.

Brown, C.R. & Prys-Jones, R.P. 1988. Development of homeothermy in chicks of sub-Antarctic burrowing petrels. South African Journal of Zoology 23:288-294.

Burns, M.E.R., Du Plessis, M.A. & Verwoerd, D.J. 1988. Estuaries of the Cape Part II: synopses of available information on individual systems - Report no. 39: Quko (CSE 56). CSIR Research Report 438:1-62.

Butterworth, D.S., Duffy, D.C., Best, P.B. & Bergh, M.O. 1988. On the scientific basis for reducing the South African seal population. South African Journal of Science 84:179-188.

Cooper, J. 1988. Publications and theses on Antarctic and sub-Antarctic birds, 1987. Cormorant 16:41-45.

Cooper, J. 1988. Marine Cormorants breeding on the mainland at Stony Point, southern Cape. Cormorant 16:55.

Cooper, J. 1988. New data on rarely recorded seabirds in southern Africa. Cormorant 16:114.

Cooper, J. 1988. Review: Proceedings of a colloquium on the use/abuse of strychnine. Ostrich 59:24.

Cooper, J. 1988. Bird ringing at Gough Island, 1982-1987; with an analysis of movements of Wandering Albatrosses. South African Journal of Antarctic Research 18:21-22.

Cooper, J., Brown, C.R., Gales, R.P., Hindell, M.A., Klages, N.T.W., Moors, P.A., Pemberton, D., Ridoux, V., Thompson, K. & Van Heezik, Y. 1988. Food and feeding habitats of crested penguins (abstract). Cormorant 16:123-124.

Cooper, J. & Condy, P.R. 1988. Environmental conservation at the sub-Antarctic Prince EdWard Islands: a review and recommendations. Environmental Conservation 15:317-326.

Crawford, R.J.M. & Macdonald, I.A.W. 1988. Linkages between data sets from the same and different ecosystems. (In: MacDonald, I.A.W. & Crawford, R.J.M., Eds. Long-term data series relating to southern Africa's renewable natural resources. South African National Scientific Programmes Report 157:436-449.

Crowe, T.M. 1988. Review: Neotropical ornithology (Buckley et al. Eds). Ostrich 59:82.

Crowe, T.M. 1988. Review: Guinea fowl of the world (Belshaw). Ostrich 59:154.

Crowe, T.M. 1988. Molecules vs morphology in phylogenetics: a non-controversy. Transactions of the Royal Society of South Africa 46:317-334.

Crowe, T.M. & Kemp, A.C. 1988. African historical biogeography as reflected by galliform and hornbill evolution. Acta Congressus Internationalis Ornithologici 19:2510-2518.

Dean, W.R.J. 1988. Spider predation on termites (Hodotermitidae). Journal of the Entomological Society of Southern Africa 51:147-148.

Dean, W.R.J. 1988. Breeding of the Goliath Heron at Barberspan, Transvaal. Ostrich 59: 75-76.

Dean, W.R.J. 1988. The avifauna of Angolan miombo woodlands. Tauraco 1:99-104.

Dean, W.R.J. 1988. Review: Birds of the Transvaal (Tarboton, Kemp & Kemp). Tauraco 1:155-156.

Dean, W.R.J. & Colston, P.R. 1988. The taxonomy of Sclater's Lark Spizocorys sclateri. Bulletin of the British Ornithologists' Club 108:173-174.

Dean, W.R.J., Huntley, M.A., Huntley, B.J. & Vernon, C.J. 1988. Notes on some birds of Angola. Durban Museum Novitates 14:43-92.

Dean, W.R.J. & Milton, S.J. 1988. Dispersal of seeds by raptors. African Journal of Ecology 26:173-176.

Dean, W.R.J. & Vernon, C.J. 1988. Notes on the White-winged Babbling Starling Neocichla gutturalis in Angola. Ostrich 59:39-40.

Dowsett, R.J. 1988. Migration among southern African land birds. Acta Congressus Internationalis Ornithologici 19:765-777.

Dowsett, R.J. 1988. Intra-African migrant birds in south-central Africa. Acta Congressus Internationalis Ornithologici 19:778-790.

Dowsett, R.J., Backhurst, G.C. & Oatley, T.B. 1988. Afrotropical ringing recoveries of Palaearctic migrants 1. Passerines (Turdidae to Oriolidae). Tauraco 1:29-63.

Du Plessis, M.A. 1988. Review: Helpers at birds' nests (Skutch). Ostrich 59:125.

Du Plessis, M.A. 1988. The development of kleptoparasitic behavior in Red-billed Woodhoopoes. Wilson Bulletin 100:499-501.

Duffy, D.C., Arntz, W.E., Serpa, H.T., Boersma, P.D. & Norton, R.L. 1988. A comparison of the effects of El Nino and the Southern Oscillation on birds in Peru and the Atlantic Ocean. Acta Congressus Internationalis Orithologici 19:1740-1746.

Duffy, D.C., Ryan, P.G., Wilson, R.P. & Wilson, M.-P. 1988. Spring seabird distribution in the Straits of Magellan. Cormorant 16:98-102.

Duffy, D.C. & Wissel, C. 1988. Models of fish school size in relation to environmental productivity. Ecological Modelling 40:201-211.

Espitalier-Noel, G., Adams, N.J. & Klages, N.T. 1988. Diet of the Imperial Cormorant Phalacrocorax atriceps at sub-Antarctic Marion Island. Emu 88:43-46.

Fraser, M.W., Ryan, P.G. & Watkins, B.P. 1988. The seabirds of Inaccessible Island, South Atlantic Ocean. Cormorant 16:7-33.

Furness, R.W. 1988. Influences of status and recent breeding experience on the moult strategy of the Yellow-nosed Albatross Diomedea chlororhynchos. Journal of Zoology, London 215:719-727.

Gartshore, N.A., Cooper, J. & Hunter, S. 1988. Bird ringing at Marion and Prince EdWard Islands, 1982-1987; with an analysis of movements since 1951. South African Journal of Antarctic Research 18:23-29.

Gartshore, N.A., Steele, W.K. & Klages, N.T. 1988. Summer diet of the Salvin's Prion at sub-Antarctic Marion Island. South African Journal of Zoology 23:309-313.

Hockey, P.A.R. 1988. Kelp Gulls Larus dominicanus as predators in kelp Macrocystis pyrifera beds. Oecologia 76:155-157.

Hockey, P.A.R. 1988. Review: Les oiseaux des regions forestieres du nord-est du Gabon, vol. 1 (Brosset & Erard). Ostrich 59:83.

Hockey, P.A.R. 1988. The Brown Locust - war or peace? (In: Mckenzie, B. & Longridge, M., eds. Proceedings of the Locust Symposium, Kimberley 1987. South African Institute of Ecologists' Bulletin special issue. pp. 145-153.)

Hockey, P.A.R. 1988. The Brown Locust - war or peace? South African Journal of Science 84:8-10.

Hockey, P.A.R. 1988. Exploitation of intertidal invertebrates in Transkei and Ciskei. (In: Branch, G.M. & Shackleton, L.Y., eds. Research needs in the Transkei and Ciskei coastal zone. South African National Scientific Programmes Report 155:13-15.)

Hockey, P.A.R., Allan, D.G., Rebelo, A.G. & Dean, W.R.J. 1988. The distribution, habitat requirements and conservation status of Rudd's Lark Heteromirafra ruddi in South Africa. Biological Conservation 45:255-266.

Hockey, P.A.R. & Bosman, A.L. 1988. Stabilizing processes in bird-prey interactions on rocky shores. (In: Vannini, M. & Chelazzi, G., eds. Behavioral adaptations to intertidal life. New York: Plenum Press. pp. 297-315.)

Hockey, P.A.R., Bosman, A.L. & Ryan, P.G. 1988. What determines prey selection by Kelp Gulls Larus dominicanus in multispecies mussel communities? Cormorant 16:103-106.

Hockey, P.A.R., Bosman, A.L. & Siegfried, W.R. 1988. Patterns and correlates of shellfish exploitation by coastal people in Transkei: an enigma of protein production. Journal of Applied Ecology 25:353-363.

Holmes, P.M. & Rebelo, A.G. 1988. The occurrence of seed-feeding Zulubius acaciaphagus (Hemiptera, Alydidae) and its effects on Acacia cyclops seed germination and seed banks in South Africa. South African Journal of Botany 54:319-324.

Hunter, S. 1988. The feeding ecology of avian predator-scavengers at Marion Island. (In: Tasker, M.L., ed. Seabird food and feeding ecology: proceedings of the Third International Conference of the Seabird Group. Privately published. pp. 28-29.)

Jackson, S. 1988. Diets of the White-chinned Petrel and Sooty Shearwater in the southern Benguela region, South Africa. Condor 90:20-28.

Jackson, S. & Cooper, J. 1988. Use of fibre-optic endoscopes in studies of gastric digestion in carnivorous vertebrates. Comparative Biochemistry and Physiology 91A:305-308.

Jarman, M.L., Moll, E.J. & Macdonald, I.A.W. 1988. Conclusions and recommendations for future activities at the site. (In: Jarman, M.L., ed. A description of the Fynbos Biome Project intensive study site at Pella. Ecosystem Programmes Occasional Report 33:77-85.

Jeffery, J.D., Holmes, P.M. & Rebelo, A.G. 1988. Effects of dry heat on seed germination in selected indigenous and alien legume species in South Africa. South African Journal of Botany 54:28-34.

Kemp, A.C. & Dean, R. 1988. Diet of African Marsh Harriers from pellets. Gabar 3:54-55.

Klages, N.T., Brooke, M. De L. & Watkins, B.P. 1988. Prey of Northern Rockhopper Penguins at Gough Island, South Atlantic Ocean. Ostrich 59:162-165.

Koen, J.H. 1988. Stratal distribution and resource partitioning of birds in the Knysna Forest, South Africa. African Journal of Ecology 26:229-238.

Komen, J. 1988. The food supply of Cape Vultures in the Magaliesberg. Vulture News 19:5-13.

Komen, J. & Myer, E. 1988. European Reed Warblers in Namibia. Ostrich 59:142-143.

La Cock, G.D. 1988. Effect of substrate and ambient temperature on burrowing African Penguins. Wilson Bulletin 100:131-132.

La Cock, G.D. & Cooper, J. 1988. The breeding frequency of Jackass Penguins on the west coast of South Africa. Journal of Field Ornithology 59:155-156.

Laugksch, R.C., Cooper, J. & Walter, C.B. 1988. Diet and population trends of Jackass Penguins and Swift Terns on the west coast of South Africa, 1953 to 1986. (In: Macdonald, I.A.W. & Crawford, R.J.M., eds. Long-term data series relating to southern Africa's renewable natural resources. South African National Scientific Programmes Report 157:35-38.)

Little, R.M. & Bainbridge, W.R. 1988. Avifaunal conservation in the State Forests of the Natal Drakensberg. (In: Backhurst, G.C., ed. Proceedings of the Sixth Pan-African Ornithological Congress, Francistown 1985. Nairobi: Sixth PAOC Organizing Committee. pp. 263-280.)

Macdonald, I.A.W. 1988. Introduced organisms. (In: Summary Report of the International Workshop on Botanical Research and Management in Galapagos, 1987. Santa Cruz Island: Galapagos National Park Service and the Charles Darwin Research Station. pp. 64-90.)

Macdonald, I.A.W. 1988. Problems of alien invader species - an overview. (In: Van Warmelo, W. & Moll, E.J., ed. Rational biomass utilization in the greater Cape Town region. Cape Town?: Botanical Society of South Africa. pp. 4-6)

Macdonald, I.A.W. 1988. Invasive alien plants and their control in southern African nature reserves. (In: Thomas, L.K., ed. Proceedings of the Conference on Science in the National Parks, Fort Collins, July 1986, 5:63-79.

Macdonald, I.A.W. 1988. Review: Birds of eucalypt forests and woodlands: ecology, conservation, management (Keast, Recher, Ford & Saunders Eds). Ostrich 59:13.

Macdonald, I.A.W. 1988. The history, impacts and control of introduced species in the Kruger National Park, South Africa. Transactions of the Royal Society of South Africa 46:251-276.

Macdonald, I.A.W. & Crawford, R.J.M., eds. 1988. Long-term data series relating to southern Africa's renewable natural resources. South African National Scientific Programmes Report 157:1-497.

Macdonald, I.A.W., Crawford, R.J.M. Siegfried, W.R. & Huntley, B.J. 1988. Long-term environmental change in and around southern Africa. South African Journal of Science 84:483-486.

Macdonald, I.A.W. & Frame, G.W. 1988. The invasion of introduced species into nature reserves in tropical savannas and dry woodlands. Biological Conservation 44:67-93.

Macdonald, I.A.W. & Gertenbach, W.P.D. 1988. A list of alien plants in the Kruger National Park. Koedoe 31:137-150.

Macdonald, I.A.W., Graber, D.M., Debenedetti, S., Groves, R.H. & Fuentes, E.R. 1988. Introduced species in nature reserves in mediterranean-type climatic regions of the world. Biological Conservation 44:37-66.

Macdonald, I.A.W., Ortiz, L., Lawesson, J.E. & Nowak, J.B. 1988. The invasion of highlands in Galapagos National Park by the Red Quinine Tree Cinchona succirubra. Environmental Conservation 15:215-220.

Maclean, G.R. & Prys-Jones, R.P. 1988. Kleptoparasitism in three species of passerine birds. Ostrich 59:45-47.

Malan, G. 1988. Aggression between Black Sparrowhawks and African Fish Eagles. Gabar 3:105.

Mathews, N.J.C. & Brooke, R.K. 1988. Notes on the foraging behavior of the Zigzag Heron. Wilson Bulletin 100:147-148.

Milton, S.J. & Dean, W.R.J. 1988. Flower and fruit production of Rhigozum obovatum (Bignoniaceae) in road reserves and grazing land. South African Journal of Science 84:798-799.

Milton, S.J. & Macdonald, I.A.W. 1988. Tree deaths near tar roads in the Northern Transvaal. South African Journal of Science 84:164-165.

Oatley, T.B. 1988. Change in winter movements of Cape Gannets. In: MacDonald, I.A.W. & Crawford, R.J.M., eds. Long-term data series relating to southern Africa's renewable natural resources. South African National Scientific Programmes Report 157:40-42.

Oatley, T.B. 1988. Antarctic and sub-Antarctic seabird banding, July 1984-June 1985. Cormorant 16:46-50.

Oatley, T.B. & Rammesmayer, M.A.M. 1988. Review of recoveries of ringed White Storks Ciconia ciconia in southern Africa. Ostrich 59:97-104.

Rebelo, A.G. 1988. Review: The dynamic partnership: birds and plants in southern Australia (Ford & Paton). Ostrich 59:149.

Rebelo, A.G. & Holmes, P.M. 1988. Commercial exploitation of Brunia albiflora (Bruniaceae) in South Africa. Biological Conservation 45:195-207.

Ross, G.J.B., Colclough, J.H. & Maritz, W. 1988. Population trends of Cape Gannets on Bird Island, Algoa Bay. (In: MacDonald, I.A.W. and Crawford, R.J.M., eds. Long-term data series relating to southern Africa's renewable natural resources. South African National Scientific Programmes Report 157:96-99.)

Ryan, P.G. 1988. Recommendations for controlling plastic pollution. Cape Town: FitzPatrick Institute: 2 pp.

Ryan, P.G. 1988. Intraspecific variation in plastic ingestion by seabirds and the flux of plastic through seabird populations. Condor 90:446-452.

Ryan, P.G. 1988. Commentary: Concern about plastic pollution in Southern Ocean seabirds. Cormorant 16:1-2.

Ryan, P.G. 1988. The characteristics and distribution of plastic particles at the sea-surface off the southwestern Cape Province, South Africa. Marine Environmental Research 25:249-273.

Ryan, P.G. 1988. Effects of ingested plastic on seabird feeding: evidence from Chickens. Marine Pollution Bulletin 19:125-128.

Ryan, P.G., Bosman, A.L. & Hockey, P.A.R. 1988. Notes on the foraging behaviour of Magellanic Flightless Steamer Ducks and Flying Steamer Ducks. Wildfowl 39:29-33.

Ryan, P.G., Connell, A.D. & Gardner, B.D. 1988. Plastic ingestion and PCBs in seabirds: is there a relationship? Marine Pollution Bulletin 19:174-176.

Ryan, P.G. & Fraser, M.W. 1988. The use of Great Skua pellets as indicators of plastic pollution in seabirds. Emu 88:16-19.

Ryan, P.G. & Moloney, C.L. 1988. Effect of trawling on bird and seal distributions in the southern Benguela region. Marine Ecology Progress Series 45:1-11.

Ryan, P.G. & Watkins, B.P. 1988. Birds of the inland mountains of western Dronning Maud Land, Antarctica. Cormorant 16:34-40.

Ryan, P.G. & Watkins, B.P. 1988. Accumulation of stranded plastic objects and other artefacts at Inaccessible Island, central South Atlantic Ocean. South African Journal of Antarctic Research 18:11-13.

Schneider, D.C., Duffy, D.C. & Hunt, G.R. 1988. Cross-shelf gradients in the abundance of pelagic birds. Acta Congressus Internationalis Ornithologici 19: 976-981.

Shannon, L.V., Shackleton, L.Y. & Siegfried, W.R. 1988. The Benguela Ecology Programme: the first five years. South African Journal of Science 84:472-475.

Siegfried, W.R. 1988. Review: The Atlantic Alcidae (Nettleship & Birkhead Eds). Ostrich 59:7.

Siegfried, W.R. 1988. ToWards high-benefit and low-cost locusts: a call for change in the Praetorian Guard. (In: McKenzie, B. & Longridge, M., eds. Proceedings of the Locust Symposium, Kimberley 1987. South African Institute of Ecologists Bulletin special issue. pp. 2-11.)

Siegfried, W.R. 1988. Concluding remarks. In: MacDonald, I.A.W. & Crawford, R.J.M., eds. Long-term data series relating to southern Africa's renewable natural resources. South African National Scientific Programmes Report 157: 477-480.)

Siegfried, W.R., Hockey, P.A.R., Ryan, P.G. & Bosman, A.L. 1988. Sex and plumage-type ratios of the Lesser Magellan Goose in southern Chile. Wildlfowl 39:15-21.

Siegfried, W.R., Sealy, S.G. & Armstrong, A.J. 1988. A comparison of body-size scaling between Antarctic and Arctic seabirds. Acta Congressus Internationalis Ornithologici 19:1156-1175.

Steele, W.K. 1988. New breeding locality data for southern African seabirds: Kelp Gull Larus dominicanus. Cormorant 16:61.

Steele, W.K. & Louw, G.N. 1988. Caecilians exhibit cutaneous respiration and high evaporative water loss. South African Journal of Zoology 23:134-135.

Suter, W. 1988. Courtship display by Sandwich Terns Sterna sandvicensis in South Africa. Cormorant 16: 115-116.

Tazawa, H., Turner, J.S. & Paganelli, C.V. 1988. Cooling rates of living and killed Chicken and Quail eggs in air and in helium-oxygen gas mixture. Comparative Biochemistry and Physiology 90A:99-102.

Tazawa, H.,Wakayama, H., Turner, J.S. & Paganelli, C.V. 1988. Metabolic compensation for gradual cooling in developing chick embryos. Comparative Biochemistry & Physiology 89A:125-129.

Turner, J.S. 1988. Body size and thermal energetics: how should thermal conductance scale? Journal of Thermal Biology 13:103-117.

Turner, J.S. 1988. Review: Inventory of bird egg collections of North America (Kiff & Hough). Ostrich 59:83.

Underhill, J.G. & Hockey, P.A.R. 1988. The potential of the Southern African Bird Atlas project for long-term population monitoring. (In: MacDonald, I.A.W. & Crawford, R.J.M., eds. Long-term data series relating to southern Africa's renewable natural resources. South African National Scientific Programmes Report 157: 468-475.

Usher, M.B., Kruger, F.J., Macdonald, I.A.W., Loope, L.L. & Brockie, R.E. 1988. The ecology of biological invasions into nature reserves: an introduction. Biological Conservation 44:1-8.

Vernon, C.J. & Dean, W.R.J. 1988. Further African bird-mammal feeding associations. Ostrich 59:38-39.

Wilson, R.P. & Wilson, M.P. 1988. The foraging ecology of spheniscid penguins (abstract). Cormorant 16:137.

Wilson, R.P. & Wilson, M.-P.T. 1988. Foraging behaviour in four sympatric Cormorants. Journal of Animal Ecology 57:943-955.

Wilson, R.P. & Wilson, M.-P. 1988. Dead reckoning: a new technique for determining penguin movements at sea. Meeresforschung 32:155-158.

Wilson, R.P., Wilson, M.-P.T. & Duffy, D.C. 1988. Contemporary and historical patterns of African Penguin Spheniscus demersus: distribution at sea. Estuarine, Coastal and Shelf Science 26:447-458.

Yeaton, R.I., Frost, S. & Frost, P.G.H. 1988. The structure of a grass community in Burkea africana savanna during recovery from fire. South African Journal of Botany 54:367-371.