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Documents disponibles écrits par cet auteur (6)
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Article
A. C. Kemp, Auteur ; G. A. Benn, Auteur ; K. S. Begg, AuteurThe extensive spatial organization of many large-bird populations is difficult to assess. We used a geographic information system to correlate vegetation structure with random sightings for four large bird species that occur throughout the 20,00[...]
Article
J. J. Herholdt, Auteur ; A. C. Kemp, Auteur ; D. Du Plessis, Auteur
Article
Breeding status and ecology of the martial eagle in the Kalahari Gemsbok National Park, South Africa
J. J. Herholdt, Auteur ; A. C. Kemp, AuteurThe success of 16 nesting areas (territories) of Martial Eagles was monitored for seven successive years (1988-1994) in a protected area in the Kalahari desert of South Africa. Martial Eagles mostly laid in consecutive years (38 out of 53 attemp[...]
Article
A. C. Kemp, Auteur ; K. S. Begg, AuteurThe activity, age, sex and group size was recorded for 10 177 instantaneous samples of 18 species of large (>1 kg) birds in the Kruger National Park, South Africa, during 1991-94. The samples. (75-2816 per species) were compared for four foragin[...]
Article
A. C. Kemp, AuteurI trapped. marked, sexed and examined moult and softparts on 101 free-living Greater Kestrels Falco rupicoloides near Pretoria, South Africa, during 1975-1988. I collected and plucked one kestrel to determine the number and mass of its feather t[...]
Article
A. C. Kemp, AuteurTwenty-three species of African hornbill (Bucerotiformes) are recognised under the present conservative taxonomy, divided among three genera and subdivided into 13 subspecies. Only one species (Yellow-casqued Wattled Hornbill Ceratogymna elata) [...]
