Now showing items 41-50 of 53
The feeding ecology of nectarivorous birds in the Natal Drakensberg.
No abstract available.
Control of bush encroachment with fire in the arid savannas of Southeastern Africa.
No abstract available.
A study of the bearded vulture Gypaetus barbatus in southern Africa.
The Bearded Vulture Gypaetus barbatus has experienced a substantial decrease in range in southern Africa during this century. The present population, numbering about 200 pairs, is confined mainly to ...
Social ecology of Otomys irroratus, Rhabdomys pumilio and Praomys natalensis.
This work sets out to describe the socio-ecological niches of otonya irroratus, Rhabdomys pumilio and Praomys natalensis in the Natal midlands. This objective necessitated a broad-based approach in which aspects of ...
A microbal study of water quality in the marine environment off Durban : 1964-1988.
wastewater from the harbour mouth with the outgoing tides, while the discharge from a sewer on the Bluff into the surf-zone amounted to 20 x 103 m3 /day. In addition, there existed more than 90 beach pipes and storrnwater ...
Lipid peroxidation and ageing in seeds of cabbage and soya bean.
It has been suggested that lipid peroxidation is involved in the loss of seed vigour, although many attempts to examine the relationships between lipid peroxidation and seed vigour have proved equivocal. Studies were ...
A herpetological survey of the Transvaal.
This report discusses the taxonomy, distribution and ecology of the herpetofauna of the Transvaal based on a survey conducted over the past 10 years. Seventeen new forms, apart from four new taxa described during the ...
A study of the interrelationships of some Natal species of Senecio (Asteraceae/Compositae)
This dissertation presents the results of studies of the generic concept of Senecio and the subsequent testing of the hypothes is: that many of the species of Senecio in Natal are congeneric with Senecio L. sensu stricto. ...
The plant ecology of seasonally flooded areas of the Pongolo River Floodplain, with particular reference to Cynodon dactylon (L.) Pers.
The impounding of the waters of the Pongolo river, upstream of its floodplain on the Mocambique coastal plain, may adversely affect the functioning of the floodplain system. A multidisciplinary study of the functioning ...