Now showing items 11-15 of 15
Anti-inflammatory and anti-bacterial activity of South African Erythrina species.
An investigation was undertaken to determine whether Erythrina species indigenous to South Africa contained the same type of compounds as Erythrina species not found in South Africa and to determine whether they displayed ...
Characterisation and role of sugarcane invertase with special reference to neutral invertase.
The relationship between extractable invertase activities and sucrose accumulation in the sugarcane (Saccharum spp. hybrids) culm and in vivo invertase mediated sucrose hydrolysis was investigated to determine the significance ...
Rangeland degradation in the southern Kalahari.
Observations by local people in the Mier area, southern Kalahari, South Africa, indicated that degraded rangeland does not recover within a time frame acceptable to landowners. Pristine vegetation in this linear dune ...
Aplexa marmorata (Guilding, 1828)(Basommatophora : Physidae) : an invasive freshwater snail in South Africa.
Invasions of ecosystems by alien species is a worldwide problem. Man, with his constant travelling, introduces organisms to places they have never occurred in before. The introductions may be accidental or deliberate. Some ...
Lion spatial socio-ecology : the effect of habitat on lion group dynamics.
Lions are social, territorial animals that form prides of 2-18 individuals and hold territories ranging in size from 20 to 500 square km. My aim was to investigate the effect of ecological processes on lion spatial demography, ...