Now showing items 1-10 of 53
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 ...
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 ...
Aspects of the ecology and exploitation of the fishes of the Kosi Bay system, KwaZulu, South Africa.
ln this study the exploitation of the fish fauna of the Kosi estuarine system by man and natural predators is described and estimates made of the off-take and its species composition. The most important ...
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 ...
Biological studies of bottlenose dolphins from Natal coastal waters.
The biology of bottlenose dolphins from the east coast of southern Africa is investigated. Births occur predominantly in summer, after a one year gestation period. Calves are born at a length of approximately 103 cm and ...
Aspects of the biology and population dynamics of freshwater mussels in Lake Kariba and Lake McIlwaine.
Following preliminary observations in 1975 the Lake Kariba Fisheries Research Institute implemented a research program in March 1976 to investigate various aspects of the biology and population dynamics of the mussel ...
A study of the blackshouldered kite Elanus caeruleus.
No abstract available.
Potential of established pastures in the winter rainfall region.
The seasonal production of 11 pastures was evaluated in dryland and irrigated trials at eight sites in the Winter Rainfall Region. These data were related to ...
Dormancy and germination of the Manketti nut, Ricinodendron rautanenii.
The distribution of Ricinodendron rautanenii trees is confined to a fairly distinct band across southern Africa. This stretches from South West Africa in the west, through Botswana and Zimbabwe, to Mozambique in the ...
A revision of the genus Ancilla Lamarck, 1799 (Mollusca : Olividae : Ancillinae)
The genus Ancilla Lamarck, 1799, contains 34 valid species and subspecies; 41 names previously applied to the group are reduced to 23, and 11 new species described (Kilburn, 1977, 1980, 1981). A provisional subgeneric ...