Browsing Zoology by Issue Date
Now showing items 1-20 of 179
-
-
Intersex in four South African racial groups in Durban.
(1970)Chapter I The ontogeny of sex development is introduced and a definition of the intersexual state is given. A resume of intersexes recorded in South Africa is presented together with figures showing the increased demand ... -
-
Aspects of the biology and ecology of the estuarine fishes of the east coast of South Africa.
(1974)No abstract available. -
Comparative studies on related free-living and pathogenic limax amoebae with particular reference to Naegleria.
(1977)Over two hundred and forty strains of limax amoeba including eight potentially pathogenic strains of Naegleria and Acanthamoeba were isolated from a variety of habitats in South Africa. The amoeboid and flagellate stages ... -
Reproduction and population ecology of the blue wildebeest Connochaetes taurinus taurinus in Zululand.
(1977)A two-year study was made of the blue wildebeest Connochaetes taurinus taurinus in Zululand, Natal. Aspects investigated included age determination methods, growth and condition, reproductive physiology, habitat ... -
Aspects of the biology and population dynamics of freshwater mussels in Lake Kariba and Lake McIlwaine.
(1980)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 ... -
Social ecology of Otomys irroratus, Rhabdomys pumilio and Praomys natalensis.
(1982)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 revision of the genus Ancilla Lamarck, 1799 (Mollusca : Olividae : Ancillinae)
(1982)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 ... -
Aspects of the biology of the caracal (Felis caracal Schreber, 1776) in the Cape Province, South Africa.
(1982)Felis caracal, despite heavy hunting pressure, is common and widespread throughout the Cape Province. Caracal are considered to be the principal wild predator of domestic livestock (goats and sheep) by most farmers ... -
The influence of turbidity on fish distribution in Natal estuaries.
(1984)Studies In other parts of the world have proved that turbidity affects aquatic life and work In Australia and North America has shown that the distribution of some fish species may be determined by the level of turbidity ... -
Aspects of the ecology and exploitation of the fishes of the Kosi Bay system, KwaZulu, South Africa.
(1986)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 ... -
An autecological study of bushbuck and common duiker in relation to forest management.
(1986)Frequent reports of damage caused by bushbuck and common duiker browsing on commercially important timber seedlings, and an interest in the potential and feasibility of hunting these ... -
The biology and systematic relationships of Crowned, Blackwinged and Lesser Blackwinged Plovers.
(1987)Plovers was compared with particular reference to breeding biology, feeding ecology and habitat preference. Crowned and Blackwinged Plovers coexisted in mixed flocks in grasslands which aided predator detect ion and ... -
The feeding ecology of nectarivorous birds in the Natal Drakensberg.
(1987)No abstract available. -
The use of Cape gannets Morus capensis in management of the purse-seine fishery of the western Cape.
(1987)A large purse-seine fishery is located in the highly productive southern Benguela System off the western Cape. Purseseine fisheries have been prone to collapse worldwide and management practices have met with limited ... -
A study of the bearded vulture Gypaetus barbatus in southern Africa.
(1988)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.
(1989)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 ...
