Browsing Biological Sciences by Title
Now showing items 310-329 of 733
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Habitat use and feeding ecology of the roan antelope at Weenen Nature Reserve.
(1995)The roan antelope Hippotragus equinus equinus, is listed as endangered in the South African Red Data Book. A herd of nine roan were introduced to Weenen Nature Reserve (WNR) in 1988. The herd has since increased to ... -
Habitat use by ungulates in Thanda Private Game Reserve, KwaZulu-Natal.
(2008)Knowledge of habitat use and selection is essential to managing ungulate populations. This study assesses habitat use by elephant (Loxodonta Africana), giraffe (Giraffa camelopardalis), kudu (Tragelaphus strepsiceros), ... -
Habitat use of Long-crested Eagles in human-modified landscapes of KwaZulu-Natal, South Africa.
(2019)Loss of natural habitats due to land use change is threatening biodiversity globally, a cause for concern given the resulting loss of essential ecosystem services. Conservation of biodiversity within human-modified landscapes ... -
The habitat, nesting and foraging requirements of southern ground-hornbills in the Kruger National Park.
(2016)Southern ground-hornbills Bucorvus leadbeateri are large, terrestrial, carnivorous birds that inhabit the savanna and bushveld habitats of much of Africa, south of the equator. They were once prevalent in north-eastern ... -
The health-related microbial quality of drinking water from ground tanks, standpipes and community tankers at source and point-of-use in eThekwini Municipality : implications of storage containers, household demographics, socio-economic issues, hygiene and sanitation practices on drinking water quality and health.
(2009)The aim of this study was to investigate the microbiological quality of drinking water at the source (taps at eThekwini laboratories, standpipes and mobile community tankers) and corresponding point-of-use (storage ... -
Heavy metals in South African medicinal plants.
(2008)Plants are able to take up and accumulate certain environmental contaminants such as heavy metals. When the plants are ingested by man, these contaminants are transferred along the food chain. Due to the poorly regulated ... -
The herpetofauna of the Owen Sitole College of Agriculture, Zululand.
(1990)A herpetofaunal study was undertaken at the 670 ha Owen Sitole College of Agriculture (OSCA) near Empangeni, Zululand, from 1986 to 1988. Collecting was carried out primarily opportunistically, throughout all seasons. A ... -
A herpetological survey of the Transvaal.
(1989)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 ... -
Histo-phytochemical evaluation and characterisation of the foliar structures of Tagetes minuta L. (Asteraceae).
(2018)Plants have been used as ethnomedicine for millennia. In recent years, there has been an upward surge of interest in the use of plants as medicine due to the interest in drugs with fewer side effects as well as the fight ... -
The Holothurian fauna of Southern Africa.
(1984)The last thorough revision of the southern African holothurian fauna appeared in 1948 and since then there have been numerous additions to the fauna . A comprehensive revision of the fauna is here undertaken on the basis ... -
Hormonal regulation of tuberization of cassava (Manihot esculenta Crantz)
(1984)The relative distribution of dry matter over shoot and tuberous roots is an important factor in determining the yield of cassava. Under sub-tropical conditions the dry matter distribution pattern is not always efficient. ... -
Host specificity in South African mistletoes.
(2013)Mistletoes intimately connect to their host trees with a haustorium that allows them to access nutrients and water. Mistletoes in South Africa vary greatly in their degree of host specificity. Most species occur on a wide ... -
Host specificity of the hemiparasitic mistletoe, Agelanthus natalitius.
(2009)Mistletoes are a group of hemiparasitic plants that grow on a wide variety of host trees and differ in their degree of host specificity, ranging from specialists to generalists. Mistletoes can also be locally host specific ... -
Host suitability in the Diderik cuckoo Chrysococcyx caprius - ploceid brood parasitism breeding system.
(2003)Host suitability is critically important to the success of brood parasitism. Parasites must select a host that not only accepts its egg but also is capable of successfully rearing the parasite to fledging. Nearly all ... -
Host-parasitoid interactions of Eldana Saccharina (Lepidoptera: Pyralidae) in Cyperus Papyrus.
(1994)Since becoming a pest in graminaceous crops in Africa, the African sugarcane stalkborer Eldana saccharina Walker has been the subject of much study. Its very cryptic habits have precluded more commonly available control ... -
Host-searching by Goniozus natalensis females elicited by a short- range kairomone in the frass of its natural host Eldana Saccharina.
(1990)Petri dish and olfactometer tests demonstrated that Goniozus natalensis (Gordh) females exhibit a host-searching response upon contact and at a short distance by olfaction, to a kairomone in the frass of its natural host ... -
House Crow (Corvus splendens) Eradication Measures from eThekwini Municipality, KwaZulu-Natal, South Africa
(2018)Abstract available in PDF file. -
How do alien plants invade : an analysis of the historical spread and potential distribution of the invasive alien plant Chromolaena odorata in and around Hluhluwe Game Reserve.
(2009)Alien plant invasions and human-induced land transformations are the two most important factors contributing to loss of biodiversity, and Chromolaena odorata (C. odorata) is one of the world’s worst invader plants. It ... -
Impact of insect growth regulators on non-target species, with an emphasis on Coccinellids on citrus, in Swaziland.
(1998)This study investigated effects of insect growth regulators (IGRs), recommended for use on citrus in southern Africa, on non-target organisms, particularly species of Coccinellidae in and around three citrus estates in ...