Browsing Biological Sciences by Title
Now showing items 350-369 of 733
-
The influence of root chilling on the hydraulic characteristics of selected Eucalyptus taxa.
(2008)The hydraulic conductance of a plant is a significant factor in determining the -
The influence of the monocarpic herb, Isoglossa woodii, on subtropical forest tree dynamics and diversity.
(2009)Dominant understorey species, such as herbs, ferns, palms and shrubs may influence forest tree species diversity and dynamics. Their influence may be through shading the forest floor, thereby affecting regeneration of ... -
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 ... -
The influence of vegetation control on the growth and pulping properties of a eucalyptus grandis x camaldulensis hybrid clone.
(1999)In order to determine if weed control as practised during the establishment phase of tree growth had a beneficial and long term (over a six to eight year rotation) impact on tree performance, a Eucalyptus hybrid clone ... -
The influences of plant secondary metabolites on the foraging behaviour and carrying capacities of the african elephant, loxodonta africana.
(2017)Herbivore diet selection is influenced by plant quality and availability. For browsing and mixed-feeding herbivores, such as elephants, which consume trees and shrubs, plant quality is influenced by the concentrations of ... -
The influences of plant secondary metabolites on the foraging behaviour and carrying capacities of the African elephant, Loxodonta africana.
(2017)Herbivore diet selection is influenced by plant quality and availability. For browsing and mixed-feeding herbivores, such as elephants, which consume trees and shrubs, plant quality is influenced by the concentrations of ... -
Infraspecific systematics of the yellow mongoose Cynictis penicillata.
(1990)Geographic variation was analysed in morphological (colour, morphometric) and genetic (electrophoretic, chromosomal) characters in the yellow mongoose cynictis penicillata, a diurnal, colonial, burrow-dwelling viverrid, ... -
An integrated approach to the management of common reedbuck on farmland in Natal.
(1983)This study was motivated by the Natal Parks Board which has been receiving a growing number of complaints from farmers concerning reedbuck grazing of commercial crops. The reedbuck is an important conservation species, ... -
Integrated physiology and behaviour of Thallomys nigricauda along an aridity gradient.
(2008)Climate change predictions suggest that the continent most vulnerable to climate change is Africa. The impacts of potential changes which include increases in air temperatures and rainfall variability are negative with ... -
The inter-relations among xylem anatomy, hydraulic conductivity and leaf water status in five sub-tropical tree species.
(1991)The wood anatomy, hydraulic properties and leaf water status of five sub-tropical plant species were studied. The specimens studied were growing in a private, irrigated garden. Consequently, any differences in xylem anatomy ... -
The interaction between endophytic Fusarium species and Eldana saccharina (Lepidoptera) following in vitro mutagenesis for F. sacchari tolerance to control the borer in sugarcane.
(2015)Eldana saccharina is a major pest in the South African sugar industry. Stalk damage by this borer and infection of bored tissue by opportunistic fungi result in loss of biomass and sucrose content, respectively. Amongst ... -
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 ... -
Intrinsic and extrinsic influences on African large herbivore assemblages and implications for their conservation.
(2014)Understanding the intrinsic and extrinsic influences that affect large herbivore assemblages are important for protected area managers, especially if their current rate of population decline in Africa continues. I aimed ... -
The invasive potential of the freshwater snail Radix rubiginosa recently introduced into South Africa.
(2011)Invasions of ecosystems by exotic species are increasing and they may often act as a significant driver of the homogenization of the Earth’s biota, resulting in global biodiversity loss. Moreover, the addition of exotic ... -
The invertebrates of indigenous forests in Limpopo province South Africa : diversity, biogeography and conservation.
(2004)In this study I investigated patterns of invertebrate diversity in Limpopo Province indigenous forests, in order to highlight forests and taxa of special conservation significance. Invertebrates from seven target taxa were ... -
An investigation into in vitro culture and phytochemical aspects of some members of the order Cycadales.
(1988)The present-day cycads represent the diverse, modified remnants of a much larger group of gymnosperms which flourished in the Mesozoic Era. The approximately 148 surviving species of the Cycadales are sparsely distributed ... -
An investigation into the biology and medicinal properties of Eucomis species.
(1999)Eucomis (Family Hyacinthaceae) are deciduous geophytes with long, narrow leaves and erect, densely packed flower spikes. The bulbs are greatly valued in traditional medicine for the treatment a variety of ailments, and ... -
An investigation into the potential of faecal sludge for plant production.
(2012)Abstract available in PDF file. -
An investigation into the protein requirement of a marine prawn Fenneropenaeus indicus (H. Milne Edwards)
Abstract available in PDF file. -
An investigation into the robustness of insectary-reared Anopheles Arabiensis for use in the Sterile Insect technique for controlling malaria.
(2018)Human malaria is one of the deadliest vector-borne diseases in the world and is caused by parasites of the genus Plasmodium that are transmitted via mosquitoes of the genus Anopheles. The highest impact of malaria can be ...