Faculty of Science e-Theses Collection: Recent submissions
Now showing items 201-220 of 257
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Characterization of Anopheles gambiae (Giles) Breeding Sites in Gokwe South, Zimbabwe
(2012-08-29)Anopheles gambiae Giles larval breeding habitats were characterized in Gokwe South district in Zimbabwe to determine the ecological parameters of Anopheles breeding sites and identify their associations with larval density. ... -
A compartive study of vegetation structure and visibility at Wild Dog (Lycaon pictus) kill sites in and outside Hwange National Park
(2012-08-29)The objective of this study was to compare vegetation structure and visibility at sites at which wild dogs (Lycaon pictus) had killed kudu (Tragelaphus strepsiceros) and impala (Aepyceros melampus). The kill sites, within ... -
Impact of cultivation on soil and species composition of the Monavale Vlei, Harare
(2012-08-29)The study assessed the impact of cultivation on soil properties, species richness (grass and herbaceous) and species composition on the Monavale vlei. The results revealed that cultivation had an impact on nitrogen levels, ... -
Morphological variation in bills and claws in relation to Prey type in Southern African Birds of Prey (Orders Falconiformes and Strigiformes)
(2012-08-29)Bill and claw morphological characteristics were measured to establish the extent of functional similarities in the hunting and feeding apparatus among Southern African birds of prey (orders Falconiformes and Strigiformes) ... -
Malaria Vector Status and Insecticide Susceptibility Studies in Zimbabwe
(2012-08-29)The major problem that has evolved from malaria control progammes that utilize insecticides for vector control is the development of insecticide resistance. In Zimbabwe, despite decades of pesticide usage there is limited ... -
Influence of elephant (Loxodonta africana Blumenbach) on Baikiaea plurijuga dominated woody vegetation around natural and artificial watering points in the northern part of Hwange National Park, Zimbabwe
(2012-08-29)The extent of elephant damage on shrub and mature Baikiaea plurijuga was investigated around artificial and natural watering points in the Main Camp area of Hwange National Park. Damage was scored on a percentage basis for ... -
Towards a suitable framework for blended multimedia e-learning applications
(2012-08-29)Most universities in developing countries are using a teaching and learning approach known as blended e-learning, however, there was no a framework for blended multimedia-based e-learning applications. Further, there is ... -
Optimisation of the growth conditions and genetic characterisation of Pleurotus species
(2012-08-29)A comprehensive genetic and optimisation of the growth conditions study of fifteen Pleurotus species and strains from Belgian Coordinated Collections of Microrganisms/ Mycotheque de l’ Université Catholique de Louvain ... -
Integrated Improved Security System Techniques in Combating Crime Using the Biometrics at the National Airport of Zimbabwe
(2012-08-29)Biometrics have become very popular as a tool in combating crime in the world. This has also been necessitated by the September 11 2001 event. Despite all the research that has been carried out the improvement of the ... -
The Abundance and Biting Behaviour of Anopheles merus (Dönitz) in Gokwe South District, Zimbabwe
(2012-08-29)Malaria is a major public health problem in most sub-Saharan countries. Anopheles merus (Dönitz), a saltwater breeding member of An. gambiae complex, is involved in low rate malaria transmission in this region. In this ... -
To find cost effective routes that are able to meet the fuel/time constraints using the Intelligent Transportation Systems in VANETS
(2012-08-29)The use of real-time information in Intelligent Transportation Systems (ITS) in particular Vehicular Ad hoc Networks (VANETs) has the potential to improve traffic conditions and reduce travel delays by facilitating better ... -
Collaborative Learning in an ICT Text Based Synchronous and Asynchronous Learning Communities. What Impact Does it Have on Learning Outcomes?
(2012-08-29)This dissertation analyses collaborative learning in synchronous and asynchronous learning communities and come up with the best suitable e-learning community for the Zimbabwean distance students. It focuses on the University ... -
Designing a Quality of Service for mobile Ad Hoc Networks carrying multimedia traffic.
(2012-08-29)Multimedia transmission over communication networks has been growing rapidly with respect to the number of users and the amount and type of traffic. Wireless communications are a fast emerging technology and have become ... -
The use of knowledge bases as repositories in learning environments.
(2012-08-29)This dissertation proposes a method of management of Learning Objects Repositories (LORs). It looks at both the storage and search of learning objects (LOs) in the LORs. The focus is on how LORs can be structured in order ... -
Challenges for TFRC as a Real-Time Protocol Over Multihop Wireless Ad Hoc Networks
(2012-08-29)Multihop wireless networks are emerging as a natural extension of the global Internet for scenarios where wired connections are unfeasible, impossible, or undesired. In these networks,nodes cooperate among themselves by ... -
MANETS/VANETS in AutomobileSystems: A Simulative Study into how Mobile Ad-hoc Networks can be used in Traffic Control Systems
(2012-08-29)This thesis describes the modeling and implementation of an advanced traffic signal control system within a simulation environment, thus creating a laboratory for the evaluation of advanced traffic control strategies ... -
Using Genetic Engineering Algorithm to Prevent Subversion of an Intrusion Detection System
(2012-08-29)Intruders mercilessly attack commercial, academic, defence; healthy centers distributed (networked) systems frequently, and often successfully. The challenges of intruders have become very critical. The most perceived ... -
Quality of Service in Wireless Ad-hoc Networks
(2012-08-29)As a consequence of the increased popularity of wireless local area networks (WLANs) based on IEEE 802.11, the interest for ad hoc networks has also increased. An ad-hoc network is an autonomous wireless network that can ... -
Influence of Brachystegia spiciformis and Parinari curatellifolia on herbaceous flora and soils in Mukuvisi Woodlands, Harare
(2012-08-29)A comparative study between B. spiciformis and P. curatellifolia’s isolated and clumps of trees’ influence on patterning and structure of herbaceous flora and soils with those of adjacent open grasslands was conducted in ... -
Switch: An Extensible Framework for the Generation of Bespoke and Dynamic Software Development Models
(2012-08-29)Attempts to come up with a single Software Process Model (SPM) that can be used in all development scenarios have failed. The same can be said for the approach that seeks to come up with an authoritative and exhaustive set ...