Now showing items 71-80 of 80
Land use analysis using GIS : a case study of Richards Bay Minerals' Zulti South mining lease area.
The past centuries have been marked with massive land conversions from one land use category, usually natural vegetation, to another. The forces that drive these land use changes are complex and poorly understood. However, ...
Remote sensing of forest health : the detection and mapping of Pinus patula trees infested by Sirex noctilio.
Sirex noctilio is causing considerable mortality in commercial pine forests in KwaZulu- Natal, South Africa. The ability to remotely detect S. noctilio infestations remains crucial for monitoring the spread of the wasp ...
A study of vegetation change along the North Coast of KwaZulu-Natal from the Umgeni River to the Tugela River.
The vegetation along the north coast of KwaZulu-Natal has long been considered to have originally consisted of forest, scrub forest and savanna. The classical view is that in the last 600 years the early Africans and ...
Late quaternary palaeoenvironments of the Mfabeni Peatland, Northern KwaZulu-Natal.
To assist in developing a more precise understanding of past climatic changes in southern Africa, further pollen analytical research is required. In the past, pollen sites in the subregion have been restricted to swampy ...
The origin and dynamics of Wakkerstroom Vlei, Mpumalanga Province, South Africa.
The formation and common occurrence of riparian wetlands within the semi-arid Highveld interior of South Africa, a landscape setting undergoing extensive long-term fluvial incision, is an enigma and the underlying controls ...
A model of communities' perception of municipal service delivery in South Africa with particular reference to Pietermaritzburg.
Abstract available in PDF.
Analysis of high ozone events over Africa using aircraft data.
Previous research has shown that there is considerable enhancement of tropospheric ozone over the African continent. The role of biomass burning as a source of ozone precursor gases and the atmospheric circulation, in ...
Aerosols and atmospheric circulation characteristics over Durban.
The main objective of this study was to investigate the vertical distribution of aerosols over Durban in relation to the vertical stability structure and horizontal transport of air masses. The importance of aerosols in ...
Nature and characteristics of tropospheric ozone over Johannesburg.
The aim of this thesis is to examine the nature and characteristics of tropospheric ozone over Johannesburg, South Africa. Ozone, water vapour and meteorological profile data, which form part of the MOZAIC (Measurement ...
From herdsmen to safari guides : an assessment of environmental partnerships at IL Ngwesi, Laikipia district, Kenya.
This thesis provides an analysis of a community based conservation project in northern Kenya and also considers broader theoretical questions relating to the establishment of successful environmental partnerships. In East ...