Browsing Book Chapters by Author "Wessels, Konrad J"

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Assessing degradation across a land-use gradient in the Kruger National Park area using advanced remote sensing modalities

Author: Van Aardt, JAN ; Mathieu, Renaud SA ; Cho, Moses A ; Wessels, Konrad J ; Erasmus, B ; Asner, GP ; Smit, IPJ Date: 2011 Land degradation is regarded as one of the most important environmental issues facing sub-Saharan Africa and is especially relevant in the former communal ‘homeland’ areas of South Africa. Although it has been a topic of intense research, ... Read more
Detecting inter-annual variability in the phenological characteristics of southern Africa’s vegetation using satellite imagery

Author: Wessels, Konrad J ; Steenkamp, Karen C ; Von Maltitz, Graham P ; Archibald, S Date: 2011 Vegetation phenology refers to the timing of seasonal biological events (for example, bud burst, leaf unfolding, vegetation growth and leaf senescence) and biotic and abiotic forces that control these. Daily, coarse-resolution satellite imagery ... Read more
Dryland systems

Author: Wessels, Konrad J Date: 2006 This chapter describes the current condition of dryland systems with respect to the services they provide and the drivers that determine trends in their provision. Within the context of the mounting global concern caused by land degradation ... Read more
Impact of ENSO events on the Kruger National Park’s vegetation

Author: Wessels, Konrad J ; Dwyer, PC Date: 2011 The El Niño Southern Oscillation (ENSO) is a global coupled ocean-atmosphere phenomenon that is a primary driver of inter-annual variability in the rainfall and consequently the vegetation production of southern African rangelands. Evidence ... Read more
Monitoring land degradation with long-term satellite data

Author: Wessels, Konrad J Date: 2011 In South Africa, land degradation in rangelands has been regarded as a major environmental problem for many years. During the last ten years, attention focussed on the land degradation in the former homelands, now communal lands. There is an ... Read more
Monitoring land degradation with long-term satellite data in South Africa.

Author: Wessels, Konrad J ; Prince, S Date: 2007 Desertification is defined by the United Nations Convention to Combat Desertification (UNCCD) as ‘land degradation in arid, semi-arid and dry sub-humid areas (dry-lands) resulting from various factors, including climatic variations and human ... Read more

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Browsing Book Chapters by Author "Wessels, Konrad J"

Browsing Book Chapters by Author "Wessels, Konrad J"

Browse

All of ResearchSpace

This Collection

Quick Links

Legislation and compliance

General Enquiries

Social Connect