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Browsing by Subject "South African environmental change"

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Are invasive aliens a real threat to biodiversity in South Africa?

Author: Van Wilgen, B ; Impson, ND Date: 2011 South Africa has abundant biodiversity, but also many invasive alien species, especially plants and fish, that can transform ecosystems. Invading alien trees and shrubs impact on fynbos and threaten up to a quarter of the nation's plant ... 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
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

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Browsing by Subject "South African environmental change"

Browsing by Subject "South African environmental change"

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