NDLI: Interactions between fire and flooding in a southern African floodplain system (Okavango Delta, Botswana)

Content Provider	Springer Nature Link
Author	Heinl, Michael Neuenschwander, Amy Sliva, Jan Vanderpost, Cornelis
Copyright Year	2006
Abstract	A series of 98 satellite images was analysed to reconstruct the fire and flood history of a floodplain system in southern Africa (Okavango Delta, Botswana). The data was used to investigate interactions between fire and flooding, and to determine the relevance of rainfall and flood-events for fire occurrences on floodplains and on drylands. The aims of the study are (1) to analyse and compare the fire frequency on floodplains and on adjacent drylands, (2) to investigate the influence of rainfall and flooding on the fire occurrence and (3) to determine correlations between fire frequency and flood frequency. The analyses show higher fire frequencies on floodplains than on drylands because of higher biomass production and fuel loads. The fire occurrence on drylands shows a correlation with annual rainfall events, while the fire frequency on floodplains is in principle determined by the flood frequency. Between floodplain types, clear differences in the susceptibility to fire where shown by analysing flood frequency vs. fire frequency. Here, the highest potential to burn was found for floodplains that get flooded about every second year. By calculating mean fire return intervals, the potential to burn could be specified for the different floodplain types.
Starting Page	699
Ending Page	709
Page Count	11
File Format	PDF
ISSN	09212973
Journal	Landscape Ecology
Volume Number	21
Issue Number	5
e-ISSN	15729761
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-01-01
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Fire ecology Fire frequency Fire history Flood frequency Landsat Remote sensing Satellite images Savanna Swamp Wetland Ecology Plant Ecology Forestry Forestry Management Landscape Ecology Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Geography, Planning and Development Ecology Nature and Landscape Conservation

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