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- W1974659318 abstract "Abstract Savanna ecosystems of southern Africa are strongly influenced by water availability and fire intensity, and this study aimed to show whether these two specific environmental variables are reflected in fossil pollen and charcoal records. Palaeoecological records of charcoal concentration from three short sedimentary sequences were used to reconstruct fire intensity (the rate of energy released along a fire front) over 50 yrs in the Kruger National Park (KNP), South Africa. Fossil pollen percentages from surface and core-sediment samples taken from water bodies were compared with the reconstructed fire intensity over space and time. Higher fire intensity led to increased herbaceous cover and decreased woody plant growth. Fossil pollen percentages and charcoal concentrations were also compared with rainfall records. Increased macroscopic charcoal abundances and percentages of Cyperaceae pollen corresponded to periods of increased rainfall. The results of this study have shown that fossil pollen and charcoal records from savanna environments can be used to reconstruct past fire intensity and its impact on terrestrial vegetation, as well as changes in rainfall." @default.
- W1974659318 created "2016-06-24" @default.
- W1974659318 creator A5041208464 @default.
- W1974659318 date "2008-07-01" @default.
- W1974659318 modified "2023-10-05" @default.
- W1974659318 title "The representation of rainfall and fire intensity in fossil pollen and charcoal records from a South African savanna" @default.
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- W1974659318 doi "https://doi.org/10.1016/j.revpalbo.2008.02.004" @default.
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