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Vegetational patterns in burned and unburned areas investigated by using the detrended fluctuation analysis

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  • Telesca, Luciano
  • Lasaponara, Rosa

Abstract

Could the dynamics of vegetation covers be significantly influenced by fires? Is it possible to identify and quantify such effect? In order to detect fire-induced variability in vegetational dynamics, we performed a fluctuation analysis of time series of satellite SPOT-VEGETATION normalized difference of vegetation index (NDVI) data from 1998 to 2003 of two shrub-land test sites. We used the detrended fluctuation analysis (DFA), which permits the detection of persistent properties in nonstationary signal fluctuations. We analyzed two shrub-land sites, one in “healthy conditions” (fire-unaffected) and the other in “ill conditions” (fire-affected). Our results point out to the active role played by fires in increasing the persistence of the vegetation dynamics.

Suggested Citation

  • Telesca, Luciano & Lasaponara, Rosa, 2006. "Vegetational patterns in burned and unburned areas investigated by using the detrended fluctuation analysis," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 368(2), pages 531-535.
    • Handle: RePEc:eee:phsmap:v:368:y:2006:i:2:p:531-535
    DOI: 10.1016/j.physa.2005.12.006
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    Cited by:

    1. López, J.L. & Veleva, L., 2022. "2D-DFA as a tool for non-destructive characterisation of copper surface exposed to substitute ocean water," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 586(C).

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