An image-based diversity index for assessing land degradation in an arid environment in South Australia

  • Jafari R
  • Lewis M
  • Ostendorf B
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One of the major indirect effects of artificial watering points in a grazed landscape is the development around them of a zone of extreme degradation called a piosphere. We investigated the use of the moving standard deviation index (MSDI) applied to Landsat TM band 3 data for detection and assessment of these zones in the arid grazing lands of South Australia. We found that watering points had significantly higher MSDI values (p

Author-supplied keywords

  • Arid land degradation
  • Landsat TM
  • MSDI
  • NDVI
  • PD54
  • Piosphere

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  • R. Jafari

  • M. M. Lewis

  • B. Ostendorf

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