Fig 1.
The study area.
Table 1.
Selected bands for classification.
Fig 2.
Species spectral reflectance curves of twelve grass species.
(a) Extracted from Landsat 7 ETM+, (b) Extracted from ASTER MI, (c) Extracted from Sentinel-2.
Table 2.
Confusion matrix for Sentinel-2 MSI.
Table 3.
Confusion matrix for Landsat 7 ETM+.
Table 4.
Confusion matrix for ASTER MI.
Fig 3.
(a) derived from Landsat 7 ETM+, (b) derived from the ASTER MI, (c) derived from Sentinel-2 MSI.
Fig 4.
Vegetation transformation between 2001 and 2021.
Fig 5.
Species contributions to changes in Eragrostis curvula.
Fig 6.
Areas where Themeda triandra succeeded from Eragrostis curvula.
Fig 7.
Species contributions to change in Sporobolus centrifugus.
Fig 8.
Areas where M. junceus succeeded from S. centrifugus.
Fig 9.
Areas where M. junceus succeeded from S. Conrathii.
Fig 10.
Species contributions to changes in Stiburus Conrathii.
Fig 11.
Species contributions to change in Phragmites australis.
Fig 12.
Areas where T. triandra succeeded from P. australis.