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Table 2 Vegetation index analysis between Chepareria, Kongelai and both districts for 2001 and 2014 (total sum and mean)

From: Enclosures in West Pokot, Kenya: Transforming land, livestock and livelihoods in drylands

  Chepareria Kongelai Both areas
km2 1,525 762 2,287
Change in NDVI from 2001 to 2014 (km2 (%))    
 Decreased 148 (10) 145 (19) 294 (13)
 Unchanged 65 (4) 47 (6) 112 (5)
 Increased 1,312 (86) 571 (75) 1,881 (82)
NDVI 2001 (total sum) mean 6.04 5.12 5.73
 St.dev 1.26 1.22 1.54
NDVI 2001 (mean) mean 0.5 0.43 0.48
 St.dev 0.11 0.1 0.13
NDVI 2014 (total sum) mean 6.57 5.41 6.19
 St.dev 1.2 1.12 1.3
NDVI 2014 (mean) mean 0.55 0.45 0.52
 St.dev 0.1 0.09 0.11
  1. NDVI values range from −1 to 1