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Table 3 Spatial variability of the mean climatic and environmental factors in Ndumo area, uMkhanyakude using annual data (n = 580)

From: Modelling the spatial and seasonal distribution of suitable habitats of schistosomiasis intermediate host snails using Maxent in Ndumo area, KwaZulu-Natal Province, South Africa

Layer Min Max Mean SD
Tampl (°C) 12.2635 20.0988 17.1146 1.4854
EVI 0.1229 0.4863 0.3339 0.0455
NDVI 0.3412 0.7954 0.5870 0.0672
NDWI 0.0572 0.6366 0.3181 0.1017
pH 0.0000 7.1000 6.2607 0.3466
Rainfall (mm) 63.9332 82.6011 67.7048 3.9479
Slope (degrees) 0.0000 8.7760 1.7606 1.5461
Tmax (°C) 28.6419 36.0420 33.2673 1.4028
Tmin (°C) 14.5396 17.2790 16.1348 0.6313
  1. Abbreviations: T ampl temperature amplitude (°C), EVI Enhanced Vegetation Index, NDVI Normalised Difference Vegetation Index, NDWI Normalised Difference Water Index, SD standard deviation, T max maximum temperature, T min minimum temperature