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Sensitivity of vegetation indices and gross primary production of tallgrass prairie to severe drought
Drought affects vegetation photosynthesis and growth.Many studies have used the normalized difference vegetation
index (NDVI), which is calculated as the normalized ratio between near infrared and red spectral bands ...
Exacerbated grassland degradation and desertification in Central Asia during 2000–2014
Grassland degradation and desertification is a complex process, including both
state conversion (e.g., grasslands to deserts) and gradual within-state change (e.g., greenness
dynamics). Existing studies hardly separated ...
Improving Assessment and Monitoring of Droughts in Grasslands
Grasslands in the Southern Great Plains of the United States have
experienced various degrees of droughts over years and substantial
economic losses occurred to many ranchers under severe drought
conditions. Since 2013 we ...