id	keyword
hungeobull-3131	degradation
hungeobull-3131	land
hungeobull-3131	cation
hungeobull-3131	desertifi
hungeobull-3131	soil
hungeobull-3131	processes
hungeobull-3131	arid
hungeobull-3131	landscape
hungeobull-3131	erosion
hungeobull-3131	defi
hungeobull-3131	land degradation