id	keyword
ajoaa-564	insects
ajoaa-564	river
ajoaa-564	keniam
ajoaa-564	water
ajoaa-564	keniam river
ajoaa-564	diptera
ajoaa-564	strata
ajoaa-564	diversity
ajoaa-564	species
ajoaa-564	sampling
ajoaa-564	area
ajoaa-564	quality
ajoaa-564	index
ajoaa-564	habitat
ajoaa-564	middle
ajoaa-564	stratum
ajoaa-564	kuala