basin-wide SSTA variation in the tropical Indian Ocean
cyclic variation in alternate years
Diurnal variation in photosynthesis
dynamic variation in pathobiology
Epigenetic variation in plants
monthly variation in feeding habit
phase variation in colony morphology
Radial variation in bamboo density
Semiannual variation in the ionosphere
sequence of variation in drought tolerance
variation in characters
Variation in chromosome number
Variation in Cross-Section Size
variation in diametral direction
variation in different layers
variation in fish stock
variation in geochemical characteristics
variation in groundwater level