Fiorese, C.H.U. 2021. Topographic factor (ls) of the pasture areas of the hydrographic microbasin of the São Francisco stream, in the municipality of Ibitirama (ES). Tocantinense Journal of Geography. 10, 21 (May 2021), 01–11. DOI:https://doi.org/10.20873/rtg.v10n21p01-11.