2024
DOI: 10.1002/ldr.5201
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Conversion of native grasslands into croplands in the Pampa biome and its effects on source contributions to suspended sediment of the Ibirapuitã River, Brazil

Rafael Ramon,
Olivier Evrard,
Sylvain Huon
et al.

Abstract: Grain crops have expanded at the expense of native grasslands in South America's Pampa biome in recent decades, thereby, increasing the sediment delivery to the river systems. This study aimed to evaluate the impact of land use change on sediment source contributions in the Ibirapuitã catchment (5942 km2), Southern Brazil. For this purpose, a sediment fingerprinting approach was developed based on organic matter composition, ultraviolet–visible reflectance, and fallout radionuclide activities as potential trac… Show more

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