descriptive
Analysis v1
Most of the eroded land in a Brazilian savanna watershed is in damaged pasture areas, and the biggest chunk of that land loses soil at a rate of 20 to 40 tons per hectare every year.
Evidence from Studies
Supporting (1)
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Using geospatial analysis to detect soil loss in pasture in the Brazilian savanna (Cerrado)
Computational/Algorithm Study
The study looked at how much soil is washing away from damaged pasture land in a specific part of Brazil, and found exactly what the claim says: most of the land is somewhat to badly damaged, and that’s where most of the soil loss happens.
Contradicting (0)
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No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.