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← GeographyWhich outcome occurs when soil bioturbation decreases after deforestation?
A)Reduced soil water infiltration rate✓
B)Increased chemical weathering rate
C)Enhanced nutrient mineralisation rates
D)Decreased carbon sequestration efficiency
💡 Explanation
Reduced bioturbation compacts the soil, because burrowing animals and root systems no longer aerate it which lowers the hydraulic conductivity; therefore, rainfall percolates slowly rather than flowing quickly, and increases flood potential rather than stable baseflow.
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