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← GeographyWhich erosional outcome significantly reduces mangrove forest extent?
A)Negative feedback sediment redistribution
B)Barrier island landward migration✓
C)Positive feedback storm surge reduction
D)Wave diffraction at channel entrances
💡 Explanation
Intensified erosion from storms or rising sea levels causes barrier island migration landward via overwash; this inundates and destroys mangroves because sediment deposition elevates the island rather than supporting fragile root systems, therefore impacting species equilibrium.
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