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← GeographyWhich outcome results from increased anthropogenic barrier island erosion?
A)Landward migration of maritime ecosystems✓
B)Decreased salinity in coastal saltwater aquifers
C)Expansion of freshwater wetland ecosystems
D)Seaward coral reef ecosystem expansion
💡 Explanation
Barrier islands protect inland ecosystems; erosion causes landward transgression through **overwash**, because sediment transport increases inundation frequency. Therefore, maritime ecosystems migrate landward, rather than saltwater intrusion or freshwater wetlands expanding with decreased erosion.
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