AP Environmental Science / Unit 8: Aquatic and Terrestrial Pollution
8.4 Human Impacts on Wetlands and Mangroves
Notes
Wetlands and mangroves filter water, protect coasts from storms, and are nurseries for fish.
- Threats: draining for development, agriculture, pollution, dams.
Practice
Mangroves protect coastlines by:
Roots absorb wave energy.
Draining a wetland for farmland reduces:
Lost ecosystem services.
Wetlands are nurseries because:
Rich, sheltered habitat.
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