Smedes Video 8.4 Notes: Human Impacts on Wetlands and Mangroves

What are wetlands characterized by?

• Areas submerged in water year-round

• Dry areas with occasional flooding

• Mountainous regions

• Completely dry areas

What role do emergent plants play in wetlands?

• None, they are not part of wetlands

• They float on water

• Roots anchored in soil, extend out of water

• Grow only underwater

Which type of ecosystem service do wetlands provide by recharging groundwater?

• Provisioning

• Regulating

• Supporting

• Cultural

Which is not a regulating service provided by wetlands?

• Water filtration

• Groundwater recharge

• Tourism

• Carbon sequestration

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NGSS.MS-LS2-5

What is a major threat to wetlands from urban development?

• Increased wildlife diversity

• Land being drained and filled

• Decreased pollution

• More natural parks

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NGSS.MS-LS2-5

NGSS.MS-LS2-4

What is a consequence of water diversion in wetlands?

• Increased water availability

• Enhanced water quality

• Decreased water levels downstream

• More stable ecosystems

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NGSS.MS-ESS3-4

NGSS.MS-ESS2-4

How are mangroves effective in coastal protection?

• They buffer storm water effectively

• They attract tourists

• They are ineffective

• They build artificial barriers

What is a significant threat to mangroves from aquaculture?

• Deforestation for shrimp farming

• Reduction in water use

• Improved water quality

• Increased plant growth

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NGSS.MS-LS2-5

NGSS.MS-LS2-4

What is one method to reduce nutrient runoff from agriculture?

• Increasing livestock numbers

• Removing all vegetation

• Using more fertilizers

• Planting cover crops

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NGSS.MS-LS2-5

How do riparian buffers help manage water pollution?

• By increasing water flow

• By removing all vegetation

• By diverting water away from rivers

• By trapping and filtering runoff

Tags

NGSS.MS-ESS3-4