A.P.E.S. Topic 8.4 Human Impacts on Wetlands and Mangroves.

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8 Terms

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What are Wetlands.

The areas where water covers the soil, either part or all of the time.

<p>The areas where water covers the soil, either part or all of the time.</p>
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What are some threats to wetlands?

Threats include commercial development, dam constructions, overfishing , and pollutants from agriculture and industrial waste.

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What do wetlands provide?

Wetlands provide a variety of ecological services, including water purification, flood protection, water filtration, and habitat.

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What are the three types of wetlands.

Swamps, marshes, bogs.

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Characteristics of Bogs

low oxygen in water, ombrotrophic, open sunlight.

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Characteristics of swamps

Saturated sunlight, poor drainage, plant life dominated by trees.

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What can cause pollution in the swamps

Pesticides, fertilizer, Sewage and contaminated water supply

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What can cause pollution in Mangroves

Fertilizer, pesticides and toxic chemical caused by river supply can smother mangrove roots