ch.8.5 wetland enviorments

what are bogs?

Bogs are more common in northern cooler areas. they form from old ice depressions. the water is acidic and thick moss grows there.

Describe a coastal wetland?

Coastal wetlands are a mixed of freshwater and saltwater. they also have mangrove forests and saltwater marshes.

waht is the solution?

In 2000 a plan was created and approved by president clinton to make 60 projects in 30 years. It will get water pumping back into the wetlands.

what happened with development?

In the mid 1800's people were draining the wetlands for farming. the mangroves were cut down and roads were built. they had thought wetlands were worthless.

what impact have humans had on the Everglades?

The development of southern Florida has resulted in changes in the flow of water across the everglades. water pollution has increased, and native plant and animal populations have declined.

what is a wetland? and how do they form?

a wetland is an area of land that is covered with a shallow layer of water during all or some time of the year.they formed in places where water is trapped in low areas where groundwater seeps to the center.

what are marshes?

marshes are usually grassy areas covered up by shallow water or streams. They have many cattails and tall grasses.

what are swamps?

swamps look like flooded forests. They have shrubs and trees coming from them. They are usually in warm and humid climates.

what are the types of freshwater wetlands?

the three most common types of freshwater wetlands are marshes, swamps, and bogs.

what are the effects?

today half of the wetland ecosytem is gone. their is a lot of habitat loss, and some animal populations have decreased about 90 percent. th change in water flow is the biggest impact.

why are wetlands important to people?

wetlands act as natural water filters. They also help with flood control from heavy rains by the water being absorbed. people once thought they were not important so they drained a lot of them. Wetlands also make the climate more moderate.

why are wetlands important to wildlife?

wetlands are important because of their sheltered waters and rich supply of nutrients, wetlands provide habitats for many living things. many species of animals live in wetlands year-round.

what do wetlands do?

wetlands help control floods and make habitats for many animals.