1 / 12

Prairie Potholes

Prairie Potholes. Wetlands of the Mid-West. Allison Samuel. Prairie potholes . According to the EPA, they are fresh water marshes formed in the depressions of the landscape by receding glaciers. Prairie Potholes. Location. Prairie potholes are found in a small part of the upper Midwest

najila
Télécharger la présentation

Prairie Potholes

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Prairie Potholes Wetlands of the Mid-West Allison Samuel

  2. Prairie potholes According to the EPA, they are fresh water marshes formed in the depressions of the landscape by receding glaciers

  3. Prairie Potholes

  4. Location • Prairie potholes are found in a small part of the upper Midwest • With a larger portion located in the middle region of Canada

  5. Characteristics • Movement of water dependent on the water table • forming rich soils which are deposited as water flows though the pothole

  6. Characteristics continued • Contribute to warm summers that are usually cool • Form many shallow lakes and ponds • Habitat for 50% of the nation’s migratory birds • They absorb flood waters

  7. Biota • The potholes are important breeding grounds for waterfowl • The potholes are habitat for mammals such as: • beavers • coyote • red fox • raccoon • American badger • striped skunk • mink • ermine • long-tailed weasel

  8. Biota Mallard duck beavers wood duck

  9. Biota long-tailed weasel ermine American badger

  10. Status • Prairie potholes have been negatively affected by agriculture. • They have been altered or destroyed altogether. • About 50% of this type of wetland habitat has been destroyed • Still it is considered one of the most important wetlands in the world

  11. Threats • Agriculture - destruction for farmland • Global Change - causing the potholes to dry up • Urbanization - the increase of human population

  12. Special Thanks to… • www.epa.gov • www.lib.ndsu.nodak.edu

More Related