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- Prairie_Pothole_Region abstract "The Prairie Pothole Region (PPR) is an area of the northern Great Plains and midgrass and tallgrass prairies that contains thousands of shallow wetlands known as potholes. These potholes are the result of glacier activity in the Wisconsin glaciation, which ended approximately 10,000 years ago. The decaying ice sheet left behind depressions formed by the uneven deposition of till in ground moraines. These depressions are called potholes, glacial potholes, kettles, or kettle lakes. They fill with water in the spring, creating wetlands which range in duration from temporary to semipermanent.The region comprises about 715,000 square kilometres (276,000 sq mi), including parts of three Canadian provinces (Saskatchewan, Manitoba, and Alberta) and five U.S. states (Minnesota, Iowa, North and South Dakota, and Montana).There are few natural surface water drainage systems in the region; pothole wetlands are not connected by surface streams. They receive most of their water from spring snowmelt. Some pothole wetlands also receive groundwater inflow, so they typically last longer each year than those that only receive water from precipitation. Shorter-duration wetlands fed only by precipitation typically are sources of groundwater recharge.More than half of the potholes have been drained and converted to agriculture. Pothole loss is 90% or more in places. Those potholes that remain are important habitats for migratory waterfowl and other wildlife, supporting more than 50% of North America's migratory waterfowl. The Prairie Pothole Region is one of North America's most important areas for duck reproduction. Although the region contains only about one-tenth of the continent's habitat area for breeding of waterfowl, roughly half the primary species of game ducks on the continent breed there. The region accounts for more than 60% of the breeding populations of mallard, gadwall, blue-winged teal, northern shoveler, northern pintail, redhead, and canvasback ducks.".
- Prairie_Pothole_Region thumbnail PrairiePotholeRegionMap.gif?width=300.
- Prairie_Pothole_Region wikiPageExternalLink gpo40416.
- Prairie_Pothole_Region wikiPageExternalLink pothole.html.
- Prairie_Pothole_Region wikiPageExternalLink sd4b.htm.
- Prairie_Pothole_Region wikiPageExternalLink america%E2%80%99s-grasslands.
- Prairie_Pothole_Region wikiPageID "5736979".
- Prairie_Pothole_Region wikiPageRevisionID "598983532".
- Prairie_Pothole_Region hasPhotoCollection Prairie_Pothole_Region.
- Prairie_Pothole_Region subject Category:Geography_of_Alberta.
- Prairie_Pothole_Region subject Category:Geography_of_Iowa.
- Prairie_Pothole_Region subject Category:Geography_of_Manitoba.
- Prairie_Pothole_Region subject Category:Geography_of_Minnesota.
- Prairie_Pothole_Region subject Category:Geography_of_Montana.
- Prairie_Pothole_Region subject Category:Geography_of_Saskatchewan.
- Prairie_Pothole_Region subject Category:Prairies.
- Prairie_Pothole_Region subject Category:Regions_of_North_Dakota.
- Prairie_Pothole_Region subject Category:Regions_of_South_Dakota.
- Prairie_Pothole_Region subject Category:Regions_of_the_Western_United_States.
- Prairie_Pothole_Region point "49.45388888888889 -103.42527777777778".
- Prairie_Pothole_Region type Abstraction100002137.
- Prairie_Pothole_Region type Biome107941945.
- Prairie_Pothole_Region type Community107941729.
- Prairie_Pothole_Region type GeographicalArea108574314.
- Prairie_Pothole_Region type Grassland108598301.
- Prairie_Pothole_Region type Group100031264.
- Prairie_Pothole_Region type Location100027167.
- Prairie_Pothole_Region type Object100002684.
- Prairie_Pothole_Region type PhysicalEntity100001930.
- Prairie_Pothole_Region type Prairie108619524.
- Prairie_Pothole_Region type Prairies.
- Prairie_Pothole_Region type Region108630039.
- Prairie_Pothole_Region type Region108630985.
- Prairie_Pothole_Region type RegionsOfNorthDakota.
- Prairie_Pothole_Region type RegionsOfSouthDakota.
- Prairie_Pothole_Region type RegionsOfTheWesternUnitedStates.
- Prairie_Pothole_Region type Tract108673395.
- Prairie_Pothole_Region type YagoGeoEntity.
- Prairie_Pothole_Region type YagoLegalActorGeo.
- Prairie_Pothole_Region type YagoPermanentlyLocatedEntity.
- Prairie_Pothole_Region type SpatialThing.
- Prairie_Pothole_Region comment "The Prairie Pothole Region (PPR) is an area of the northern Great Plains and midgrass and tallgrass prairies that contains thousands of shallow wetlands known as potholes. These potholes are the result of glacier activity in the Wisconsin glaciation, which ended approximately 10,000 years ago. The decaying ice sheet left behind depressions formed by the uneven deposition of till in ground moraines. These depressions are called potholes, glacial potholes, kettles, or kettle lakes.".
- Prairie_Pothole_Region label "Prairie Pothole Region".
- Prairie_Pothole_Region label "Prairie Pothole Region".
- Prairie_Pothole_Region label "Région des cuvettes des prairies".
- Prairie_Pothole_Region sameAs Prairie_Pothole_Region.
- Prairie_Pothole_Region sameAs Région_des_cuvettes_des_prairies.
- Prairie_Pothole_Region sameAs m.0f20rq.
- Prairie_Pothole_Region sameAs Q1727751.
- Prairie_Pothole_Region sameAs Q1727751.
- Prairie_Pothole_Region sameAs Prairie_Pothole_Region.
- Prairie_Pothole_Region lat "49.45388888888889".
- Prairie_Pothole_Region long "-103.42527777777778".
- Prairie_Pothole_Region wasDerivedFrom Prairie_Pothole_Region?oldid=598983532.
- Prairie_Pothole_Region depiction PrairiePotholeRegionMap.gif.
- Prairie_Pothole_Region isPrimaryTopicOf Prairie_Pothole_Region.