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Most acquisitions are intended to increase habitat at existing wetland complexes, so it is unlikely that tracts will be acquired in the entire 35-county area. Most WPAs are small, from 100 to 500 acres (2.0 km 2), but several have grown considerably. Union Hills WPA in Cerro Gordo County is the largest in Iowa at over 2,000 acres (8.1 km 2).
There is a dearth of natural areas in Iowa; less than 1% of the tallgrass prairie that once covered most of Iowa remain intact, only about 5% of the state's prairie pothole wetlands remain, and most of the original forest has been lost. [6] Iowa ranks 49th of U.S. states in public land holdings. [7]
Barringer Slough (red) on landform map of Iowa. Barringer Slough is a rich wetland area located in northeast Clay County in northwestern Iowa. This area is a reconstructed remnant of the Des Moines lobe, a region of Iowa which was once covered by interconnected prairie wetlands. This wetland marsh and the surrounding public uplands cover 1,526 ...
In 2008, data covering 66,200,000 acres (268,000 km 2) were added to the Wetlands Geodatabase. These included 28,100,000 acres (114,000 km 2) of updated wetland map information, new data for 6,800,000 acres (28,000 km 2) not previously available and 31,300,000 acres (127,000 km 2) of data that were captured in digital format. An additional ...
IA 1958 8,362 acres (33.84 km 2) [139] Driftless Area National Wildlife Refuge: Iowa Illinois Wisconsin: IA 1989 911 acres (3.69 km 2) [140] Iowa Wetland Management District: Covers 15 counties IA 25,000 acres (100 km 2) 75 waterfowl production areas [141] Neal Smith National Wildlife Refuge: Jasper County: IA 1990 8,654 acres (35.02 km 2) [142]
In drier wetlands of the PPR, the vegetation varies from spikerush, which is found in the wetter areas of the wetland, to foxtail barley and wheatgrass on the outer edges of the wetland. [7] The variable availability of water in the Prairie Pothole Region is buffered by an abundant seed bank under the soil, comprising species that thrive under ...
The average price of Iowa farmland reached $11,835 an acre last year, an ISU survey shows, the second year in a row that values set a record high. They have climbed 63% compared to five years ago ...
The National Wetlands Inventory ... NWI started mapping wetlands at a small scale (1:250,000 map which covers an area the size of 128-1:24,000 USGS topographic maps ...