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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).
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 ...
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]
While many Obligate Wetland (OBL) species do occur in permanently or semi-permanently flooded wetlands, there are also a number of obligates that occur in temporary or seasonally flooded wetlands. A few species are restricted entirely to these transient-type wetland environments.
The Biden administration on Tuesday set a new goal to protect vast U.S. water sources, from rivers to wetlands, as part of a series of announcements marking Earth Week. The administration plans to ...
The NWI relies on trained image analysts to identify and classify wetlands and deepwater habitats from aerial imagery. 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 or approximately 7,400 square miles).
The highest per-acre farmland sale was $30,000 in Sioux County in 2022. More: Kinze Manufacturing announces layoff of 193 workers as Iowa ag industry downturn continues
No wetlands excluded, in which wetlands were not omitted from federal protections for being too dry: Between 8 and 19% of NC wetlands lose protection, ranging from 285,200 to 676,7000 acres ...