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Additional Supporting Information may be found in the online version of this article at the publisher's web-site.

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wsb284-sm-0001-SuppFigs.pdf238K

SI 1. List of partners for the Prairie Pothole Joint Venture.

SI 2. Wetland hectares (in thousands) by water regime and the number of individual wetland basins (in thousands) within the Prairie Pothole Joint Venture region. Basin-specific wetland hectares are calculated from the National Wetland Inventory data.

SI 3. List of lands classified as protected.

SI 4. Top figures: Cumulative total of cropland enrolled in the U.S. Department of Agriculture Conservation Reserve Program by state areas within the Prairie Pothole Joint Venture (PPJV) region and the entire PPJV in millions of hectares, September 1986–2010. Conservation Reserve Program enrollment peaked in 2007 with 3.37 million ha (8.34 million acres) and has declined by 0.51 million ha (1.26 million acres) to 2.86 million ha (7.08 mill acres) by September 2010. Bottom figures: Percentage of September 2010 CRP area expiring during 2011–2017, by state areas within the PPJV and the entire PPJV.

SI 5. List of 41 farm and 13 Conservation Programs from the U.S. Department of Agriculture from Table 4.

SI 6. Additional information—uncertain conservation future, status, and trends.

SI 7. Hectares of planted corn 1970–2009 within Prairie Pothole Joint Venture region. The dashed straight line represents a linear regression trend estimate.

SI 8. Hectares of planted soybeans 1970–2009 within Prairie Pothole Joint Venture region. The dashed straight line represents a linear regression trend estimate. Planted soybean hectares in Montana are negligible.

SI 9. Hectares of planted wheat 1970–2009 within Prairie Pothole Joint Venture. The dark straight line represents a linear regression trend estimate. Iowa never planted above 7,050 ha of wheat and planted 501 ha of wheat in 1997, the last reported planting. Iowa was therefore excluded from figures.

SI 10. Number of bio-diesel and ethanol plants, amount of fuel produced, and hectares of cropland (in thousands) required to feed fuel production from cropland within the Prairie Pothole Joint Venture region as of March 2011.

SI 11. Percent of wind turbines on undisturbed land at a site scale (30-m) and by disturbance classes for turbines built as of 2010 and for turbine locations that are approved by the Federal Aviation Administration but not built. Disturbance classes queried are from Kiesecker et al. (2011). Existing wind turbines are primarily located within disturbed land.

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