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National Resources Inventory

2017 National Resources Inventory

The National Resources Inventory (NRI) is an appraisal of natural resource conditions and trends on nonfederal land conducted by the U.S. Department of Agriculture’s Natural Resources Conservation Service (NRCS). The 2017 NRI summary report, released in September 2020, includes details about land cover and use, soils, erosion, wetlands and conservation practices for the 48 contiguous states, Hawaii and Caribbean Territories. It also documents changes in land cover/use at the national level for six reporting periods: 1982—1997, 1997—2002, 2002—2007, 2007—2012, 2012—2017, and 1982—2017.

National Changes in Land Cover/Use 2002-2015
Agricultural land converted to developed land (acres)                                    6,057,300
Cropland converted to developed land (acres)                                    2,645,500
CRP land converted to developed land (acres)                                          30,700
Pastureland converted to developed land (acres)                                    1,628,100
Rangeland converted to developed land (acres)                                    1,753,000
Agricultural land at the beginning of the reporting period (acres)                                926,340,400
Forest land converted to developed land (acres)                                    4,428,200
Other rural land converted to developed land (acres)                                       401,000
Total surface area (acres)                            1,944,142,600

 

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