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Minnesota Changes in Universal Soil Loss Equation (USLE) Erosion Rate in Relation to Soil Loss Tolerance (T) on Cultivated Cropland by Planning Basin 1982-1997

Estimates in thousands of acres.  Example:  7.7 = 7,700 acres.

Data for 1982

Basin Name Other est Other err 0 <= VALUE <= 1 est 0 <= VALUE <= 1 err 1 < VALUE <= 2 est 1 < VALUE <= 2 err 2 < VALUE <= 4 est 2 < VALUE <= 4 err 4 < VALUE <= 400 est 4 < VALUE <= 400 err Total est Total err
Other 0 0 0 0 0 0 0 0 0 0 0 0
Lake Superior Basin 0 0 7.7 5.467 0 0 0 0 0 0 7.7 5.467
Mississippi Headwaters 0 0 2703.8 85.43 271.2 24.365 101.6 14.658 43 11.342 3119.6 88.637
Minnesota River Basin 0 0 7610.8 112.391 809 39.111 322 25.09 109.9 12.381 8851.7 106.667
St. Croix River Basin 0 0 288 27.04 38.9 9.01 21.6 7.032 5.3 2.405 353.8 26.416
Upper Mississippi-Black-Root 0 0 2126.1 53.171 437.3 25.512 250.5 17.146 123.3 9.947 2937.2 52.53
Red River Basin 0 0 5617.8 122.44 105.1 23.564 41.6 11.819 14.5 9.012 5779 126.166
Rainy River Basin 0 0 179.2 35.359 0 0 0 0 0 0 179.2 35.359
Total 0 0 18533.4 193.977 1661.5 60.13 737.3 38.409 296 21.699 21228.2 195.738

Data for 1987

Basin Name Other est Other err 0 <= VALUE <= 1 est 0 <= VALUE <= 1 err 1 < VALUE <= 2 est 1 < VALUE <= 2 err 2 < VALUE <= 4 est 2 < VALUE <= 4 err 4 < VALUE <= 400 est 4 < VALUE <= 400 err Total est Total err
Other 0 0 0 0 0 0 0 0 0 0 0 0
Lake Superior Basin 0 0 28.3 11.495 0 0 0 0 0 0 28.3 11.495
Mississippi Headwaters 0 0 2802.4 96.151 250.3 23.777 109.9 25.551 41.2 11.108 3203.8 94.719
Minnesota River Basin 0 0 7625.1 112.495 746.9 36.167 312.9 24.472 106.6 14.172 8791.5 109.473
St. Croix River Basin 0 0 262.3 21.437 32.7 8.388 21.3 6.131 10 4.44 326.3 23.847
Upper Mississippi-Black-Root 0 0 2084.5 53.056 442 23.86 259.3 17.298 133.9 14.739 2919.7 54.163
Red River Basin 0 0 5492.4 131.567 88.3 16.965 47.5 13.681 9.1 6.435 5637.3 136.792
Rainy River Basin 0 0 119.6 25.745 0 0 0 0 0 0 119.6 25.745
Total 0 0 18414.6 204.346 1560.2 51.523 750.9 42.806 300.8 22.557 21026.5 206.343

Data for 1992

Basin Name Other est Other err 0 <= VALUE <= 1 est 0 <= VALUE <= 1 err 1 < VALUE <= 2 est 1 < VALUE <= 2 err 2 < VALUE <= 4 est 2 < VALUE <= 4 err 4 < VALUE <= 400 est 4 < VALUE <= 400 err Total est Total err
Other 0 0 0 0 0 0 0 0 0 0 0 0
Lake Superior Basin 0 0 15.5 12.5 0 0 0 0 0 0 15.5 12.5
Mississippi Headwaters 0 0 2535.7 91.029 222.4 23.9 93.3 18.327 40.1 11.239 2891.5 90.213
Minnesota River Basin 0 0 7547.1 111.81 582.7 36.753 262.3 22.378 71.7 11.31 8463.8 110.213
St. Croix River Basin 0 0 222.4 26.354 28.8 7.885 19.6 5.023 7 3.321 277.8 26.7
Upper Mississippi-Black-Root 0 0 2031.9 52.133 398.3 24.567 201.5 16.742 83.3 9.228 2715 55.427
Red River Basin 0 0 5012.7 128.506 91.3 20.363 40.3 13.42 0 0 5144.3 129.327
Rainy River Basin 0 0 111.5 24.661 0 0 0 0 0 0 111.5 24.661
Total 0 0 17476.8 201.984 1323.5 55.223 617 37.374 202.1 18.735 19619.4 203.306

Data for 1997

Basin Name Other est Other err 0 <= VALUE <= 1 est 0 <= VALUE <= 1 err 1 < VALUE <= 2 est 1 < VALUE <= 2 err 2 < VALUE <= 4 est 2 < VALUE <= 4 err 4 < VALUE <= 400 est 4 < VALUE <= 400 err Total est Total err
Other 0 0 0 0 0 0 0 0 0 0 0 0
Lake Superior Basin 0 0 10.1 7.151 0 0 4.7 4.7 0 0 14.8 10.878
Mississippi Headwaters 0 0 2448.7 89.361 196 22.215 91.3 15.957 27.3 9.011 2763.3 92.008
Minnesota River Basin 0 0 7819.6 108.741 517.4 34.121 209.5 21.713 48.6 9.136 8595.1 109.464
St. Croix River Basin 0 0 223.9 23.65 25.4 8.286 14.4 5.246 3.3 1.837 267 25.26
Upper Mississippi-Black-Root 0 0 2226.3 54.259 363.8 19.918 153.6 14.419 60 7.629 2803.7 56.019
Red River Basin 0 0 5057.2 124.025 85.7 18.154 35.6 11.02 8.9 6.297 5187.4 128.523
Rainy River Basin 0 0 99.9 26.954 0 0 0 0 0 0 99.9 26.954
Total 0 0 17885.7 193.944 1188.3 50.707 509.1 32.732 148.1 16.622 19731.2 201.727


Notes: Total estimates may be adjusted to account for rounding. The error referred to in the table is the standard error of the estimate. You can obtain the margin of error at the 95% confidence limit by multiplying the error by 1.96.

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