Agroecoregion : Alluvium and Outwash
Agroecoregion Characteristics Area (ac)* Percentage
       
       
Major Watersheds Chippewa River 241,077 36.7
  Upper Minnesota River 97,125 14.8
  Lower Minnesota River 95,456 14.6
  Middle Minnesota River 95,377 14.5
  Watonwan River 67,742 10.3
  Pomme De Terre River 29,927 4.6
  Cottonwood River 23,665 3.6
  Hawk Creek-Yellow Medicine River 4,700 0.7
  Blue Earth River 1,060 0.2
  Le Sueur River 136 0.0
       
Counties Swift 156,055 23.8
  Pope 94,764 14.4
  Brown 54,165 8.3
  Watonwan 50,768 7.7
  Blue Earth 46,868 7.1
  Big Stone 36,541 5.6
  Hennepin 35,934 5.5
  Chippewa 35,341 5.4
  Scott 34,424 5.3
  Nicollet 23,023 3.5
  Le Sueur 20,185 3.1
  Lac Qui Parle 17,880 2.7
  Dakota 12,313 1.9
  Ottertail 8,408 1.3
  Stevens 7,615 1.2
  Kandiyohi 7,454 1.1
  Douglas 6,706 1.0
  Sibley 4,117 0.6
  Traverse 1,803 0.3
  Carver 1,228 0.2
  Stearns 262 0.0
  Ramsey 237 0.0
  Steele 136 0.0
  Freeborn 37 0.0
       
Slope Steepness 0-2 Percent 317,864 48.4
  2-6 Percent 264,095 40.2
  2-12 Percent 37,277 5.7
  6-12 Percent 19,113 2.9
  6-45 Percent 4,108 0.6
  12-45 Percent 8,941 1.4
  Water 4,866 0.7
       
Internal Drainage Well drained 370,221 56.4
  Poor/Improved by tiling 221,870 33.8
  Poorly drained 59,307 9.0
  Water 4,866 0.7
       
Proximity Landlocked 424,549 64.7
  Permanent River 82,273 12.5
  Intermittent River 68,081 10.4
  Lake Shoreline 41,842 6.4
  Drainage Ditches 32,710 5.0
  Water 4,866 0.7
  Island Shoreline 1,944 0.3
       
Geomorphology 032 - Minnesota Valley Outwash 233,509 35.6
  065 - Appleton-Clontarf Outwash Plain, Undulating 223,266 34.0
  063 - Belgrade-Glenwood Outwash Plain, Undulating 81,636 12.4
  066 - Blue Earth Till Plain, Undulating, Loamy 20,494 3.1
  029 - Mississippi Valley Outwash 20,214 3.1
  034 - Waconia-Waseca Moraine, Loamy, Rolling 15,274 2.3
  35B - Emmons-Faribault Moraine, Irregular, Rolling 13,526 2.1
  045 - Twin Cities Formation, Loamy, Rolling 13,486 2.1
  051 - Big Stone Moraine, Loamy 9,774 1.5
  004 - Detroit Lakes Pitted Outwash Plain 8,055 1.2
  050 - Benson Lacustrine Plain, Silty 5,088 0.8
  003 - Alexandria Moraine Complex 3,154 0.5
  02E - Graceville Till Plain, Clayey 2,811 0.4
  044 - Blue Earth-Garden City Ground Moraine, Silty, Rolling 2,712 0.4
  042 - Wells-Rush River Ground Moraine, Clayey, Level 1,781 0.3
  055 - Osakis Till Plain, Loamy 1,013 0.2
  002 - Fergus Falls (Young Gray Drift) Till Plain 222 0.0
  030 - Cannon Valley Outwash 124 0.0
  35A - Prior Lake Moraine, Strongly Rolling 96 0.0
  64A - Olivia Till Plain, Clayey 30 0.0
       
Precipitation Between 22-24 inches 9,474 1.4
  Between 24-26 inches 240,267 36.6
  Between 26-28 inches 171,898 26.2
  Between 28-30 inches 212,996 32.5
  Between 30-32 inches 21,593 3.3
  Between 32-34 inches 37 0.0
       
Growing Degree Days 1500-1750 Degree Days 24,194 3.7
  1750-2000 Degree Days 33,333 5.1
  2000-2250 Degree Days 74,782 11.4
  2250-2500 Degree Days 258,987 39.5
  2500-2750 Degree Days 243,745 37.1
  L.T. 1500 Degree Days 21,225 3.2
       
Water Erosion Extreme 85,457 13.0
  Severe 117,545 17.9
  High 247,818 37.8
  Moderate 196,973 30.0
  Slight 8,472 1.3
       
Wind Erosion Group Extreme 7,553 1.2
  Very Severe 15,667 2.4
  Severe 421,137 64.2
  High 97,686 14.9
  Moderate 107,578 16.4
  No Data 6,642 1.0
       
       
* Expressed as acres or percent for the agroecoregion area in the Minnesota River Basin