Agroecoregion : Wetter Clays and Silts
Agroecoregion Characteristics Area (ac)* Percentage
       
Major Watersheds Lower Minnesota River 373,923 33.7
  Le Sueur River 372,812 33.6
  Blue Earth River 227,037 20.5
  Watonwan River 86,262 7.8
  Middle Minnesota River 48,340 4.4
       
Counties Sibley 292,910 26.4
  Faribault 252,728 22.8
  Blue Earth 229,458 20.7
  Waseca 91,785 8.3
  Nicollet 69,180 6.2
  Watonwan 50,867 4.6
  Mcleod 41,400 3.7
  Martin 39,760 3.6
  Freeborn 21,514 1.9
  Renville 15,702 1.4
  Carver 3,073 0.3
       
Slope Steepness 0-2 Percent 810,113 73.1
  2-6 Percent 139,049 12.6
  2-12 Percent 119,326 10.8
  6-12 Percent 33,856 3.1
  Water 6,032 0.5
       
Internal Drainage Poor/Improved by tiling 470,562 42.5
  Poorly drained 394,795 35.6
  Well drained 236,987 21.4
  Water 6,032 0.5
       
Proximity Landlocked 785,709 70.9
  Drainage Ditches 138,436 12.5
  Intermittent River 72,576 6.6
  Permanent River 71,032 6.4
  Lake Shoreline 34,387 3.1
  Water 6,032 0.5
  Island Shoreline 203 0.0
       
Geomorphology 042 - Wells-Rush River Ground Moraine, Clayey, Level 255,850 23.1
  043 - Arlington-Matowan Ground Moraine, Loamy Undulating 248,946 22.5
  046 - Minnesota Lake Plain, Clayey 173,984 15.7
  034 - Waconia-Waseca Moraine, Loamy, Rolling 162,284 14.6
  066 - Blue Earth Till Plain, Undulating, Loamy 92,790 8.4
  044 - Blue Earth-Garden City Ground Moraine, Silty, Rolling 77,857 7.0
  064 - Olivia Till Plain 50,815 4.6
  35C - Hayward-Owatonna Moraine, Irregular, Gently Rolling 38,690 3.5
  35B - Emmons-Faribault Moraine, Irregular, Rolling 4,624 0.4
  032 - Minnesota Valley Outwash 1,788 0.2
  033 - Lonsdale-Lerdal Till Region, Clayey, Rolling 746 0.1
       
Precipitation Between 26-28 inches 21,578 2.0
  Between 28-30 inches 413,690 37.3
  Between 30-32 inches 633,891 57.2
  Between 32-34 inches 39,216 3.5
       
Growing Degree Days 1750-2000 Degree Days 1,870 0.2
  2000-2250 Degree Days 196,459 17.7
  2250-2500 Degree Days 432,737 39.0
  2500-2750 Degree Days 477,310 43.1
       
Water Erosion Extreme 14,776 1.3
  Severe 120,496 10.9
  High 943,876 85.2
  Moderate 21,165 1.9
  Slight 8,062 0.7
       
Wind Erosion Group Very Severe 4,846 0.4
  Severe 856,218 77.3
  High 3,184 0.3
  Moderate 235,732 21.3
  No Data 8,396 0.8
       
* Expressed as acres or percent for the agroecoregion area in the Minnesota River Basin

Last Updated on 3/5/00