Knife River Indian Villages National Hist. Site

Location:North Dakota, United States
IUCN Category:III
Area:1,756 acres (711 hectares)
Species:All  Endangered  Invasive
Website:View website
Map:View Google Map
Climate:View Climate Data
Land Use:View Land Use Data

Ecoregions

Northern short grasslands

Soils

Link to Map
Protected Area Boundary
 AB
   
Share70 %30 %70 %30 %
Soil TypeLuvic KastanozemsEutric RegosolsLuvic KastanozemsHaplic Kastanozems
Topsoil TextureMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm100 cm
DrainageModerately wellModerately wellModerately wellModerately well
Available Water Capacity150 m150 m150 m150 m
Topsoil Properties
Gravel8 %27 %8 %8 %
Sand36 %47 %36 %34 %
Silt41 %34 %41 %45 %
Clay23 %19 %23 %21 %
USDA TextureLoamLoamLoamLoam
Reference Bulk Density1.38 g/cm³1.43 g/cm³1.38 g/cm³1.39 g/cm³
Bulk Density1.2 g/cm³1.21 g/cm³1.2 g/cm³1.29 g/cm³
Organic Carbon1.27 %0.97 %1.27 %1.28 %
PH7.36.47.37.4
Clay Cation Exchange Capacity66 cmol kg⁻¹41 cmol kg⁻¹66 cmol kg⁻¹81 cmol kg⁻¹
Soil Cation Exchange Capacity23 cmol kg⁻¹12 cmol kg⁻¹23 cmol kg⁻¹21 cmol kg⁻¹
Base Saturation100 %79 %100 %100 %
Total Exchangeable Bases18.4 cmol kg⁻¹15.1 cmol kg⁻¹18.4 cmol kg⁻¹18.4 cmol kg⁻¹
Calcium Carbonate4.5 %0 %4.5 %5.4 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium3 %1 %3 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-11.6 dS m-1
Subsoil Properties
Gravel5 %28 %5 %5 %
Sand29 %50 %29 %36 %
Silt42 %32 %42 %43 %
Clay29 %18 %29 %21 %
USDA TextureClay loamLoamClay loamLoam
Reference Bulk Density1.33 g/cm³1.44 g/cm³1.33 g/cm³1.39 g/cm³
Bulk Density1.18 g/cm³1.46 g/cm³1.18 g/cm³1.42 g/cm³
Organic Carbon0.57 %0.4 %0.57 %0.51 %
PH7.96.97.97.9
Clay Cation Exchange Capacity68 cmol kg⁻¹55 cmol kg⁻¹68 cmol kg⁻¹97 cmol kg⁻¹
Soil Cation Exchange Capacity24 cmol kg⁻¹11 cmol kg⁻¹24 cmol kg⁻¹19 cmol kg⁻¹
Base Saturation100 %85 %100 %100 %
Total Exchangeable Bases21.1 cmol kg⁻¹10.3 cmol kg⁻¹21.1 cmol kg⁻¹19.1 cmol kg⁻¹
Calcium Carbonate10 %0.1 %10 %10.4 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium3 %2 %3 %3 %
Electrical Conductivity3.6 dS m-10.1 dS m-13.6 dS m-12.2 dS m-1
Soil data provided by FAO/IIASA/ISRIC/ISSCAS/JRC, 2012. Harmonized World Soil Database (version 1.2). FAO, Rome, Italy and IIASA, Laxenburg, Austria.