Craters of the Moon National Monument

Location:Idaho, United States
IUCN Category:V
Area:690,996 acres (279,636 hectares)
Species:All  Endangered  Invasive
Website:View website
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:BSk (Climate: arid; Precipitation: steppe; Temperature: cold arid)

Ecoregions

Snake-Columbia shrub steppe

Soils

Link to Map
Protected Area Boundary
 AB
   
Share70 %30 %60 %30 %10 %
Soil TypeCalcic XerosolsCalcaric RegosolsLuvic XerosolsLithosolsHaplic Kastanozems
Topsoil TextureMediumMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm10 cm100 cm
DrainageModerately wellModerately wellModerately wellImperfectlyModerately well
Available Water Capacity150 m150 m100 m15 mm150 m
Phase 1  Stony  
Topsoil Properties
Gravel4 %17 %4 %26 %8 %
Sand40 %43 %58 %43 %34 %
Silt37 %35 %18 %34 %45 %
Clay23 %22 %24 %23 %21 %
USDA TextureLoamLoamSandy clay loamLoamLoam
Reference Bulk Density1.39 g/cm³1.4 g/cm³1.42 g/cm³1.39 g/cm³1.39 g/cm³
Bulk Density1.31 g/cm³1.4 g/cm³1.56 g/cm³1.3 g/cm³1.29 g/cm³
Organic Carbon0.56 %0.77 %0.5 %1.4 %1.28 %
PH7.987.37.67.4
Clay Cation Exchange Capacity93 cmol kg⁻¹40 cmol kg⁻¹47 cmol kg⁻¹42 cmol kg⁻¹81 cmol kg⁻¹
Soil Cation Exchange Capacity18 cmol kg⁻¹17 cmol kg⁻¹12 cmol kg⁻¹15 cmol kg⁻¹21 cmol kg⁻¹
Base Saturation100 %100 %98 %100 %100 %
Total Exchangeable Bases33.2 cmol kg⁻¹31.1 cmol kg⁻¹15.9 cmol kg⁻¹15.6 cmol kg⁻¹18.4 cmol kg⁻¹
Calcium Carbonate9 %15 %3.8 %3.9 %5.4 %
Calcium Sulphate0.4 %0 %0 %0 %0 %
Exchangeable Sodium3 %2 %2 %4 %1 %
Electrical Conductivity0.8 dS m-10.3 dS m-10.1 dS m-10.1 dS m-11.6 dS m-1
Subsoil Properties
Gravel4 %18 %3 % 5 %
Sand37 %38 %54 % 36 %
Silt36 %36 %17 % 43 %
Clay27 %26 %29 % 21 %
USDA TextureClay loamLoamSandy clay loam Loam
Reference Bulk Density1.36 g/cm³1.36 g/cm³1.38 g/cm³ 1.39 g/cm³
Bulk Density1.33 g/cm³1.52 g/cm³1.56 g/cm³ 1.42 g/cm³
Organic Carbon0.33 %0.53 %0.3 % 0.51 %
PH88.17.8 7.9
Clay Cation Exchange Capacity65 cmol kg⁻¹50 cmol kg⁻¹37 cmol kg⁻¹ 97 cmol kg⁻¹
Soil Cation Exchange Capacity20 cmol kg⁻¹15 cmol kg⁻¹12 cmol kg⁻¹ 19 cmol kg⁻¹
Base Saturation100 %100 %100 % 100 %
Total Exchangeable Bases41.4 cmol kg⁻¹41.1 cmol kg⁻¹22.1 cmol kg⁻¹ 19.1 cmol kg⁻¹
Calcium Carbonate9 %15 %9 % 10.4 %
Calcium Sulphate0.3 %0 %0 % 0 %
Exchangeable Sodium7 %1 %3 % 3 %
Electrical Conductivity1 dS m-10.3 dS m-10.2 dS m-1 2.2 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.
Köppen climate classification provided by Kottek, M., J. Grieser, C. Beck, B. Rudolf, and F. Rubel, 2006: World Map of Köppen-Geiger Climate Classification updated. Meteorol. Z., 15, 259-263