Natural Bridges National Monument

Location:Utah, United States
IUCN Category:III
Area:7,412 acres (3,000 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

Colorado Plateau shrublands

Soils

Link to Map
Protected Area Boundary
 A
  
Share60 %30 %10 %
Soil TypeCalcic YermosolsLithosolsHaplic Yermosols
Topsoil TextureMediumMediumMedium
Reference Depth100 cm10 cm100 cm
DrainageModerately wellImperfectlyModerately well
Available Water Capacity100 m15 mm150 m
Phase 1Stony  
Topsoil Properties
Gravel20 %26 %20 %
Sand39 %43 %41 %
Silt37 %34 %39 %
Clay24 %23 %20 %
USDA TextureLoamLoamLoam
Reference Bulk Density1.38 g/cm³1.39 g/cm³1.41 g/cm³
Bulk Density1.46 g/cm³1.3 g/cm³1.51 g/cm³
Organic Carbon0.37 %1.4 %0.41 %
PH8.17.68.3
Clay Cation Exchange Capacity45 cmol kg⁻¹42 cmol kg⁻¹47 cmol kg⁻¹
Soil Cation Exchange Capacity15 cmol kg⁻¹15 cmol kg⁻¹8 cmol kg⁻¹
Base Saturation100 %100 %100 %
Total Exchangeable Bases24 cmol kg⁻¹15.6 cmol kg⁻¹18.1 cmol kg⁻¹
Calcium Carbonate26 %3.9 %1.5 %
Calcium Sulphate0.1 %0 %0.1 %
Exchangeable Sodium8 %4 %6 %
Electrical Conductivity2.4 dS m-10.1 dS m-11 dS m-1
Subsoil Properties
Gravel41 % 27 %
Sand30 % 38 %
Silt42 % 40 %
Clay28 % 22 %
USDA TextureClay loam Loam
Reference Bulk Density1.34 g/cm³ 1.39 g/cm³
Bulk Density1.3 g/cm³ 1.49 g/cm³
Organic Carbon0.29 % 0.22 %
PH8.1 8.3
Clay Cation Exchange Capacity35 cmol kg⁻¹ 42 cmol kg⁻¹
Soil Cation Exchange Capacity11 cmol kg⁻¹ 9 cmol kg⁻¹
Base Saturation100 % 100 %
Total Exchangeable Bases21.8 cmol kg⁻¹ 26.8 cmol kg⁻¹
Calcium Carbonate35 % 4.5 %
Calcium Sulphate0.7 % 0.7 %
Exchangeable Sodium8 % 5 %
Electrical Conductivity2.6 dS m-1 3.8 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