Capital Reef National Park

Location:Utah, United States
IUCN Category:II
Area:243,722 acres (98,631 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
Wasatch and Uinta montane forests

Soils

Protected Area Boundary
 AB
   
Share70 %30 %60 %30 %10 %
Soil TypeCalcaric RegosolsLuvic YermosolsCalcic YermosolsLithosolsHaplic Yermosols
Topsoil TextureMediumMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm10 cm100 cm
DrainageImperfectlyModerately wellModerately wellImperfectlyModerately well
Available Water Capacity50 m150 m100 m15 mm150 m
Phase 1Lithic Stony  
Topsoil Properties
Gravel17 %20 %20 %26 %20 %
Sand43 %50 %39 %43 %41 %
Silt35 %29 %37 %34 %39 %
Clay22 %21 %24 %23 %20 %
USDA TextureLoamLoamLoamLoamLoam
Reference Bulk Density1.4 g/cm³1.42 g/cm³1.38 g/cm³1.39 g/cm³1.41 g/cm³
Bulk Density1.4 g/cm³1.5 g/cm³1.46 g/cm³1.3 g/cm³1.51 g/cm³
Organic Carbon0.77 %0.4 %0.37 %1.4 %0.41 %
PH87.38.17.68.3
Clay Cation Exchange Capacity40 cmol kg⁻¹47 cmol kg⁻¹45 cmol kg⁻¹42 cmol kg⁻¹47 cmol kg⁻¹
Soil Cation Exchange Capacity17 cmol kg⁻¹7 cmol kg⁻¹15 cmol kg⁻¹15 cmol kg⁻¹8 cmol kg⁻¹
Base Saturation100 %100 %100 %100 %100 %
Total Exchangeable Bases31.1 cmol kg⁻¹14 cmol kg⁻¹24 cmol kg⁻¹15.6 cmol kg⁻¹18.1 cmol kg⁻¹
Calcium Carbonate15 %0.5 %26 %3.9 %1.5 %
Calcium Sulphate0 %0.1 %0.1 %0 %0.1 %
Exchangeable Sodium2 %6 %8 %4 %6 %
Electrical Conductivity0.3 dS m-10.1 dS m-12.4 dS m-10.1 dS m-11 dS m-1
Subsoil Properties
Gravel18 %27 %41 % 27 %
Sand38 %44 %30 % 38 %
Silt36 %28 %42 % 40 %
Clay26 %28 %28 % 22 %
USDA TextureLoamClay loamClay loam Loam
Reference Bulk Density1.36 g/cm³1.37 g/cm³1.34 g/cm³ 1.39 g/cm³
Bulk Density1.52 g/cm³1.47 g/cm³1.3 g/cm³ 1.49 g/cm³
Organic Carbon0.53 %0.28 %0.29 % 0.22 %
PH8.17.38.1 8.3
Clay Cation Exchange Capacity50 cmol kg⁻¹58 cmol kg⁻¹35 cmol kg⁻¹ 42 cmol kg⁻¹
Soil Cation Exchange Capacity15 cmol kg⁻¹11 cmol kg⁻¹11 cmol kg⁻¹ 9 cmol kg⁻¹
Base Saturation100 %100 %100 % 100 %
Total Exchangeable Bases41.1 cmol kg⁻¹14.6 cmol kg⁻¹21.8 cmol kg⁻¹ 26.8 cmol kg⁻¹
Calcium Carbonate15 %3.8 %35 % 4.5 %
Calcium Sulphate0 %0.7 %0.7 % 0.7 %
Exchangeable Sodium1 %4 %8 % 5 %
Electrical Conductivity0.3 dS m-19.7 dS m-12.6 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