Pictured Rocks National Lakeshore

Location:Michigan, United States
IUCN Category:II
Area:67,888 acres (27,473 hectares)
Species:All  Endangered  Invasive
Website:View website
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Dfb (Climate: snow; Precipitation: fully humid; Temperature: warm summer)


Western Great Lakes forests


Protected Area Boundary
Share70 %30 %
Soil TypeOrthic PodzolsEutric Podzoluvisols
Topsoil TextureCoarseMedium
Reference Depth100 cm100 cm
DrainageSomewhat excessiveModerately well
Available Water Capacity100 m150 m
Topsoil Properties
Gravel4 %1 %
Sand85 %35 %
Silt11 %54 %
Clay4 %11 %
USDA TextureLoamy sandSilt loam
Reference Bulk Density1.73 g/cm³1.49 g/cm³
Bulk Density1.36 g/cm³1.36 g/cm³
Organic Carbon2.09 %1.2 %
Clay Cation Exchange Capacity98 cmol kg⁻¹48 cmol kg⁻¹
Soil Cation Exchange Capacity10 cmol kg⁻¹9 cmol kg⁻¹
Base Saturation16 %55 %
Total Exchangeable Bases2.5 cmol kg⁻¹5.7 cmol kg⁻¹
Calcium Carbonate0 %0 %
Calcium Sulphate0 %0 %
Exchangeable Sodium1 %0 %
Electrical Conductivity0.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel5 %4 %
Sand84 %37 %
Silt11 %43 %
Clay5 %20 %
USDA TextureLoamy sandLoam
Reference Bulk Density1.7 g/cm³1.4 g/cm³
Bulk Density1.51 g/cm³1.61 g/cm³
Organic Carbon0.59 %0.25 %
Clay Cation Exchange Capacity63 cmol kg⁻¹63 cmol kg⁻¹
Soil Cation Exchange Capacity4 cmol kg⁻¹9 cmol kg⁻¹
Base Saturation23 %59 %
Total Exchangeable Bases1.6 cmol kg⁻¹4.9 cmol kg⁻¹
Calcium Carbonate0 %0 %
Calcium Sulphate0 %0 %
Exchangeable Sodium2 %0 %
Electrical Conductivity0.1 dS m-10.1 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