Rahjan saaristo

Location:Finland
Area:20,710 acres (8,381 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Köppen climate classification:Dfc (Climate: snow; Precipitation: fully humid; Temperature: cool summer)
Natura 2000 Data Sheet:View Data Sheet  Explanatory notes

Ecoregions

Scandinavian and Russian taiga

Soils

Protected Area Boundary
 A
  
Share50 %30 %10 %5 %5 %
Soil TypeLithic LeptosolsHaplic PodzolsDystric GleysolsVertic CambisolsFibric Histosols
Topsoil TextureCoarseCoarseFineFineFine
Reference Depth10 cm100 cm100 cm100 cm100 cm
DrainageModerately wellSomewhat excessiveVery poorModerately wellVery poor
Available Water Capacity15 mm50 m150 m150 m150 m
Phase 1 Stony   
Root Obstacle None to 80 cmNone to 80 cmNone to 80 cmNone to 80 cm
Impermeable Layer None to 150 cmNone to 150 cmNone to 150 cmNone to 150 cm
Soil Water Regime Wet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 monthWet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 monthWet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 monthWet within 40 cm depth for over 11 month
Misc. Property   Vertic (cracks of more than 1 cm wide) 
Topsoil Properties
Gravel21 %3 %1 %2 %1 %
Sand73 %87 %16 %20 %20 %
Silt18 %9 %29 %29 %40 %
Clay9 %4 %55 %51 %40 %
USDA TextureSandy loamLoamy sandClayClayClay
Reference Bulk Density1.59 g/cm³1.73 g/cm³1.21 g/cm³1.23 g/cm³1.26 g/cm³
Bulk Density1.45 g/cm³1.4 g/cm³1.05 g/cm³1.43 g/cm³0.1 g/cm³
Organic Carbon1.4 %2.18 %1.65 %0.96 %33.63 %
PH7.54.44.77.34.3
Clay Cation Exchange Capacity85 cmol kg⁻¹101 cmol kg⁻¹31 cmol kg⁻¹54 cmol kg⁻¹45 cmol kg⁻¹
Soil Cation Exchange Capacity12 cmol kg⁻¹9 cmol kg⁻¹24 cmol kg⁻¹36 cmol kg⁻¹77 cmol kg⁻¹
Base Saturation86 %11 %49 %94 %62 %
Total Exchangeable Bases5.2 cmol kg⁻¹2.6 cmol kg⁻¹16.3 cmol kg⁻¹27.4 cmol kg⁻¹31.4 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0.3 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %
Exchangeable Sodium1 %1 %1 %1 %2 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel 4 %1 %4 %2 %
Sand 88 %18 %18 %47 %
Silt 8 %24 %29 %26 %
Clay 4 %58 %53 %27 %
USDA Texture SandClayClaySandy clay loam
Reference Bulk Density 1.74 g/cm³1.21 g/cm³1.22 g/cm³1.38 g/cm³
Bulk Density 1.51 g/cm³1.24 g/cm³1.46 g/cm³0.1 g/cm³
Organic Carbon 0.39 %0.77 %0.43 %32.89 %
PH 54.67.74.6
Clay Cation Exchange Capacity 66 cmol kg⁻¹38 cmol kg⁻¹61 cmol kg⁻¹71 cmol kg⁻¹
Soil Cation Exchange Capacity 2 cmol kg⁻¹21 cmol kg⁻¹35 cmol kg⁻¹78 cmol kg⁻¹
Base Saturation 21 %45 %99 %40 %
Total Exchangeable Bases 1.5 cmol kg⁻¹16.5 cmol kg⁻¹34.3 cmol kg⁻¹27.4 cmol kg⁻¹
Calcium Carbonate 0 %0 %4 %0 %
Calcium Sulphate 0 %0 %0 %0 %
Exchangeable Sodium 3 %1 %2 %1 %
Electrical Conductivity 0.1 dS m-10.1 dS m-10.1 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