Vassorfjärden

Location:Finland
Area:3,798 acres (1,537 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 %20 %10 %10 %10 %
Soil TypeDystric GleysolsHaplic PodzolsVertic CambisolsLithic LeptosolsFibric Histosols
Topsoil TextureFineCoarseFineCoarseFine
Reference Depth100 cm100 cm100 cm10 cm100 cm
DrainageVery poorSomewhat excessiveModerately wellModerately wellVery poor
Available Water Capacity150 m50 m150 m15 mm150 m
Phase 1 Stony   
Root ObstacleNone to 80 cmNone to 80 cmNone to 80 cm None to 80 cm
Impermeable LayerNone to 150 cmNone to 150 cmNone to 150 cm None to 150 cm
Soil Water RegimeWet 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 month Wet within 40 cm depth for over 11 month
Misc. Property  Vertic (cracks of more than 1 cm wide)  
Topsoil Properties
Gravel1 %3 %2 %21 %1 %
Sand16 %87 %20 %73 %20 %
Silt29 %9 %29 %18 %40 %
Clay55 %4 %51 %9 %40 %
USDA TextureClayLoamy sandClaySandy loamClay
Reference Bulk Density1.21 g/cm³1.73 g/cm³1.23 g/cm³1.59 g/cm³1.26 g/cm³
Bulk Density1.05 g/cm³1.4 g/cm³1.43 g/cm³1.45 g/cm³0.1 g/cm³
Organic Carbon1.65 %2.18 %0.96 %1.4 %33.63 %
PH4.74.47.37.54.3
Clay Cation Exchange Capacity31 cmol kg⁻¹101 cmol kg⁻¹54 cmol kg⁻¹85 cmol kg⁻¹45 cmol kg⁻¹
Soil Cation Exchange Capacity24 cmol kg⁻¹9 cmol kg⁻¹36 cmol kg⁻¹12 cmol kg⁻¹77 cmol kg⁻¹
Base Saturation49 %11 %94 %86 %62 %
Total Exchangeable Bases16.3 cmol kg⁻¹2.6 cmol kg⁻¹27.4 cmol kg⁻¹5.2 cmol kg⁻¹31.4 cmol kg⁻¹
Calcium Carbonate0 %0 %0.3 %0 %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
Gravel1 %4 %4 % 2 %
Sand18 %88 %18 % 47 %
Silt24 %8 %29 % 26 %
Clay58 %4 %53 % 27 %
USDA TextureClaySandClay Sandy clay loam
Reference Bulk Density1.21 g/cm³1.74 g/cm³1.22 g/cm³ 1.38 g/cm³
Bulk Density1.24 g/cm³1.51 g/cm³1.46 g/cm³ 0.1 g/cm³
Organic Carbon0.77 %0.39 %0.43 % 32.89 %
PH4.657.7 4.6
Clay Cation Exchange Capacity38 cmol kg⁻¹66 cmol kg⁻¹61 cmol kg⁻¹ 71 cmol kg⁻¹
Soil Cation Exchange Capacity21 cmol kg⁻¹2 cmol kg⁻¹35 cmol kg⁻¹ 78 cmol kg⁻¹
Base Saturation45 %21 %99 % 40 %
Total Exchangeable Bases16.5 cmol kg⁻¹1.5 cmol kg⁻¹34.3 cmol kg⁻¹ 27.4 cmol kg⁻¹
Calcium Carbonate0 %0 %4 % 0 %
Calcium Sulphate0 %0 %0 % 0 %
Exchangeable Sodium1 %3 %2 % 1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-1 0.1 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