Lago Trasimeno

Location:Italy
Area:35,838 acres (14,503 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Cfb (Climate: warm temperate; Precipitation: fully humid; Temperature: warm summer)
Natura 2000 Data Sheet:View Data Sheet  Explanatory notes

Ecoregions

Italian sclerophyllous and semi-deciduous forests

Soils

Protected Area Boundary
 AB
   
Share50 %30 %20 %50 %30 %10 %5 %5 %
Soil TypeGleyic LuvisolsEutric FluvisolsDystric CambisolsDystric CambisolsEutric CambisolsHaplic LuvisolsLithic LeptosolsLithic Leptosols
Topsoil TextureMediumMediumMediumMediumMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm10 cm10 cm
DrainagePoorPoorModerately wellImperfectlyImperfectlyImperfectlyImperfectlyImperfectly
Available Water Capacity150 m150 m150 m50 m50 m50 m15 mm15 mm
Phase 1   LithicLithicLithic  
Root Obstacle60 - 80 cm60 - 80 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cm  
Impermeable LayerNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 cm  
Soil Water RegimeWet within 80 cm over 6 months, but not wet within 40 cm for over 11 monthWet within 80 cm over 6 months, but not wet within 40 cm for over 11 monthWet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 monthNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 monthNot wet within 80 cm for over 3 months, nor 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  
Topsoil Properties
Gravel5 %4 %10 %10 %9 %4 %21 %21 %
Sand47 %39 %42 %42 %42 %41 %42 %42 %
Silt29 %40 %38 %38 %36 %37 %34 %34 %
Clay24 %21 %20 %20 %22 %22 %24 %24 %
USDA TextureLoamLoamLoamLoamLoamLoamLoamLoam
Reference Bulk Density1.39 g/cm³1.4 g/cm³1.41 g/cm³1.41 g/cm³1.4 g/cm³1.4 g/cm³1.38 g/cm³1.38 g/cm³
Bulk Density1.54 g/cm³1.36 g/cm³1.3 g/cm³1.3 g/cm³1.37 g/cm³1.43 g/cm³1.3 g/cm³1.3 g/cm³
Organic Carbon0.83 %0.86 %1.45 %1.45 %1 %0.74 %1.61 %1.61 %
PH6.37.25.15.16.66.57.57.5
Clay Cation Exchange Capacity46 cmol kg⁻¹63 cmol kg⁻¹32 cmol kg⁻¹32 cmol kg⁻¹55 cmol kg⁻¹47 cmol kg⁻¹42 cmol kg⁻¹42 cmol kg⁻¹
Soil Cation Exchange Capacity16 cmol kg⁻¹16 cmol kg⁻¹12 cmol kg⁻¹12 cmol kg⁻¹16 cmol kg⁻¹13 cmol kg⁻¹16 cmol kg⁻¹16 cmol kg⁻¹
Base Saturation93 %91 %38 %38 %93 %91 %100 %100 %
Total Exchangeable Bases14.9 cmol kg⁻¹16.9 cmol kg⁻¹4.3 cmol kg⁻¹4.3 cmol kg⁻¹14 cmol kg⁻¹11 cmol kg⁻¹15.5 cmol kg⁻¹15.5 cmol kg⁻¹
Calcium Carbonate0 %0.5 %0 %0 %0 %0 %3.9 %3.9 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %0 %
Exchangeable Sodium2 %2 %2 %2 %2 %1 %3 %3 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel6 %7 %19 %19 %12 %3 %  
Sand39 %41 %45 %45 %41 %37 %  
Silt27 %38 %35 %35 %34 %34 %  
Clay34 %21 %20 %20 %25 %29 %  
USDA TextureClay loamLoamLoamLoamLoamClay loam  
Reference Bulk Density1.33 g/cm³1.4 g/cm³1.42 g/cm³1.42 g/cm³1.38 g/cm³1.35 g/cm³  
Bulk Density1.65 g/cm³1.39 g/cm³1.36 g/cm³1.36 g/cm³1.39 g/cm³1.51 g/cm³  
Organic Carbon0.28 %0.38 %0.5 %0.5 %0.37 %0.36 %  
PH77.55.25.276.7  
Clay Cation Exchange Capacity44 cmol kg⁻¹61 cmol kg⁻¹35 cmol kg⁻¹35 cmol kg⁻¹55 cmol kg⁻¹50 cmol kg⁻¹  
Soil Cation Exchange Capacity16 cmol kg⁻¹14 cmol kg⁻¹9 cmol kg⁻¹9 cmol kg⁻¹15 cmol kg⁻¹14 cmol kg⁻¹  
Base Saturation99 %96 %33 %33 %93 %93 %  
Total Exchangeable Bases15.9 cmol kg⁻¹15.2 cmol kg⁻¹2.6 cmol kg⁻¹2.6 cmol kg⁻¹15.1 cmol kg⁻¹13.1 cmol kg⁻¹  
Calcium Carbonate0.4 %2.5 %0 %0 %0.1 %0 %  
Calcium Sulphate0 %0 %0 %0 %0 %0 %  
Exchangeable Sodium2 %3 %2 %2 %2 %1 %  
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 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