Larra-Aztaparreta

Location:Spain
Area:9,754 acres (3,947 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

Pyrenees conifer and mixed forests

Soils

Protected Area Boundary
 AB
   
Share60 %20 %15 %5 %50 %20 %15 %15 %
Soil TypeEutric CambisolsHaplic LuvisolsRendzic LeptosolsCalcaric PhaeozemsHumic CambisolsDystric CambisolsUmbric LeptosolsLithic Leptosols
Topsoil TextureMediumMediumMediumMediumMediumMediumMediumMedium
Reference Depth100 cm100 cm30 cm100 cm100 cm100 cm30 cm10 cm
DrainageModerately wellModerately wellImperfectlyModerately wellImperfectlyImperfectlyImperfectlyImperfectly
Available Water Capacity150 m150 m50 mm150 m15 m15 m15 mm0 mm
Phase 1    LithicLithicGravellyGravelly
Phase 2    GravellyGravelly  
Root ObstacleNone to 80 cmNone to 80 cm None to 80 cm20 - 40 cm20 - 40 cm  
Impermeable LayerNone to 150 cmNone to 150 cm None to 150 cmNone to 150 cmNone to 150 cm  
Soil Water RegimeNot 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 month Not 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 monthWet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 month  
Topsoil Properties
Gravel9 %4 %16 %3 %8 %10 %6 %21 %
Sand42 %41 %37 %35 %41 %42 %49 %42 %
Silt36 %37 %44 %43 %36 %38 %31 %34 %
Clay22 %22 %19 %22 %23 %20 %20 %24 %
USDA TextureLoamLoamLoamLoamLoamLoamLoamLoam
Reference Bulk Density1.4 g/cm³1.4 g/cm³1.41 g/cm³1.38 g/cm³1.39 g/cm³1.41 g/cm³1.43 g/cm³1.38 g/cm³
Bulk Density1.37 g/cm³1.43 g/cm³1.24 g/cm³1.46 g/cm³1.1 g/cm³1.3 g/cm³1.1 g/cm³1.3 g/cm³
Organic Carbon1 %0.74 %2.13 %1.37 %2.72 %1.45 %2.4 %1.61 %
PH6.66.57.57.95.35.15.17.5
Clay Cation Exchange Capacity55 cmol kg⁻¹47 cmol kg⁻¹80 cmol kg⁻¹67 cmol kg⁻¹52 cmol kg⁻¹32 cmol kg⁻¹34 cmol kg⁻¹42 cmol kg⁻¹
Soil Cation Exchange Capacity16 cmol kg⁻¹13 cmol kg⁻¹27 cmol kg⁻¹17 cmol kg⁻¹21 cmol kg⁻¹12 cmol kg⁻¹12 cmol kg⁻¹16 cmol kg⁻¹
Base Saturation93 %91 %100 %100 %25 %38 %36 %100 %
Total Exchangeable Bases14 cmol kg⁻¹11 cmol kg⁻¹28.8 cmol kg⁻¹25.8 cmol kg⁻¹5.4 cmol kg⁻¹4.3 cmol kg⁻¹4.7 cmol kg⁻¹15.5 cmol kg⁻¹
Calcium Carbonate0 %0 %6 %3.4 %0 %0 %0 %3.9 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %0 %
Exchangeable Sodium2 %1 %2 %1 %1 %2 %4 %3 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.2 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel12 %3 % 5 %6 %19 %  
Sand41 %37 % 35 %44 %45 %  
Silt34 %34 % 44 %32 %35 %  
Clay25 %29 % 21 %24 %20 %  
USDA TextureLoamClay loam LoamLoamLoam  
Reference Bulk Density1.38 g/cm³1.35 g/cm³ 1.39 g/cm³1.39 g/cm³1.42 g/cm³  
Bulk Density1.39 g/cm³1.51 g/cm³ 1.44 g/cm³1.16 g/cm³1.36 g/cm³  
Organic Carbon0.37 %0.36 % 0.48 %1.07 %0.5 %  
PH76.7 8.25.35.2  
Clay Cation Exchange Capacity55 cmol kg⁻¹50 cmol kg⁻¹ 71 cmol kg⁻¹37 cmol kg⁻¹35 cmol kg⁻¹  
Soil Cation Exchange Capacity15 cmol kg⁻¹14 cmol kg⁻¹ 14 cmol kg⁻¹14 cmol kg⁻¹9 cmol kg⁻¹  
Base Saturation93 %93 % 100 %30 %33 %  
Total Exchangeable Bases15.1 cmol kg⁻¹13.1 cmol kg⁻¹ 22.2 cmol kg⁻¹2.5 cmol kg⁻¹2.6 cmol kg⁻¹  
Calcium Carbonate0.1 %0 % 11.4 %0 %0 %  
Calcium Sulphate0 %0 % 0 %0 %0 %  
Exchangeable Sodium2 %1 % 2 %2 %2 %  
Electrical Conductivity0.1 dS m-10.1 dS m-1 0.1 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