Estuaire de la Bidassoa et baie de Fontarabie

Location:France
Area:23,423 acres (9,479 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

Cantabrian mixed forests

Soils

Protected Area Boundary
 A
  
Share50 %30 %20 %
Soil TypeEutric CambisolsCalcaric CambisolsHaplic Luvisols
Topsoil TextureMediumMediumMedium
Reference Depth100 cm100 cm100 cm
DrainageModerately wellModerately wellModerately well
Available Water Capacity150 m150 m150 m
Root ObstacleNone to 80 cm60 - 80 cmNone to 80 cm
Impermeable LayerNone 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 monthNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month
Topsoil Properties
Gravel9 %6 %4 %
Sand42 %36 %41 %
Silt36 %43 %37 %
Clay22 %21 %22 %
USDA TextureLoamLoamLoam
Reference Bulk Density1.4 g/cm³1.39 g/cm³1.4 g/cm³
Bulk Density1.37 g/cm³1.41 g/cm³1.43 g/cm³
Organic Carbon1 %0.65 %0.74 %
PH6.686.5
Clay Cation Exchange Capacity55 cmol kg⁻¹52 cmol kg⁻¹47 cmol kg⁻¹
Soil Cation Exchange Capacity16 cmol kg⁻¹16 cmol kg⁻¹13 cmol kg⁻¹
Base Saturation93 %100 %91 %
Total Exchangeable Bases14 cmol kg⁻¹24.3 cmol kg⁻¹11 cmol kg⁻¹
Calcium Carbonate0 %7 %0 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium2 %1 %1 %
Electrical Conductivity0.1 dS m-10.4 dS m-10.1 dS m-1
Subsoil Properties
Gravel12 %10 %3 %
Sand41 %34 %37 %
Silt34 %43 %34 %
Clay25 %23 %29 %
USDA TextureLoamLoamClay loam
Reference Bulk Density1.38 g/cm³1.38 g/cm³1.35 g/cm³
Bulk Density1.39 g/cm³1.45 g/cm³1.51 g/cm³
Organic Carbon0.37 %0.43 %0.36 %
PH78.16.7
Clay Cation Exchange Capacity55 cmol kg⁻¹54 cmol kg⁻¹50 cmol kg⁻¹
Soil Cation Exchange Capacity15 cmol kg⁻¹16 cmol kg⁻¹14 cmol kg⁻¹
Base Saturation93 %100 %93 %
Total Exchangeable Bases15.1 cmol kg⁻¹28.7 cmol kg⁻¹13.1 cmol kg⁻¹
Calcium Carbonate0.1 %8.7 %0 %
Calcium Sulphate0 %0.4 %0 %
Exchangeable Sodium2 %1 %1 %
Electrical Conductivity0.1 dS m-10.3 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