Rade de Brest : Baie de Daoulas, Anse de Poulmic

Location:France
Area:20,025 acres (8,104 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

Atlantic mixed forests

Soils

Protected Area Boundary
 AB
   
Share50 %30 %20 %70 %15 %10 %5 %
Soil TypeEutric CambisolsEutric CambisolsCalcaric CambisolsDystric CambisolsGleyic PodzoluvisolsHaplic LuvisolsUmbric Leptosols
Topsoil TextureMediumMediumMediumMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm30 cm
DrainageModerately wellModerately wellModerately wellModerately wellPoorModerately wellImperfectly
Available Water Capacity150 m100 m150 m100 m150 m150 m15 mm
Phase 1   Stony   
Root ObstacleNone to 80 cmNone to 80 cmNone to 80 cm40 - 60 cmNone to 80 cmNone to 80 cm 
Impermeable LayerNone to 150 cm40 - 80 cmNone to 150 cmNone to 150 cm80 - 150 cmNone to 150 cm 
Soil Water RegimeNot 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 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 monthNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month 
Topsoil Properties
Gravel9 %9 %6 %10 %1 %4 %6 %
Sand42 %42 %36 %42 %32 %41 %49 %
Silt36 %36 %43 %38 %49 %37 %31 %
Clay22 %22 %21 %20 %19 %22 %20 %
USDA TextureLoamLoamLoamLoamLoamLoamLoam
Reference Bulk Density1.4 g/cm³1.4 g/cm³1.39 g/cm³1.41 g/cm³1.4 g/cm³1.4 g/cm³1.43 g/cm³
Bulk Density1.37 g/cm³1.37 g/cm³1.41 g/cm³1.3 g/cm³1.35 g/cm³1.43 g/cm³1.1 g/cm³
Organic Carbon1 %1 %0.65 %1.45 %2.22 %0.74 %2.4 %
PH6.66.685.15.36.55.1
Clay Cation Exchange Capacity55 cmol kg⁻¹55 cmol kg⁻¹52 cmol kg⁻¹32 cmol kg⁻¹36 cmol kg⁻¹47 cmol kg⁻¹34 cmol kg⁻¹
Soil Cation Exchange Capacity16 cmol kg⁻¹16 cmol kg⁻¹16 cmol kg⁻¹12 cmol kg⁻¹17 cmol kg⁻¹13 cmol kg⁻¹12 cmol kg⁻¹
Base Saturation93 %93 %100 %38 %55 %91 %36 %
Total Exchangeable Bases14 cmol kg⁻¹14 cmol kg⁻¹24.3 cmol kg⁻¹4.3 cmol kg⁻¹5.7 cmol kg⁻¹11 cmol kg⁻¹4.7 cmol kg⁻¹
Calcium Carbonate0 %0 %7 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %
Exchangeable Sodium2 %2 %1 %2 %0 %1 %4 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.4 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel12 %12 %10 %19 %4 %3 % 
Sand41 %41 %34 %45 %25 %37 % 
Silt34 %34 %43 %35 %51 %34 % 
Clay25 %25 %23 %20 %24 %29 % 
USDA TextureLoamLoamLoamLoamSilt loamClay loam 
Reference Bulk Density1.38 g/cm³1.38 g/cm³1.38 g/cm³1.42 g/cm³1.35 g/cm³1.35 g/cm³ 
Bulk Density1.39 g/cm³1.39 g/cm³1.45 g/cm³1.36 g/cm³1.6 g/cm³1.51 g/cm³ 
Organic Carbon0.37 %0.37 %0.43 %0.5 %0.5 %0.36 % 
PH778.15.25.46.7 
Clay Cation Exchange Capacity55 cmol kg⁻¹55 cmol kg⁻¹54 cmol kg⁻¹35 cmol kg⁻¹40 cmol kg⁻¹50 cmol kg⁻¹ 
Soil Cation Exchange Capacity15 cmol kg⁻¹15 cmol kg⁻¹16 cmol kg⁻¹9 cmol kg⁻¹14 cmol kg⁻¹14 cmol kg⁻¹ 
Base Saturation93 %93 %100 %33 %59 %93 % 
Total Exchangeable Bases15.1 cmol kg⁻¹15.1 cmol kg⁻¹28.7 cmol kg⁻¹2.6 cmol kg⁻¹4.9 cmol kg⁻¹13.1 cmol kg⁻¹ 
Calcium Carbonate0.1 %0.1 %8.7 %0 %0 %0 % 
Calcium Sulphate0 %0 %0.4 %0 %0 %0 % 
Exchangeable Sodium2 %2 %1 %2 %0 %1 % 
Electrical Conductivity0.1 dS m-10.1 dS m-10.3 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