Marais et tourbières des vallées de la Somme et de l’Avre
IUCN IVWetland of International Importance (Ramsar Site) · 2017
131 km²
Commune · FRA
Bray-sur-Somme
France
CfbTemperate, no dry season, warm summer(100 %)
Area
17km²
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Species present
Computing species observations from GBIF…
Climate
Mean T°
10,5°C
Annual rain
751mm
Warmest m°
22,2°C
Coldest m°
0,9°C
Elevation: 81 m on average (min 42 m, max 110 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,5°C
Annual rain
751mm
Warmest month
22,2°C
Coldest month
0,9°C
Mean alt.
81m
Min
42m
Max
110m
Std. dev.
18m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,3
Org. C
21,0g/kg
Clay
27,7%
Sand
9,9%
Silt
62,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Somme
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,0
Org. C
33,6g/kg
Clay
25,9%
Sand
10,1%
Silt
64,0%
5–15 cm
pH H₂O
7,4
Org. C
15,8g/kg
Clay
28,2%
Sand
9,3%
Silt
62,5%
15–30 cm
pH H₂O
7,4
Org. C
13,5g/kg
Clay
29,1%
Sand
10,2%
Silt
60,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.0%
Crops79.4%
Built-up0.8%
Bare soil1.1%
Other (grassland, water…)12.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology
Computing basins, lakes, rivers…
Human pressure
Pop. density
0hab/km²
Night light
0,6nW
Built-up
81,8%
Pesticides
46,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN IV · 3IUCN Not Reported · 2
Étangs et marais du bassin de la Somme
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
52 km²
Moyenne vallée de la Somme
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2008
18 km²
le marais communal de bray sur somme
IUCN IVLand acquired by a regional conservatory of natural areas · 2020
0 km²
le larris du gros mont
IUCN IVLand acquired by a regional conservatory of natural areas · 2020
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.