Estuaires Picards Et Mer D\'Opale
IUCN VMarine Nature Park · 2012
2 345 km²
Commune · FRA
Saint-Valery-sur-Somme
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 809
Observations
17 398
Area
12,7km²
Ecological tissue
Sample of 42 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Saint-Valery-sur-Somme : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 126 interactions GloBI sur 5 types (connectance 13.3%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
126
Connectance
0.133
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 809 distinct species · 17 398 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,0°C
Annual rain
839mm
Warmest m°
20,9°C
Coldest m°
2,4°C
Elevation: 14 m on average (min 5 m, max 25 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,0°C
Annual rain
839mm
Warmest month
20,9°C
Coldest month
2,4°C
Mean alt.
14m
Min
5m
Max
25m
Std. dev.
6m
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
7,1
Org. C
30,2g/kg
Clay
24,3%
Sand
24,7%
Silt
51,1%
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
6,9
Org. C
50,8g/kg
Clay
23,8%
Sand
24,4%
Silt
51,8%
5–15 cm
pH H₂O
7,1
Org. C
21,1g/kg
Clay
24,8%
Sand
23,6%
Silt
51,6%
15–30 cm
pH H₂O
7,2
Org. C
18,8g/kg
Clay
24,2%
Sand
26,0%
Silt
49,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest11.8%
Crops42.0%
Built-up2.1%
Bare soil1.7%
Other (grassland, water…)42.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
3,6km
Basins crossed
2
Max stream order
3
Max drainage
6 195km²
Discharge in basins
0,7m³/s
Mean precip.
651mm/an
Mean T°
10,4°C
Moisture idx
-0,09
Max snow
8%
Mean runoff
569mm/an
Mean elev. (basins)
48m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
4,3nW
Built-up
211,5%
Pesticides
45,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN V · 2IUCN Not Reported · 2IUCN IV · 2🌊 Marine · 4
Baie de Somme Picardie maritime
IUCN VRegional Nature Park · 2020
1 361 km²
Baie de Somme
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1998
190 km²
Estuaires et littoral picards (baies de Somme et d'Authie)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
156 km²
Baie et basse vallee de la somme
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2019
6 km²
Le bois houdant
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 1981
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.