Baie de Somme Picardie maritime
IUCN VRegional Nature Park · 2020
1 361 km²
Commune · FRA
Mareuil-Caubert
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 741
Observations
17 021
Area
9km²
Ecological tissue
Sample of 48 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 Mareuil-Caubert : 35 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 114 interactions GloBI sur 6 types (connectance 9.7%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
49
Interactions affichées
114
Connectance
0.097
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
1 741 distinct species · 17 021 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,9°C
Annual rain
806mm
Warmest m°
21,6°C
Coldest m°
1,7°C
Elevation: 30 m on average (min 4 m, max 69 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,9°C
Annual rain
806mm
Warmest month
21,6°C
Coldest month
1,7°C
Mean alt.
30m
Min
4m
Max
69m
Std. dev.
20m
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
6,7
Org. C
25,3g/kg
Clay
22,5%
Sand
17,3%
Silt
60,2%
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
6,6
Org. C
41,2g/kg
Clay
21,6%
Sand
17,1%
Silt
61,2%
5–15 cm
pH H₂O
6,8
Org. C
19,6g/kg
Clay
22,7%
Sand
16,6%
Silt
60,8%
15–30 cm
pH H₂O
6,8
Org. C
15,1g/kg
Clay
23,1%
Sand
18,3%
Silt
58,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest23.2%
Crops48.0%
Built-up0.8%
Bare soil0.5%
Other (grassland, water…)27.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
4,4km
Lake surface here
0,20km²
Basins crossed
1
Max stream order
5
Max drainage
6 195km²
Discharge in basins
0,8m³/s
Mean precip.
657mm/an
Mean T°
10,3°C
Moisture idx
-0,09
Max snow
8%
Mean runoff
553mm/an
Mean elev. (basins)
75m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,8nW
Built-up
83,3%
Pesticides
46,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas8
IUCN IV · 5IUCN Not Reported · 2IUCN V · 1🌊 Marine · 1
Marais et tourbières des vallées de la Somme et de l’Avre
IUCN IVWetland of International Importance (Ramsar Site) · 2017
131 km²
Étangs et marais du bassin de la Somme
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
52 km²
Marais et monts de Mareuil-Caubert
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2008
9 km²
Moyenne vallee de la somme
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2008
2 km²
les marais communaux de mareuil caubert
IUCN IVLand acquired by a regional conservatory of natural areas · 2016
1 km²
Complete list8 protected areas
- Baie de Somme Picardie maritimeRegional Nature ParkIUCN V20201 361 km²
- Marais et tourbières des vallées de la Somme et de l’AvreWetland of International Importance (Ramsar Site)IUCN IV2017131 km²
- Étangs et marais du bassin de la SommeSpecial Protection Area (Birds Directive)IUCN Not Reported200752 km²
- Marais et monts de Mareuil-CaubertSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20089 km²
- Moyenne vallee de la sommeLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV20082 km²
- les marais communaux de mareuil caubertLand acquired by a regional conservatory of natural areasIUCN IV20161 km²
- les marais d epagne epagnetteLand acquired by a regional conservatory of natural areasIUCN IV20080 km²
- les riez de yonvalLand acquired by a regional conservatory of natural areasIUCN IV20160 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.