Baie de Somme Picardie maritime
IUCN VRegional Nature Park · 2020
1 361 km²
Commune · FRA
Liercourt
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 088
Observations
6 119
Area
5,6km²
Ecological tissue
Sample of 45 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 Liercourt : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 131 interactions GloBI sur 6 types (connectance 12.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
46
Interactions affichées
131
Connectance
0.127
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
1 088 distinct species · 6 119 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,7°C
Annual rain
786mm
Warmest m°
21,7°C
Coldest m°
1,5°C
Elevation: 47 m on average (min 7 m, max 81 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,7°C
Annual rain
786mm
Warmest month
21,7°C
Coldest month
1,5°C
Mean alt.
47m
Min
7m
Max
81m
Std. dev.
28m
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
6,8
Org. C
30,4g/kg
Clay
22,4%
Sand
16,1%
Silt
61,5%
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
6,7
Org. C
48,6g/kg
Clay
21,7%
Sand
15,8%
Silt
62,5%
5–15 cm
pH H₂O
6,9
Org. C
25,0g/kg
Clay
22,5%
Sand
15,4%
Silt
62,1%
15–30 cm
pH H₂O
6,9
Org. C
17,6g/kg
Clay
22,9%
Sand
17,1%
Silt
60,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest9.4%
Crops67.7%
Built-up0.5%
Bare soil0.8%
Other (grassland, water…)21.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
6 195km²
Discharge in basins
0,5m³/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
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,8nW
Built-up
51,9%
Pesticides
47,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN IV · 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
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.