Baie de Somme Picardie maritime
IUCN VRegional Nature Park · 2020
1 361 km²
Commune · FRA
Vironchaux
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
914
Observations
5 942
Area
16,3km²
Ecological tissue
Sample of 40 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 Vironchaux : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 136 interactions GloBI sur 5 types (connectance 16.6%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
136
Connectance
0.166
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
914 distinct species · 5 942 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,6°C
Annual rain
900mm
Warmest m°
21,2°C
Coldest m°
1,6°C
Elevation: 57 m on average (min 40 m, max 66 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,6°C
Annual rain
900mm
Warmest month
21,2°C
Coldest month
1,6°C
Mean alt.
57m
Min
40m
Max
66m
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
6,8
Org. C
25,4g/kg
Clay
23,0%
Sand
23,4%
Silt
53,7%
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
39,0g/kg
Clay
22,5%
Sand
23,2%
Silt
54,3%
5–15 cm
pH H₂O
6,9
Org. C
20,1g/kg
Clay
23,4%
Sand
22,5%
Silt
54,2%
15–30 cm
pH H₂O
6,9
Org. C
17,0g/kg
Clay
23,1%
Sand
24,6%
Silt
52,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.1%
Crops75.8%
Built-up0.6%
Bare soil0.8%
Other (grassland, water…)14.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,8km
Basins crossed
2
Max stream order
1
Max drainage
1 103km²
Discharge in basins
0,2m³/s
Mean precip.
658mm/an
Mean T°
10,2°C
Moisture idx
-0,07
Max snow
8%
Mean runoff
549mm/an
Mean elev. (basins)
82m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
57,1%
Pesticides
46,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN IV · 1🌊 Marine · 1
Domaine de regniere ecluse
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 1997
8 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.