Baie de Somme Picardie maritime
IUCN VRegional Nature Park · 2020
1 361 km²
Commune · FRA
France
Species observed
1 501
Observations
21 526
Area
11,5km²
Sample of 39 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).
Tissu écologique de Port-le-Grand : 31 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 98 interactions GloBI sur 6 types (connectance 12.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
1 501 distinct species · 21 526 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
10,8°C
Annual rain
808mm
Warmest m°
21,3°C
Coldest m°
1,8°C
Elevation: 37 m on average (min 4 m, max 55 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,7
Org. C
32,8g/kg
Clay
22,4%
Sand
21,9%
Silt
55,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Somme
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
0,7km
Basins crossed
2
Max stream order
1
Max drainage
6 195km²
Discharge in basins
0,9m³/s
Mean precip.
656mm/an
Mean T°
10,3°C
Moisture idx
-0,09
Max snow
8%
Mean runoff
554mm/an
Mean elev. (basins)
73m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,5nW
Built-up
35,9%
Pesticides
46,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Regional Nature Park · 2020
1 361 km²
Wetland of International Importance (Ramsar Site) · 1998
190 km²
Special Areas of Conservation (Habitats Directive) · 2010
156 km²
Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2019
6 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.