Marais et tourbières des vallées de la Somme et de l’Avre
IUCN IVWetland of International Importance (Ramsar Site) · 2017
131 km²
Commune · FRA
France
Species observed
2 063
Observations
22 150
Area
5,3km²
Sample of 51 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 Breilly : 40 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 111 interactions GloBI sur 5 types (connectance 8.7%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
2 063 distinct species · 22 150 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
10,6°C
Annual rain
731mm
Warmest m°
22,1°C
Coldest m°
1,2°C
Elevation: 51 m on average (min 21 m, max 75 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,7
Org. C
21,8g/kg
Clay
23,3%
Sand
13,6%
Silt
63,1%
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
4,4km
Basins crossed
1
Max stream order
5
Max drainage
4 883km²
Discharge in basins
0,8m³/s
Mean precip.
658mm/an
Mean T°
10,1°C
Moisture idx
-0,12
Max snow
8%
Mean runoff
487mm/an
Mean elev. (basins)
88m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,9nW
Built-up
72,7%
Pesticides
47,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Wetland of International Importance (Ramsar Site) · 2017
131 km²
Special Protection Area (Birds Directive) · 2007
52 km²
Special Areas of Conservation (Habitats Directive) · 2010
14 km²
Land acquired by a regional conservatory of natural areas · 2009
1 km²
Land acquired by a regional conservatory of natural areas · 2006
1 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.