Marais Du Cotentin Et Du Bessin
IUCN VRegional Nature Park · 1991
1 475 km²
Commune · FRA
France
Species observed
669
Observations
13 699
Area
14,7km²
Sample of 41 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 Grandcamp-Maisy : 35 espèces reliées par 46 interactions GloBI sur 3 types (connectance 5.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
669 distinct species · 13 699 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
11,6°C
Annual rain
909mm
Warmest m°
20,1°C
Coldest m°
4,2°C
Elevation: 17 m on average (min -9 m, max 31 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,6
Org. C
49,3g/kg
Clay
25,2%
Sand
29,1%
Silt
45,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Calvados
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
0,3km
Basins crossed
1
Max stream order
2
Max drainage
695km²
Discharge in basins
0,1m³/s
Mean precip.
727mm/an
Mean T°
10,6°C
Moisture idx
-0,01
Max snow
7%
Mean runoff
657mm/an
Mean elev. (basins)
64m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
1hab/km²
Night light
0,7nW
Built-up
181,3%
Pesticides
53,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Regional Nature Park · 1991
1 475 km²
Wetland of International Importance (Ramsar Site) · 1991
389 km²
Special Protection Area (Birds Directive) · 2006
337 km²
Special Areas of Conservation (Habitats Directive) · 2022
329 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.