Marais Du Cotentin Et Du Bessin
IUCN VRegional Nature Park · 1991
1 475 km²
Commune · FRA
France
Species observed
2 509
Observations
21 340
Area
27,7km²
Sample of 34 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 Le Molay-Littry : 26 espèces reliées par 49 interactions GloBI sur 5 types (connectance 8.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
2 509 distinct species · 21 340 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
11,2°C
Annual rain
898mm
Warmest m°
21,0°C
Coldest m°
3,1°C
Elevation: 67 m on average (min 30 m, max 116 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,1
Org. C
37,2g/kg
Clay
24,3%
Sand
18,3%
Silt
57,4%
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
6,1km
Basins crossed
1
Max stream order
1
Max drainage
1 958km²
Discharge in basins
0,7m³/s
Mean precip.
775mm/an
Mean T°
10,7°C
Moisture idx
0,06
Max snow
8%
Mean runoff
738mm/an
Mean elev. (basins)
111m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
1hab/km²
Night light
0,5nW
Built-up
139,5%
Pesticides
47,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Regional Nature Park · 1991
1 475 km²
National Nature Reserve · 1976
22 km²
Special Areas of Conservation (Habitats Directive) · 2015
10 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.