Marais Du Cotentin Et Du Bessin
IUCN VRegional Nature Park · 1991
1 475 km²
Commune · FRA
Géfosse-Fontenay
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 430
Observations
10 012
Area
11,6km²
Ecological tissue
Sample of 25 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 Géfosse-Fontenay : 17 espèces reliées par 47 interactions GloBI sur 2 types (connectance 14.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
26
Interactions affichées
47
Connectance
0.145
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 430 distinct species · 10 012 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,6°C
Annual rain
903mm
Warmest m°
20,3°C
Coldest m°
4,1°C
Elevation: 12 m on average (min -16 m, max 31 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,6°C
Annual rain
903mm
Warmest month
20,3°C
Coldest month
4,1°C
Mean alt.
12m
Min
-16m
Max
31m
Std. dev.
11m
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
6,7
Org. C
51,5g/kg
Clay
25,8%
Sand
30,8%
Silt
43,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Calvados
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
74,7g/kg
Clay
24,5%
Sand
32,0%
Silt
43,5%
5–15 cm
pH H₂O
6,8
Org. C
41,1g/kg
Clay
26,8%
Sand
29,5%
Silt
43,7%
15–30 cm
pH H₂O
6,8
Org. C
38,6g/kg
Clay
26,0%
Sand
30,9%
Silt
43,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest5.9%
Crops63.5%
Built-up0.5%
Bare soil0.4%
Other (grassland, water…)29.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
1 958km²
Discharge in basins
0,1m³/s
Mean precip.
732mm/an
Mean T°
10,6°C
Moisture idx
-0,00
Max snow
8%
Mean runoff
666mm/an
Mean elev. (basins)
69m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
51,3%
Pesticides
44,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN Not Reported · 4IUCN V · 1🌊 Marine · 5
Marais du Cotentin et du Bessin, Baie des Veys
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1991
389 km²
Basses Vallées du Cotentin et Baie des Veys
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2006
337 km²
Marais du Cotentin et du Bessin - Baie des Veys
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2022
329 km²
Marais du Cotentin et du Bessin - Baie des Veys
IUCN Not ReportedMarine Protected Area (OSPAR) · 2012
287 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.