Marais Du Cotentin Et Du Bessin
IUCN VRegional Nature Park · 1991
1 475 km²
Commune · FRA
Hébécrevon
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
368
Observations
1 070
Area
13,8km²
Ecological tissue
Sample of 32 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 Hébécrevon : 22 espèces reliées par 81 interactions GloBI sur 6 types (connectance 15.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
81
Connectance
0.153
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
368 distinct species · 1 070 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,2°C
Annual rain
957mm
Warmest m°
21,4°C
Coldest m°
2,9°C
Elevation: 70 m on average (min 32 m, max 92 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,2°C
Annual rain
957mm
Warmest month
21,4°C
Coldest month
2,9°C
Mean alt.
70m
Min
32m
Max
92m
Std. dev.
12m
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
6,1
Org. C
39,8g/kg
Clay
21,6%
Sand
19,0%
Silt
59,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Manche
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
62,0g/kg
Clay
20,8%
Sand
19,0%
Silt
60,2%
5–15 cm
pH H₂O
6,1
Org. C
32,1g/kg
Clay
21,9%
Sand
17,9%
Silt
60,2%
15–30 cm
pH H₂O
6,1
Org. C
25,1g/kg
Clay
22,1%
Sand
20,2%
Silt
57,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest15.3%
Crops41.4%
Built-up1.3%
Bare soil0.4%
Other (grassland, water…)41.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
3,0km
Basins crossed
2
Max stream order
4
Max drainage
1 958km²
Discharge in basins
0,3m³/s
Mean precip.
801mm/an
Mean T°
11,0°C
Moisture idx
0,12
Max snow
8%
Mean runoff
721mm/an
Mean elev. (basins)
81m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,5nW
Built-up
129,2%
Pesticides
36,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN IV · 1🌊 Marine · 2
La Vire et ses affluents
IUCN IVBiotope Protection Order · 2019
18 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.