Marais Du Cotentin Et Du Bessin
IUCN VRegional Nature Park · 1991
1 475 km²
Commune · FRA
Pirou
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 365
Observations
4 963
Area
29,1km²
Ecological tissue
Sample of 43 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 Pirou : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 4 types (connectance 9.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
90
Connectance
0.095
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 365 distinct species · 4 963 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,8°C
Annual rain
926mm
Warmest m°
19,6°C
Coldest m°
4,7°C
Elevation: 19 m on average (min -1 m, max 36 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,8°C
Annual rain
926mm
Warmest month
19,6°C
Coldest month
4,7°C
Mean alt.
19m
Min
-1m
Max
36m
Std. dev.
10m
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
39,3g/kg
Clay
24,0%
Sand
26,0%
Silt
50,0%
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
63,3g/kg
Clay
22,2%
Sand
26,9%
Silt
50,9%
5–15 cm
pH H₂O
6,2
Org. C
31,2g/kg
Clay
24,6%
Sand
25,6%
Silt
49,8%
15–30 cm
pH H₂O
6,2
Org. C
23,5g/kg
Clay
25,3%
Sand
25,5%
Silt
49,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest21.9%
Crops40.3%
Built-up1.3%
Bare soil0.8%
Other (grassland, water…)35.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
14,2km
Basins crossed
2
Max stream order
2
Max drainage
157km²
Discharge in basins
0,6m³/s
Mean precip.
807mm/an
Mean T°
11,5°C
Moisture idx
0,13
Max snow
7%
Mean runoff
671mm/an
Mean elev. (basins)
31m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
125,0%
Pesticides
45,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN Not Reported · 2IUCN IV · 2IUCN V · 1🌊 Marine · 3
Havre de Saint-Germain-sur-Ay et Landes de Lessay
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
41 km²
Littoral Ouest du Cotentin de Bréhal à Pirou
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
34 km²
Tourbière De La Mare De Sursat
IUCN IVForest Managed Biological Reserve · 2015
0 km²
far west
IUCN IVLand acquired by a regional conservatory of natural areas · 2017
0 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.