Prairie et boisement humides des Bizeuls
IUCN IVRegional Nature Reserve · 2019
0 km²
Commune · FRA
Ernée
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
871
Observations
11 730
Area
36,1km²
Ecological tissue
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Ernée : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 80 interactions GloBI sur 6 types (connectance 9.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
80
Connectance
0.098
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
871 distinct species · 11 730 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,9°C
Annual rain
881mm
Warmest m°
22,1°C
Coldest m°
1,9°C
Elevation: 147 m on average (min 119 m, max 198 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,9°C
Annual rain
881mm
Warmest month
22,1°C
Coldest month
1,9°C
Mean alt.
147m
Min
119m
Max
198m
Std. dev.
18m
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
6,0
Org. C
38,0g/kg
Clay
20,4%
Sand
16,9%
Silt
62,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Mayenne
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
64,3g/kg
Clay
19,7%
Sand
17,2%
Silt
63,2%
5–15 cm
pH H₂O
6,0
Org. C
27,9g/kg
Clay
19,9%
Sand
16,4%
Silt
63,7%
15–30 cm
pH H₂O
6,0
Org. C
21,9g/kg
Clay
21,6%
Sand
17,1%
Silt
61,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest11.0%
Crops50.2%
Built-up2.3%
Bare soil0.5%
Other (grassland, water…)36.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
11,7km
Basins crossed
1
Max stream order
2
Max drainage
421km²
Discharge in basins
0,5m³/s
Mean precip.
753mm/an
Mean T°
10,5°C
Moisture idx
-0,05
Max snow
6%
Mean runoff
440mm/an
Mean elev. (basins)
153m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,8nW
Built-up
226,2%
Pesticides
45,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
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.