Vallée de l'Erve en aval de Saint-Pierre-sur-Erve
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2012
3 km²
Commune · FRA
Chémeré-le-Roi
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 807
Observations
15 743
Area
15,8km²
Ecological tissue
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Chémeré-le-Roi : 27 espèces reliées par 94 interactions GloBI sur 4 types (connectance 16.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
34
Interactions affichées
94
Connectance
0.168
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
1 807 distinct species · 15 743 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,5°C
Annual rain
769mm
Warmest m°
23,3°C
Coldest m°
1,9°C
Elevation: 81 m on average (min 66 m, max 102 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,5°C
Annual rain
769mm
Warmest month
23,3°C
Coldest month
1,9°C
Mean alt.
81m
Min
66m
Max
102m
Std. dev.
9m
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
6,2
Org. C
31,9g/kg
Clay
21,9%
Sand
23,6%
Silt
54,4%
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
6,1
Org. C
55,4g/kg
Clay
20,0%
Sand
24,2%
Silt
55,8%
5–15 cm
pH H₂O
6,2
Org. C
23,7g/kg
Clay
21,3%
Sand
23,0%
Silt
55,7%
15–30 cm
pH H₂O
6,2
Org. C
16,5g/kg
Clay
24,5%
Sand
23,7%
Silt
51,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.0%
Crops71.0%
Built-up0.6%
Bare soil0.3%
Other (grassland, water…)20.1%
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
7 981km²
Discharge in basins
0,6m³/s
Mean precip.
713mm/an
Mean T°
10,9°C
Moisture idx
-0,15
Max snow
5%
Mean runoff
245mm/an
Mean elev. (basins)
87m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
57,0%
Pesticides
44,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 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.