Perche
IUCN VRegional Nature Park · 1998
2 014 km²
Commune · FRA
Gréez-sur-Roc
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 320
Observations
25 324
Area
25,9km²
Ecological tissue
Sample of 29 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 Gréez-sur-Roc : 22 espèces reliées par 64 interactions GloBI sur 3 types (connectance 15.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
29
Interactions affichées
64
Connectance
0.158
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
1 320 distinct species · 25 324 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,7°C
Annual rain
761mm
Warmest m°
22,8°C
Coldest m°
1,0°C
Elevation: 196 m on average (min 148 m, max 247 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,7°C
Annual rain
761mm
Warmest month
22,8°C
Coldest month
1,0°C
Mean alt.
196m
Min
148m
Max
247m
Std. dev.
32m
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
6,4
Org. C
26,9g/kg
Clay
24,7%
Sand
26,0%
Silt
49,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Sarthe
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
44,9g/kg
Clay
23,4%
Sand
26,4%
Silt
50,1%
5–15 cm
pH H₂O
6,5
Org. C
20,9g/kg
Clay
24,2%
Sand
25,5%
Silt
50,3%
15–30 cm
pH H₂O
6,5
Org. C
14,8g/kg
Clay
26,4%
Sand
26,1%
Silt
47,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest20.0%
Crops53.5%
Built-up0.4%
Bare soil0.5%
Other (grassland, water…)25.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
5,7km
Basins crossed
2
Max stream order
2
Max drainage
4 653km²
Discharge in basins
0,2m³/s
Mean precip.
671mm/an
Mean T°
10,6°C
Moisture idx
-0,20
Max snow
5%
Mean runoff
213mm/an
Mean elev. (basins)
153m
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
0,0nW
Built-up
38,6%
Pesticides
44,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN Not Reported · 1
Cuesta cénomanienne du Perche d'Eure-et-Loir
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2007
4 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.