Étang De Saint-Bonnet
IUCN IVRegional Nature Reserve · 2011
1 km²
Commune · FRA
Villefontaine
France
CfbTemperate, no dry season, warm summer(74 %)
Species observed
1 815
Observations
36 586
Area
10,4km²
Ecological tissue
Sample of 31 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 Villefontaine : 12 espèces reliées par 276 interactions GloBI sur 6 types (connectance 13.7%, filtre Serrano α=0.2). 52 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
64
Interactions affichées
276
Connectance
0.137
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
1 815 distinct species · 36 586 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,0°C
Annual rain
919mm
Warmest m°
25,9°C
Coldest m°
-0,9°C
Elevation: 275 m on average (min 207 m, max 334 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,0°C
Annual rain
919mm
Warmest month
25,9°C
Coldest month
-0,9°C
Mean alt.
275m
Min
207m
Max
334m
Std. dev.
36m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(74 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,3
Org. C
27,9g/kg
Clay
22,1%
Sand
34,9%
Silt
43,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Isère
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
44,9g/kg
Clay
20,2%
Sand
35,6%
Silt
44,2%
5–15 cm
pH H₂O
6,3
Org. C
21,3g/kg
Clay
19,3%
Sand
34,5%
Silt
46,2%
15–30 cm
pH H₂O
6,3
Org. C
17,4g/kg
Clay
26,8%
Sand
34,5%
Silt
38,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest15.6%
Crops25.3%
Built-up7.4%
Bare soil0.4%
Other (grassland, water…)51.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
1,5km
Lake surface here
0,05km²
Basins crossed
1
Max stream order
3
Max drainage
737km²
Discharge in basins
0,2m³/s
Mean precip.
921mm/an
Mean T°
10,7°C
Moisture idx
0,01
Max snow
4%
Mean runoff
515mm/an
Mean elev. (basins)
372m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
11hab/km²
Night light
10,3nW
Built-up
741,0%
Pesticides
46,3kg/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.