Protection Des Oiseaux Rupestres
IUCN IVBiotope Protection Order · 1987
116 km²
Commune · FRA
Virieu-le-Grand
France
CfbTemperate, no dry season, warm summer(70 %)
Species observed
2 591
Observations
56 770
Area
12,6km²
Ecological tissue
Sample of 26 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 Virieu-le-Grand : 16 espèces reliées par 92 interactions GloBI sur 6 types (connectance 19.8%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
92
Connectance
0.198
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
2 591 distinct species · 56 770 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,6°C
Annual rain
1 367mm
Warmest m°
24,0°C
Coldest m°
-2,5°C
Elevation: 534 m on average (min 298 m, max 998 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,6°C
Annual rain
1 367mm
Warmest month
24,0°C
Coldest month
-2,5°C
Mean alt.
534m
Min
298m
Max
998m
Std. dev.
231m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(70 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,7
Org. C
73,7g/kg
Clay
29,7%
Sand
29,6%
Silt
40,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Ain
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
115,1g/kg
Clay
28,0%
Sand
30,1%
Silt
41,9%
5–15 cm
pH H₂O
6,7
Org. C
70,6g/kg
Clay
28,6%
Sand
29,8%
Silt
41,6%
15–30 cm
pH H₂O
6,7
Org. C
35,4g/kg
Clay
32,5%
Sand
28,9%
Silt
38,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest53.2%
Crops19.3%
Built-up0.8%
Bare soil0.5%
Other (grassland, water…)26.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
5,2km
Basins crossed
2
Max stream order
1
Max drainage
14 054km²
Discharge in basins
13,2m³/s
Mean precip.
966mm/an
Mean T°
10,0°C
Moisture idx
0,07
Max snow
16%
Mean runoff
656mm/an
Mean elev. (basins)
479m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,2nW
Built-up
83,5%
Pesticides
7,2kg/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.