Plateau du Retord et chaîne du Grand Colombier
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2017
36 km²
Commune · FRA
France
Species observed
643
Observations
2 239
Area
10km²
Sample of 36 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).
Tissu écologique de Brénaz : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 56 interactions GloBI documentées sur 6 types (connectance 8.9%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
643 distinct species · 2 239 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
7,9°C
Annual rain
1 425mm
Warmest m°
20,7°C
Coldest m°
-4,3°C
Elevation: 980 m on average (min 654 m, max 1 289 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,3
Org. C
84,2g/kg
Clay
34,1%
Sand
24,2%
Silt
41,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Ain
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
2,3km
Basins crossed
2
Max stream order
1
Max drainage
11 297km²
Discharge in basins
0,5m³/s
Mean precip.
1 081mm/an
Mean T°
8,7°C
Moisture idx
0,21
Max snow
16%
Mean runoff
802mm/an
Mean elev. (basins)
705m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,0nW
Built-up
22,9%
Pesticides
31,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Special Areas of Conservation (Habitats Directive) · 2017
36 km²
Forest Integral Biological Reserve · 2017
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.