Milieux alluviaux du Rhône aval
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2008
21 km²
Commune · FRA
Cruas
France
CfaTemperate, no dry season, hot summer(100 %)
Species observed
627
Observations
1 967
Area
15,3km²
Ecological tissue
Sample of 38 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 Cruas : 35 espèces + 3 bulles famille, 73 interactions GloBI documentées sur 4 types (connectance 10.4%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
38
Interactions affichées
73
Connectance
0.104
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
627 distinct species · 1 967 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,4°C
Annual rain
947mm
Warmest m°
28,2°C
Coldest m°
0,9°C
Elevation: 195 m on average (min 79 m, max 362 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,4°C
Annual rain
947mm
Warmest month
28,2°C
Coldest month
0,9°C
Mean alt.
195m
Min
79m
Max
362m
Std. dev.
100m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,0
Org. C
37,6g/kg
Clay
27,9%
Sand
28,9%
Silt
43,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Ardèche
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,0
Org. C
64,7g/kg
Clay
26,9%
Sand
29,3%
Silt
43,9%
5–15 cm
pH H₂O
7,1
Org. C
25,6g/kg
Clay
26,6%
Sand
29,0%
Silt
44,5%
15–30 cm
pH H₂O
7,1
Org. C
22,6g/kg
Clay
30,2%
Sand
28,4%
Silt
41,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest39.4%
Crops13.5%
Built-up3.4%
Bare soil1.9%
Other (grassland, water…)41.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
1,2km
Lake surface here
0,10km²
Basins crossed
1
Max stream order
7
Max drainage
70 572km²
Discharge in basins
13,5m³/s
Mean precip.
850mm/an
Mean T°
11,5°C
Moisture idx
-0,10
Max snow
4%
Mean runoff
401mm/an
Mean elev. (basins)
331m
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
1hab/km²
Night light
4,7nW
Built-up
341,5%
Pesticides
43,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
fleuve rhone de baix a cruas
IUCN IVLand acquired by a regional conservatory of natural areas · 2020
0 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.