Milieux alluviaux du Rhône aval
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2008
21 km²
Commune · FRA
Donzère
France
CfaTemperate, no dry season, hot summer(100 %)
Species observed
2 232
Observations
44 918
Area
32,6km²
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 Donzère : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 72 interactions GloBI documentées sur 5 types (connectance 10.2%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
38
Interactions affichées
72
Connectance
0.102
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 232 distinct species · 44 918 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,5°C
Annual rain
824mm
Warmest m°
29,7°C
Coldest m°
1,7°C
Elevation: 83 m on average (min 51 m, max 164 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,5°C
Annual rain
824mm
Warmest month
29,7°C
Coldest month
1,7°C
Mean alt.
83m
Min
51m
Max
164m
Std. dev.
32m
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
7,1
Org. C
38,8g/kg
Clay
30,2%
Sand
29,2%
Silt
40,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Drôme
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,1
Org. C
68,5g/kg
Clay
28,8%
Sand
30,0%
Silt
41,2%
5–15 cm
pH H₂O
7,1
Org. C
28,1g/kg
Clay
29,6%
Sand
28,7%
Silt
41,7%
15–30 cm
pH H₂O
7,1
Org. C
20,0g/kg
Clay
32,3%
Sand
28,8%
Silt
38,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest17.4%
Crops34.5%
Built-up2.4%
Bare soil3.2%
Other (grassland, water…)42.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
13,4km
Basins crossed
2
Max stream order
7
Max drainage
74 988km²
Discharge in basins
25,8m³/s
Mean precip.
847mm/an
Mean T°
11,3°C
Moisture idx
-0,09
Max snow
5%
Mean runoff
370mm/an
Mean elev. (basins)
401m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,9nW
Built-up
235,5%
Pesticides
40,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN IV · 4IUCN Not Reported · 1
Donzère-Mondragon
IUCN IVNational Hunting and Wildlife Reserve · 2021
15 km²
Le Robinet, Les Roches, Malemouche, Les Oliviers
IUCN IVBiotope Protection Order · 2007
3 km²
L\'île aux oiseaux et Iône de Touchelaze
IUCN IVBiotope Protection Order · 2023
1 km²
L\'île aux oiseaux et Iône de Touchelaze
IUCN IVNatural habitats protection Order · 2023
1 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.