HydroBASINS lev08 watershed · #2080550030
Bassin du Doux
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Ardèche, Haute-Loire
Sub-basin area
624,7km²
Upstream area
624,9km²
Discharge
7,76m³/s
Mean elev.
663m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 621.2 km²99.2% of basin
- 4.9 km²0.8% of basin
49 communes (GADM L5)Available for FRA, RWA
- Désaignes51.42 km²100% commune
- Rochepaule33.21 km²100% commune
- Saint-Victor26.66 km²82% commune
- Lamastre25.66 km²100% commune
- Nozières22.27 km²100% commune
- Saint-Agrève21.88 km²45% commune
- Saint-Félicien21.64 km²100% commune
- Gilhoc-sur-Ormèze21.39 km²100% commune
- Boffres20.43 km²65% commune
- Saint-Pierre-sur-Doux19.92 km²93% commune
- Saint-Barthélemy-Grozon19.47 km²99% commune
- Pailharès19.44 km²99% commune
- Saint-Barthélemy-le-Plain19.25 km²100% commune
- Empurany18.84 km²100% commune
- Saint-Basile17.69 km²97% commune
- Colombier-le-Vieux15.76 km²100% commune
- Colombier-le-Jeune15.25 km²100% commune
- Saint-Sylvestre15.10 km²100% commune
- Saint-Prix14.89 km²98% commune
- Étables14.54 km²92% commune
- Saint-Jeure-d'Andaure13.50 km²100% commune
- Devesset13.29 km²44% commune
- Champis13.15 km²81% commune
- Arlebosc12.48 km²100% commune
- Bozas12.34 km²100% commune
- Saint-André-en-Vivarais12.33 km²60% commune
- Vaudevant12.05 km²94% commune
- Alboussière11.86 km²64% commune
- Lafarre11.07 km²99% commune
- Le Crestet10.27 km²100% commune
- Labatie-d'Andaure9.98 km²100% commune
- Plats9.85 km²59% commune
- Boucieu-le-Roi8.55 km²100% commune
- Tournon-sur-Rhône8.38 km²39% commune
- Lalouvesc7.91 km²73% commune
- Saint-Jean-de-Muzols7.41 km²68% commune
- Saint-Romain-de-Lerps5.98 km²42% commune
- Saint-Bonnet-le-Froid4.89 km²36% commune
- Lemps2.83 km²24% commune
- Vernoux-en-Vivarais0.98 km²3% commune
- Nonières0.72 km²7% commune
- Saint-Apollinaire-de-Rias0.60 km²7% commune
- Préaux0.31 km²1% commune
- Saint-Julien-Labrousse0.20 km²1% commune
- Saint-Julien-Vocance0.19 km²1% commune
- Satillieu0.12 km²0% commune
- Saint-Jean-Roure0.06 km²0% commune
- Saint-Péray0.04 km²0% commune
- Châteauneuf-de-Vernoux0.01 km²0% commune
4 intersecting protected areas
Monts D\'Ardèche
IUCN VRegional Nature Park
166.13 km² overlap
Tourbières du plateau de Saint-Agrève
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.85 km² overlap
Affluents rive droite du Rhône
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.09 km² overlap
Land acquired by a regional conservatory of natural areas
0.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 565 distinct species · 224 742 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin du Doux : 22 espèces reliées par 138 interactions GloBI sur 6 types (connectance 18.6%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
9,5°C
Annual rain
863mm
Moisture idx (CMI)
0,00
Runoff
392mm/an
PET
860mm
AET
665mm
Mean slope
11,9°
Water table
487cm
Forest
75%
Crops
10%
Urban
1%
Protected
11%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)