HydroBASINS lev08 watershed · #2080016750
Bassin de l'Aude
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 : Aude, Hérault
Sub-basin area
346km²
Upstream area
5 259,6km²
Discharge
96,63m³/s
Mean elev.
40m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de la Cesse279 km²
- Bassin de l'Aude22 km²
2 dept-equivalent regions (GADM L2)
- 188.0 km²54.2% of basin
- 158.6 km²45.8% of basin
31 communes (GADM L5)Available for FRA, RWA
- Capestang36.14 km²89% commune
- Vendres30.01 km²80% commune
- Ouveillan29.86 km²100% commune
- Nissan-lez-Enserune29.31 km²97% commune
- Fleury26.91 km²53% commune
- Cruzy23.88 km²92% commune
- Coursan23.10 km²95% commune
- Cuxac-d'Aude22.46 km²100% commune
- Lespignan21.73 km²95% commune
- Quarante20.90 km²69% commune
- Salles-d'Aude17.57 km²96% commune
- Argeliers10.50 km²98% commune
- Moussan10.15 km²69% commune
- Montels7.22 km²100% commune
- Narbonne6.74 km²4% commune
- Sallèles-d'Aude6.28 km²51% commune
- Montouliers6.23 km²85% commune
- Poilhes5.82 km²99% commune
- Villespassans5.15 km²37% commune
- Vinassan3.52 km²41% commune
- Béziers0.92 km²1% commune
- Bize-Minervois0.63 km²3% commune
- Armissan0.47 km²4% commune
- Saint-Marcel-sur-Aude0.36 km²4% commune
- Maureilhan0.29 km²3% commune
- Sauvian0.25 km²2% commune
- Montady0.13 km²1% commune
- Puisserguier0.07 km²0% commune
- Mirepeisset0.05 km²1% commune
- Ginestas0.01 km²0% commune
- Colombiers0.00 km²0% commune
16 intersecting protected areas
Basse plaine de l'Aude
IUCN Not ReportedSpecial Protection Area (Birds Directive)
38.42 km² overlap
Basse plaine de l'Aude
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
36.59 km² overlap
Regional Nature Park
30.86 km² overlap
Minervois
IUCN Not ReportedSpecial Protection Area (Birds Directive)
30.74 km² overlap
Collines d'Ensérune (ancien nom : Collines du Narbonnais)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
22.50 km² overlap
Étang de Capestang
IUCN Not ReportedSpecial Protection Area (Birds Directive)
13.69 km² overlap
Montagne de la Clape
IUCN Not ReportedSpecial Protection Area (Birds Directive)
13.52 km² overlap
Massif de la Clape
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12.84 km² overlap
Basse plaine de l\'aude
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
9.28 km² overlap
7 more protected areassorted by overlap area
Cours inférieur de l'Aude
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.71 km² overlap
collines d\'enserune
IUCN IVLand acquired by a regional conservatory of natural areas
0.23 km² overlap
Land acquired by a regional conservatory of natural areas
0.18 km² overlap
basse plaine de l\'aude
IUCN IVLand acquired by a regional conservatory of natural areas
0.17 km² overlap
Mare du plateau de Vendres
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.09 km² overlap
Les Causses du Minervois
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.03 km² overlap
mares de vendres
IUCN IVLand acquired by a regional conservatory of natural areas
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 853 distinct species · 209 786 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 de l'Aude : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 5 bulles famille, 41 interactions GloBI documentées sur 3 types (connectance 10.1%, filtre Serrano α=0.2). Les 5 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
14,6°C
Annual rain
645mm
Moisture idx (CMI)
-0,37
Runoff
505mm/an
PET
1 018mm
AET
546mm
Mean slope
1,9°
Water table
133cm
Forest
3%
Crops
64%
Urban
1%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)