HydroBASINS lev08 watershed · #2080582900
Bassin de la Cesse
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 3 administrative regions : Aude, Hérault, Tarn
Sub-basin area
279,4km²
Upstream area
279,4km²
Discharge
4,91m³/s
Mean elev.
365m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 232.8 km²83.2% of basin
- 45.8 km²16.4% of basin
- 1.3 km²0.5% of basin
34 communes (GADM L5)Available for FRA, RWA
- Saint-Jean-de-Minervois32.66 km²100% commune
- Minerve26.40 km²95% commune
- Rieussec21.83 km²95% commune
- La Caunette21.51 km²100% commune
- Bize-Minervois20.34 km²96% commune
- Ferrals-les-Montagnes19.89 km²79% commune
- Boisset17.57 km²99% commune
- Pardailhan17.17 km²41% commune
- Cassagnoles14.89 km²61% commune
- Agel11.98 km²100% commune
- Aigues-Vives11.04 km²86% commune
- Vélieux10.39 km²100% commune
- La Livinière8.85 km²28% commune
- Sallèles-d'Aude6.11 km²49% commune
- Ginestas5.91 km²62% commune
- Assignan5.24 km²63% commune
- Mirepeisset5.23 km²99% commune
- Villespassans4.91 km²35% commune
- Saint-Marcel-sur-Aude4.40 km²52% commune
- Cesseras2.91 km²19% commune
- Sainte-Valière2.84 km²42% commune
- Siran1.67 km²8% commune
- Lacabarède1.32 km²9% commune
- Aigne1.08 km²10% commune
- Montouliers1.06 km²15% commune
- Verreries-de-Moussans0.66 km²4% commune
- Azillanet0.60 km²4% commune
- Cruzy0.41 km²2% commune
- Mailhac0.39 km²4% commune
- Saint-Nazaire-d'Aude0.31 km²4% commune
- Argeliers0.27 km²2% commune
- Riols0.03 km²0% commune
- Pouzols-Minervois0.02 km²0% commune
- Ventenac-en-Minervois0.01 km²0% commune
4 intersecting protected areas
Haut-Languedoc
IUCN VRegional Nature Park
209.52 km² overlap
Les Causses du Minervois
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
162.93 km² overlap
Minervois
IUCN Not ReportedSpecial Protection Area (Birds Directive)
142.58 km² overlap
Saint Jean De Minervois
IUCN IVBiotope Protection Order
0.87 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 024 distinct species · 62 088 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 la Cesse : 28 espèces + 7 bulles famille, 58 interactions GloBI documentées sur 5 types (connectance 9.7%, filtre Serrano α=0.2). Les 7 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°
12,8°C
Annual rain
740mm
Moisture idx (CMI)
-0,23
Runoff
536mm/an
PET
962mm
AET
616mm
Mean slope
9,1°
Water table
354cm
Forest
59%
Crops
21%
Urban
0%
Protected
74%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)