HydroBASINS lev08 watershed · #2080561660
Bassin du Lot
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 1 administrative regions : Lozère
Sub-basin area
622,5km²
Upstream area
622,7km²
Discharge
10,92m³/s
Mean elev.
1 050m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
42 communes (GADM L5)Available for FRA, RWA
- Chanac59.03 km²82% commune
- Saint-Étienne-du-Valdonnez52.33 km²93% commune
- Mende37.76 km²100% commune
- Saint-Julien-du-Tournel37.69 km²100% commune
- Mas-d'Orcières33.91 km²92% commune
- Lanuéjols33.51 km²100% commune
- Allenc33.37 km²87% commune
- Balsièges32.97 km²100% commune
- Barjac29.74 km²98% commune
- Pelouse29.48 km²90% commune
- Saint-Bauzile28.83 km²100% commune
- Le Born26.88 km²87% commune
- Chastel-Nouvel26.68 km²86% commune
- Badaroux20.70 km²100% commune
- Le Bleymard16.04 km²95% commune
- Sainte-Enimie14.77 km²17% commune
- Chadenet13.21 km²100% commune
- Esclanèdes12.48 km²100% commune
- Brenoux11.40 km²100% commune
- Les Salelles9.95 km²96% commune
- Ispagnac9.73 km²18% commune
- Laubert9.13 km²63% commune
- Cubières7.43 km²15% commune
- Sainte-Hélène6.49 km²100% commune
- Saint-Bonnet-de-Chirac6.10 km²83% commune
- Gabrias3.77 km²18% commune
- Cultures3.64 km²100% commune
- Les Bondons3.61 km²8% commune
- Servières3.17 km²16% commune
- Rieutort-de-Randon2.69 km²4% commune
- Bagnols-les-Bains1.99 km²100% commune
- Laval-du-Tarn1.62 km²4% commune
- Grèzes1.58 km²10% commune
- Palhers1.32 km²15% commune
- Chasseradès0.22 km²0% commune
- Fraissinet-de-Lozère0.20 km²1% commune
- Belvezet0.16 km²1% commune
- La Canourgue0.13 km²0% commune
- Arzenc-de-Randon0.13 km²0% commune
- Le Pont-de-Montvert0.04 km²0% commune
- Montbel0.00 km²0% commune
- Le Monastier-Pin-Moriès0.00 km²0% commune
10 intersecting protected areas
National Park - Buffer zone/Area of adhesion
184.86 km² overlap
Les Cévennes
IUCN Not ReportedSpecial Protection Area (Birds Directive)
77.41 km² overlap
Cévennes
IUCN IINational Park - Core Area
76.53 km² overlap
Valdonnez
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
49.72 km² overlap
Mont Lozère
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
44.14 km² overlap
Gorges du Tarn et de la Jonte
IUCN Not ReportedSpecial Protection Area (Birds Directive)
25.24 km² overlap
Falaises de Barjac et causse des Blanquets
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
15.47 km² overlap
Plateau de Charpal
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
8.13 km² overlap
Combe des Cades
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.07 km² overlap
1 more protected areassorted by overlap area
Aubrac
IUCN VRegional Nature Park
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 802 distinct species · 180 823 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Lot : 26 espèces + 5 bulles famille, 65 interactions GloBI documentées sur 4 types (connectance 14.0%, 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°
8,1°C
Annual rain
814mm
Moisture idx (CMI)
0,00
Runoff
546mm/an
PET
813mm
AET
634mm
Mean slope
9,5°
Water table
416cm
Forest
80%
Crops
12%
Urban
2%
Protected
49%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)