HydroBASINS lev08 watershed · #2080571210
Bassin de la Vaïre
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 : Alpes-Maritimes, Alpes-de-Haute-Provence
Sub-basin area
242,6km²
Upstream area
242,7km²
Discharge
3,85m³/s
Mean elev.
1 382m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 242.9 km²99.9% of basin
- 0.2 km²0.1% of basin
17 communes (GADM L5)Available for FRA, RWA
- Ubraye33.67 km²94% commune
- Méailles32.38 km²100% commune
- Castellet-lès-Sausses31.94 km²57% commune
- Annot30.32 km²99% commune
- Thorame-Haute29.90 km²27% commune
- Le Fugeret27.82 km²100% commune
- Saint-Benoît17.97 km²88% commune
- Vergons17.38 km²38% commune
- Braux10.91 km²98% commune
- Entrevaux6.53 km²11% commune
- Allons1.45 km²3% commune
- Val-de-Chalvagne1.39 km²4% commune
- Soleilhas0.58 km²2% commune
- Colmars0.57 km²1% commune
- Daluis0.13 km²0% commune
- Villeneuve-d'Entraunes0.10 km²0% commune
- Sausses0.08 km²1% commune
7 intersecting protected areas
Grand Coyer
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
31.84 km² overlap
Protected perimeter around a national nature reserve
17.49 km² overlap
Verdon
IUCN VRegional Nature Park
1.74 km² overlap
Le Coulomp Et Ses Affluents
IUCN IVBiotope Protection Order
0.92 km² overlap
National Park - Buffer zone/Area of adhesion
0.85 km² overlap
Sites à chauves souris - Castellet-Les-Sausses et Gorges de Daluis
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.64 km² overlap
Entraunes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.17 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 058 distinct species · 188 355 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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 Vaïre : 14 espèces reliées par 46 interactions GloBI sur 5 types (connectance 24.2%, filtre Serrano α=0.2). 6 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°
7,3°C
Annual rain
976mm
Moisture idx (CMI)
0,24
Runoff
500mm/an
PET
720mm
AET
599mm
Mean slope
21,1°
Water table
694cm
Forest
73%
Crops
6%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)