HydroBASINS lev08 watershed · #2080563280
Bassin de Stura di Demonte
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 across 2 countries : Alpes-Maritimes, Alpes-de-Haute-Provence, Cuneo
Sub-basin area
614km²
Upstream area
614km²
Discharge
16,24m³/s
Mean elev.
1 719m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 595.1 km²96.7% of basin
- 13.0 km²2.1% of basin
- 7.2 km²1.2% of basin
3 communes (GADM L5)Available for FRA, RWA
- Saint-Étienne-de-Tinée11.91 km²6% commune
- Larche7.20 km²8% commune
- Isola1.13 km²1% commune
16 intersecting protected areas
Alte Valli Stura e Maira
IUCN Not ReportedSpecial Protection Area (Birds Directive)
277.27 km² overlap
Gruppo del Tenibres
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
53.91 km² overlap
Colle e Lago della Maddalena, Val Puriac
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
17.23 km² overlap
Alpi Marittime
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
15.26 km² overlap
Alpi Marittime
IUCN Not ReportedSpecial Protection Area (Birds Directive)
15.26 km² overlap
Regional/Provincial Nature Park
15.17 km² overlap
Stura di Demonte
IUCN Not ReportedSpecial Protection Area (Birds Directive)
11.74 km² overlap
Stura di Demonte
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
11.74 km² overlap
Vallone dell'Arma
IUCN Not ReportedSite of Community Importance (Habitats Directive)
7.97 km² overlap
7 more protected areassorted by overlap area
Vallone di Orgials - Colle della Lombarda
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.06 km² overlap
Other Protected Natural Regional Areas
1.59 km² overlap
La Tour des Sagnes - Vallon des Terres Pleines - Orrenaye
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.32 km² overlap
National Park - Buffer zone/Area of adhesion
1.32 km² overlap
Le Mercantour
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.17 km² overlap
Mercantour
IUCN IINational Park - Core Area
1.13 km² overlap
Le Mercantour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 989 distinct species · 146 087 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Stura di Demonte : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 6 types (connectance 18.6%, filtre Serrano α=0.2). 8 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°
5,5°C
Annual rain
1 107mm
Moisture idx (CMI)
0,39
Runoff
659mm/an
PET
628mm
AET
562mm
Mean slope
24,1°
Water table
918cm
Forest
57%
Crops
6%
Urban
3%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)