HydroBASINS lev08 watershed · #2080048190
Bassin du Rizzanese
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 : Corse-du-Sud, Haute-Corse
Sub-basin area
392,2km²
Upstream area
392,3km²
Discharge
5,55m³/s
Mean elev.
720m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 392.7 km²100.0% of basin
- 0.0 km²0.0% of basin
31 communes (GADM L5)Available for FRA, RWA
- Quenza62.31 km²65% commune
- Zonza42.22 km²31% commune
- Aullène40.36 km²99% commune
- Levie34.14 km²40% commune
- Sartène29.54 km²15% commune
- Sainte-Lucie-de-Tallano25.51 km²98% commune
- Serra-di-Scopamène20.30 km²100% commune
- Carbini16.10 km²98% commune
- San-Gavino-di-Carbini14.34 km²30% commune
- Zérubia11.44 km²85% commune
- Olmiccia10.74 km²100% commune
- Viggianello10.61 km²62% commune
- Arbellara10.08 km²93% commune
- Propriano9.44 km²49% commune
- Sorbollano8.09 km²100% commune
- Cargiaca7.97 km²100% commune
- Loreto-di-Tallano7.31 km²100% commune
- Altagène4.86 km²100% commune
- Zoza4.79 km²100% commune
- Mela4.71 km²100% commune
- Fozzano4.06 km²21% commune
- Granace3.86 km²100% commune
- Bilia2.67 km²38% commune
- Foce2.54 km²13% commune
- Zicavo2.17 km²2% commune
- Santa-Maria-Figaniella1.07 km²8% commune
- Olivese0.77 km²3% commune
- Porto-Vecchio0.54 km²0% commune
- Moca-Croce0.17 km²1% commune
- Solaro0.02 km²0% commune
- Argiusta-Moriccio0.01 km²0% commune
11 intersecting protected areas
Corse
IUCN VRegional Nature Park
341.49 km² overlap
Plateau du Coscione et massif de l'Incudine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
45.09 km² overlap
Aiguilles de Bavella
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.14 km² overlap
Forêts Territoriales de Corse
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.94 km² overlap
Rivière de la Solenzara
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.57 km² overlap
Ruisseau de l\'Asinao
IUCN IVBiotope Protection Order
0.52 km² overlap
Forêt de l'Ospedale
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.49 km² overlap
Sites à Anchusa crispa de l'embouchure du Rizzanese et d'Olmeto
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.08 km² overlap
Embouchure Du Rizzanese
IUCN IVBiotope Protection Order
0.08 km² overlap
2 more protected areassorted by overlap area
Portigliolu
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
0.04 km² overlap
Diorite orbiculaire carbonifère de Sainte-Lucie-de-Tallano
IUCN Not ReportedGeotope Protection Order
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 571 distinct species · 45 120 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Rizzanese : 38 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 5 types (connectance 7.9%, filtre Serrano α=0.2). 11 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°
12,1°C
Annual rain
716mm
Moisture idx (CMI)
-0,01
Runoff
406mm/an
PET
723mm
AET
506mm
Mean slope
14,9°
Water table
636cm
Forest
53%
Crops
2%
Urban
0%
Protected
82%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)