HydroBASINS lev08 watershed · #2080047980
Bassin de Riu Piredda
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 : Nuoro, Olbia-Tempio
Sub-basin area
265,6km²
Upstream area
265,9km²
Discharge
2,28m³/s
Mean elev.
123m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 157.9 km²59.4% of basin
- 75.1 km²28.2% of basin
7 intersecting protected areas
Isole del Nord - Est tra Capo Ceraso e Stagno di San Teodoro
IUCN Not ReportedSpecial Protection Area (Birds Directive)
38.49 km² overlap
Isole Tavolara, Molara e Molarotto
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
29.01 km² overlap
Natural Marine Reserve and Natural Protected Marine Areas
20.31 km² overlap
Stagno di San Teodoro
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.74 km² overlap
Da Tavolara a Capo Comino
IUCN Not ReportedSpecial Protection Area (Birds Directive)
5.03 km² overlap
Da Tavolara a Capo Comino
IUCN Not ReportedSite of Community Importance (Habitats Directive)
5.03 km² overlap
Posada River Mouth
IUCN IIWetland of International Importance (Ramsar Site)
0.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
849 distinct species · 3 894 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Riu Piredda : 29 espèces reliées par 94 interactions GloBI sur 5 types (connectance 9.5%, filtre Serrano α=0.2). 16 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°
15,7°C
Annual rain
543mm
Moisture idx (CMI)
-0,41
Runoff
274mm/an
PET
931mm
AET
460mm
Mean slope
8,6°
Water table
480cm
Forest
2%
Crops
0%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)