HydroBASINS lev08 watershed · #2080685310
Bassin de Rio Sado
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 : Ferreira do Alentejo, Santiago do Cacém
Sub-basin area
15,5km²
Upstream area
2 127,3km²
Discharge
14,42m³/s
Mean elev.
66m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Sado1429 km²
- Bassin de Ribeira do Roxo683 km²
2 dept-equivalent regions (GADM L2)
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
269 distinct species · 2 220 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Rio Sado : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 4 types (connectance 16.3%, filtre Serrano α=0.2). 12 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°
16,9°C
Annual rain
555mm
Moisture idx (CMI)
-0,52
Runoff
223mm/an
PET
1 162mm
AET
469mm
Mean slope
1,5°
Water table
150cm
Forest
14%
Crops
55%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)