HydroBASINS lev08 watershed · #2080623890
Bassin de Riu Ebre
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 1 administrative regions : Tarragona
Sub-basin area
502,7km²
Upstream area
83 530,6km²
Discharge
426,58m³/s
Mean elev.
252m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riu Ebre729 km²
- Bassin de Riu de Siurana608 km²
23 intersecting protected areas
Sistema Prelitoral meridional
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
69.34 km² overlap
Sistema Prelitoral meridional
IUCN Not ReportedSpecial Protection Area (Birds Directive)
69.34 km² overlap
Serres de Cardó-el Boix
IUCN VProtection Plan
62.17 km² overlap
Serres de Cardó-El Boix
IUCN Not ReportedSpecial Protection Area (Birds Directive)
62.17 km² overlap
Serres de Cardó-El Boix
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
62.17 km² overlap
Protection Plan
53.26 km² overlap
Tivissa-Vandellòs-Llaberia
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
36.86 km² overlap
Tivissa-Vandellòs-Llaberia
IUCN Not ReportedSpecial Protection Area (Birds Directive)
36.86 km² overlap
Protection Plan
33.60 km² overlap
14 more protected areassorted by overlap area
Aligars-Serra Fulletera
IUCN VProtection Plan
15.95 km² overlap
Serra de Llaberia
IUCN VProtection Plan
3.26 km² overlap
Tossal de Montagut
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.94 km² overlap
Tossal de Montagut
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.94 km² overlap
Tossal de Montagut
IUCN VProtection Plan
1.94 km² overlap
Serra de Montsant-Pas de l'Ase
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.70 km² overlap
Serra de Montsant-Pas de l'Ase
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.70 km² overlap
Pas de l`Ase
IUCN VProtection Plan
1.70 km² overlap
Protection Plan
1.27 km² overlap
Riberes i Illes de l'Ebre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.15 km² overlap
Les Illes de l`Ebre
IUCN IVNature Reserve (Wildlife)
0.43 km² overlap
Riu Siurana i planes del Priorat
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.06 km² overlap
Riu Siurana i planes del Priorat
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.06 km² overlap
Protection Plan
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 015 distinct species · 40 607 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Ebre : 30 espèces reliées par 94 interactions GloBI sur 4 types (connectance 10.9%, 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°
15,3°C
Annual rain
537mm
Moisture idx (CMI)
-0,49
Runoff
47mm/an
PET
1 053mm
AET
458mm
Mean slope
7,5°
Water table
479cm
Forest
13%
Crops
51%
Urban
2%
Protected
34%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)