HydroBASINS lev08 watershed · #2080698380
Bassin de Siete Arroyos
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 : Sevilla
Sub-basin area
467,5km²
Upstream area
46 921,6km²
Discharge
134,43m³/s
Mean elev.
104m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Viar1812 km²
- Bassin de Rivera del Huéznar997 km²
2 intersecting protected areas
Bajo Guadalquivir
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.28 km² overlap
Bajo Guadalquivir
IUCN IVNatura 2000
2.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 160 distinct species · 23 910 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Siete Arroyos : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 4 types (connectance 7.9%, filtre Serrano α=0.2). 10 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°
18,0°C
Annual rain
585mm
Moisture idx (CMI)
-0,57
Runoff
149mm/an
PET
1 363mm
AET
493mm
Mean slope
1,7°
Water table
322cm
Forest
12%
Crops
62%
Urban
10%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)