HydroBASINS lev08 watershed · #2080612660
Bassin de Río Bajoz
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 : Valladolid, Zamora
Sub-basin area
1 340,1km²
Upstream area
40 550,9km²
Discharge
127,1m³/s
Mean elev.
773m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Trabancos747 km²
- Bassin de Río Duero204 km²
2 dept-equivalent regions (GADM L2)
- 1127.9 km²84.0% of basin
- 214.2 km²16.0% of basin
7 intersecting protected areas
Riberas de Castronuño
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
61.06 km² overlap
Riberas de Castronuño
IUCN Not ReportedSpecial Protection Area (Birds Directive)
61.06 km² overlap
Nature Reserve
60.85 km² overlap
Tierra de Campiñas
IUCN Not ReportedSpecial Protection Area (Birds Directive)
59.03 km² overlap
Montes Torozos y Páramos de Torquemada-Astudillo
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
47.95 km² overlap
Llanuras del Guareña
IUCN Not ReportedSpecial Protection Area (Birds Directive)
7.42 km² overlap
Riberas del Río Duero y afluentes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.17 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 112 distinct species · 81 552 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Río Bajoz : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 8 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°
11,9°C
Annual rain
399mm
Moisture idx (CMI)
-0,63
Runoff
35mm/an
PET
1 079mm
AET
342mm
Mean slope
1,5°
Water table
366cm
Forest
2%
Crops
74%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)