HydroBASINS lev08 watershed · #2080590090
Bassin de Río Oca
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 : Burgos
Sub-basin area
1 089km²
Upstream area
1 089km²
Discharge
15,1m³/s
Mean elev.
846m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 1090.8 km²100.0% of basin
6 intersecting protected areas
Montes Obarenes
IUCN Not ReportedSpecial Protection Area (Birds Directive)
94.92 km² overlap
Montes Obarenes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
94.92 km² overlap
Sierra de la Tesla-Valdivielso
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
70.67 km² overlap
Natural Park
56.00 km² overlap
Sierra de la Tesla-Valdivielso - ZEPA
IUCN Not ReportedSpecial Protection Area (Birds Directive)
44.10 km² overlap
Riberas del Río Oca y afluentes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.67 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 010 distinct species · 49 574 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Oca : 16 espèces reliées par 89 interactions GloBI sur 5 types (connectance 19.1%, filtre Serrano α=0.2). 15 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°
10,4°C
Annual rain
703mm
Moisture idx (CMI)
-0,21
Runoff
437mm/an
PET
889mm
AET
586mm
Mean slope
6,0°
Water table
238cm
Forest
38%
Crops
44%
Urban
0%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)