HydroBASINS lev08 watershed · #7080768960
Bassin de Río Bravo / Rio Grande
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 across 2 countries : Brewster, Ocampo
Sub-basin area
475km²
Upstream area
195 260,5km²
Discharge
126,92m³/s
Mean elev.
949m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Piedritas741 km²
- Bassin de Río Bravo / Rio Grande166 km²
2 dept-equivalent regions (GADM L2)
- 289.3 km²61.0% of basin
- 185.1 km²39.0% of basin
6 intersecting protected areas
Big Bend
IUCN IINational Park
288.58 km² overlap
Big Bend Proposed or Recom
IUCN IbRecommended Wilderness
215.34 km² overlap
Ocampo
IUCN VIFlora and Fauna Protection Area
184.15 km² overlap
Sierra San Vicente
IUCN VIVoluntary Conservation Area
107.90 km² overlap
Río Bravo del Norte
IUCN VINatural Monument
1.49 km² overlap
Big Bend
IUCN IbRecommended
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 272 distinct species · 251 222 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Bravo / Rio Grande : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 4 types (connectance 13.4%, filtre Serrano α=0.2). 11 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°
20,0°C
Annual rain
291mm
Moisture idx (CMI)
-0,82
Runoff
24mm/an
PET
1 662mm
AET
245mm
Mean slope
8,4°
Water table
749cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)