HydroBASINS lev08 watershed · #7080767960
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 4 administrative regions across 2 countries : Brewster, Manuel Benavides, Ojinaga, Presidio
Sub-basin area
1 503,9km²
Upstream area
179 306km²
Discharge
111,53m³/s
Mean elev.
1 083m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo el Nogal1833 km²
- Bassin de Terneros Creek784 km²
4 dept-equivalent regions (GADM L2)
- 619.9 km²41.3% of basin
- Manuel BenavidesChihuahua · México447.2 km²29.8% of basin
- 252.6 km²16.8% of basin
- 182.2 km²12.1% of basin
5 intersecting protected areas
Cañón de Santa Elena
IUCN VIFlora and Fauna Protection Area
695.88 km² overlap
Big Bend
IUCN IINational Park
33.95 km² overlap
Big Bend Proposed or Recom
IUCN IbRecommended Wilderness
33.40 km² overlap
Río Bravo del Norte
IUCN VINatural Monument
2.37 km² overlap
Big Bend
IUCN IbRecommended
0.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 752 distinct species · 35 433 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 76 interactions GloBI sur 4 types (connectance 9.7%, 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°
19,5°C
Annual rain
305mm
Moisture idx (CMI)
-0,82
Runoff
24mm/an
PET
1 702mm
AET
256mm
Mean slope
8,7°
Water table
780cm
Forest
0%
Crops
1%
Urban
0%
Protected
49%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)