HydroBASINS lev08 watershed · #7080786790
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 5 administrative regions across 2 countries : Anáhuac, Guerrero, Nuevo Laredo, Webb, Zapata
Sub-basin area
796,2km²
Upstream area
364 041,3km²
Discharge
176,83m³/s
Mean elev.
145m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Chacon Creek395 km²
- Bassin de Río Bravo / Rio Grande349 km²
5 dept-equivalent regions (GADM L2)
- 476.7 km²60.0% of basin
- 216.6 km²27.3% of basin
- 89.6 km²11.3% of basin
- 11.4 km²1.4% of basin
- 0.4 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 220 distinct species · 79 679 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 : 27 espèces reliées par 67 interactions GloBI sur 4 types (connectance 9.5%, 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°
23,4°C
Annual rain
457mm
Moisture idx (CMI)
-0,73
Runoff
16mm/an
PET
1 714mm
AET
385mm
Mean slope
0,7°
Water table
171cm
Forest
0%
Crops
10%
Urban
14%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)