HydroBASINS lev08 watershed · #7080782750
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 : Anáhuac, Hidalgo, Nuevo Laredo, Webb
Sub-basin area
895,8km²
Upstream area
361 015,9km²
Discharge
176,75m³/s
Mean elev.
178m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Bravo / Rio Grande1177 km²
- Bassin de Arroyo Lazaderos1174 km²
4 dept-equivalent regions (GADM L2)
- 354.3 km²39.6% of basin
- 250.5 km²28.0% of basin
- 148.1 km²16.6% of basin
- 141.5 km²15.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
585 distinct species · 37 383 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 : 18 espèces reliées par 56 interactions GloBI sur 3 types (connectance 13.8%, 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°
22,7°C
Annual rain
482mm
Moisture idx (CMI)
-0,72
Runoff
19mm/an
PET
1 700mm
AET
406mm
Mean slope
0,8°
Water table
192cm
Forest
0%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)