HydroBASINS lev08 watershed · #7080795570
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 : Hidalgo, Reynosa
Sub-basin area
29,1km²
Upstream area
471 739,8km²
Discharge
257,93m³/s
Mean elev.
40m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Bravo / Rio Grande913 km²
- Bassin · #7080795500796 km²
2 dept-equivalent regions (GADM L2)
- 22.8 km²78.6% of basin
- Hidalgo5.7 km²19.7% of basin
2 intersecting protected areas
Marine Protected Area
4.93 km² overlap
Lower Rio Grande Valley
IUCN IVNational Wildlife Refuge
4.93 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
350 distinct species · 3 915 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 : 26 espèces reliées par 67 interactions GloBI sur 4 types (connectance 11.3%, filtre Serrano α=0.2). 9 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
571mm
Moisture idx (CMI)
-0,66
Runoff
22mm/an
PET
1 663mm
AET
482mm
Mean slope
0,1°
Water table
13cm
Forest
3%
Crops
59%
Urban
0%
Protected
19%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)