HydroBASINS lev08 watershed · #7080857900
Bassin de Río Grijalva
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 : Francisco León, Huimanguillo, Las Choapas, Ostuacán, Tecpatán
Sub-basin area
337,2km²
Upstream area
35 209,9km²
Discharge
447,52m³/s
Mean elev.
267m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo Colorado261 km²
- Bassin de Río Grijalva202 km²
5 dept-equivalent regions (GADM L2)
- 143.2 km²42.6% of basin
- 129.0 km²38.4% of basin
- 34.4 km²10.2% of basin
- 28.6 km²8.5% of basin
- Las ChoapasVeracruz · México1.0 km²0.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
804 distinct species · 4 560 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Grijalva : 24 espèces reliées par 29 interactions GloBI sur 2 types (connectance 6.2%, filtre Serrano α=0.2). 7 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°
24,7°C
Annual rain
3 060mm
Moisture idx (CMI)
0,45
Runoff
585mm/an
PET
1 677mm
AET
1 538mm
Mean slope
10,5°
Water table
405cm
Forest
65%
Crops
91%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)