HydroBASINS lev08 watershed · #7080050790
Bassin de Tonala
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 3 administrative regions : Agua Dulce, Cárdenas, Huimanguillo
Sub-basin area
10km²
Upstream area
5 634,3km²
Discharge
203,7m³/s
Mean elev.
12m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Tonala355 km²
- Bassin · #7080851740338 km²
3 dept-equivalent regions (GADM L2)
- Agua DulceVeracruz · México4.7 km²47.3% of basin
- 1.1 km²11.5% of basin
- 0.4 km²3.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
448 distinct species · 1 383 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Tonala : 19 espèces reliées par 49 interactions GloBI sur 4 types (connectance 9.9%, filtre Serrano α=0.2). 13 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°
25,6°C
Annual rain
2 082mm
Moisture idx (CMI)
0,25
Runoff
1 535mm/an
PET
1 566mm
AET
1 239mm
Mean slope
1,0°
Water table
43cm
Forest
75%
Crops
8%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)