HydroBASINS lev08 watershed · #7080853720
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 4 administrative regions : Agua Dulce, Huimanguillo, Las Choapas, Moloacán
Sub-basin area
580,6km²
Upstream area
2 769,9km²
Discharge
87,53m³/s
Mean elev.
24m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #70808552601189 km²
- Bassin · #70808552501000 km²
4 dept-equivalent regions (GADM L2)
- Las ChoapasVeracruz · México346.6 km²59.9% of basin
- 152.3 km²26.3% of basin
- Agua DulceVeracruz · México66.9 km²11.6% of basin
- 13.0 km²2.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
787 distinct species · 3 083 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 : 26 espèces reliées par 71 interactions GloBI sur 5 types (connectance 8.2%, filtre Serrano α=0.2). 16 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°
25,7°C
Annual rain
2 502mm
Moisture idx (CMI)
0,35
Runoff
1 396mm/an
PET
1 618mm
AET
1 380mm
Mean slope
0,8°
Water table
36cm
Forest
24%
Crops
40%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)