HydroBASINS lev08 watershed · #7080853250
Bassin de Río 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 10 administrative regions : Chiquihuitlán de Benito Juárez, San Andrés Teotilálpam, San Bartolomé Ayautla, San Felipe Jalapa de Díaz, San Felipe Usila +5
Sub-basin area
459,2km²
Upstream area
12 255,9km²
Discharge
207,35m³/s
Mean elev.
590m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Grande422 km²
- Bassin de Río Grande253 km²
10 dept-equivalent regions (GADM L2)
- 124.0 km²27.1% of basin
- 119.6 km²26.1% of basin
- 81.8 km²17.9% of basin
- 59.5 km²13.0% of basin
- 40.7 km²8.9% of basin
- 17.6 km²3.9% of basin
- 7.4 km²1.6% of basin
- 4.0 km²0.9% of basin
2 moreFull L2 list
- San Pedro Ixcatlán2.6 km² · 0.6%
- Chiquihuitlán de Benito Juárez0.6 km² · 0.1%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 345 distinct species · 7 089 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 21 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 Grande : 18 espèces reliées par 24 interactions GloBI sur 5 types (connectance 11.4%, filtre Serrano α=0.2). 3 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°
22,9°C
Annual rain
3 462mm
Moisture idx (CMI)
0,54
Runoff
1 324mm/an
PET
1 560mm
AET
1 370mm
Mean slope
14,1°
Water table
451cm
Forest
41%
Crops
35%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)