HydroBASINS lev08 watershed · #7080864210
Bassin de Río Miahuatlán
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 15 administrative regions : Coatecas Altas, Heroica Ciudad de Ejutla de Cres, Miahuatlán de Porfirio Díaz, Monjas, San Andrés Paxtlán +10
Sub-basin area
615km²
Upstream area
615km²
Discharge
5,32m³/s
Mean elev.
1 744m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
15 dept-equivalent regions (GADM L2)
- 215.2 km²35.1% of basin
- 64.7 km²10.6% of basin
- 52.1 km²8.5% of basin
- 50.8 km²8.3% of basin
- 50.2 km²8.2% of basin
- 45.5 km²7.4% of basin
- 29.6 km²4.8% of basin
- 25.6 km²4.2% of basin
7 moreFull L2 list
- Santa Lucía Miahuatlán23.0 km² · 3.8%
- Monjas22.4 km² · 3.7%
- Coatecas Altas12.4 km² · 2.0%
- Heroica Ciudad de Ejutla de Cres10.2 km² · 1.7%
- San Andrés Paxtlán9.0 km² · 1.5%
- San Miguel Coatlán1.7 km² · 0.3%
- San Vicente Coatlán0.5 km² · 0.1%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 641 distinct species · 9 183 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 51 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 Miahuatlán : 36 espèces reliées par 116 interactions GloBI sur 5 types (connectance 9.1%, filtre Serrano α=0.2). 15 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°
18,9°C
Annual rain
801mm
Moisture idx (CMI)
-0,50
Runoff
273mm/an
PET
1 643mm
AET
633mm
Mean slope
9,1°
Water table
459cm
Forest
17%
Crops
30%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)