HydroBASINS lev08 watershed · #7080863580
Bassin de Río Atoyac
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 : Ayoquezco de Aldama, Heroica Ciudad de Ejutla de Cres, La Compañía, La Pe, Ocotlán de Morelos +10
Sub-basin area
454,3km²
Upstream area
4 027,9km²
Discharge
23,34m³/s
Mean elev.
1 878m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #7080862430278 km²
- Bassin de Río Atoyac59 km²
15 dept-equivalent regions (GADM L2)
- 104.4 km²23.1% of basin
- 71.9 km²15.9% of basin
- 61.1 km²13.5% of basin
- 44.0 km²9.7% of basin
- 43.9 km²9.7% of basin
- 22.4 km²4.9% of basin
- 21.5 km²4.8% of basin
- 19.6 km²4.3% of basin
7 moreFull L2 list
- Santa Ana Tlapacoyan17.6 km² · 3.9%
- Ocotlán de Morelos11.5 km² · 2.5%
- San Agustín Amatengo11.3 km² · 2.5%
- San Martín Lachilá10.7 km² · 2.4%
- San Andrés Zabache7.1 km² · 1.6%
- La Pe5.4 km² · 1.2%
- Santa María Lachixío0.3 km² · 0.1%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
637 distinct species · 1 596 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 Atoyac : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 5 types (connectance 7.9%, 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°
18,6°C
Annual rain
886mm
Moisture idx (CMI)
-0,46
Runoff
297mm/an
PET
1 674mm
AET
742mm
Mean slope
13,0°
Water table
594cm
Forest
71%
Crops
37%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)