HydroBASINS lev08 watershed · #7080862070
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 36 administrative regions : Ciénega de Zimatlán, Cuilápam de Guerrero, Magdalena Mixtepec, Oaxaca de Juárez, Ocotlán de Morelos +31
Sub-basin area
650,1km²
Upstream area
2 891,2km²
Discharge
23,95m³/s
Mean elev.
1 683m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Salado1165 km²
- Bassin de Rio Atoyac1076 km²
36 dept-equivalent regions (GADM L2)
- 81.4 km²12.6% of basin
- 68.7 km²10.6% of basin
- 45.8 km²7.1% of basin
- 44.4 km²6.9% of basin
- 40.3 km²6.2% of basin
- 39.1 km²6.0% of basin
- 37.1 km²5.7% of basin
- 31.1 km²4.8% of basin
28 moreFull L2 list
- San Bartolo Coyotepec30.9 km² · 4.8%
- Santa Ana Zegache26.8 km² · 4.1%
- San Agustín de las Juntas25.7 km² · 4.0%
- San Martín Tilcajete24.2 km² · 3.7%
- Ocotlán de Morelos22.4 km² · 3.5%
- Trinidad Zaachila21.3 km² · 3.3%
- Santa Catarina Quiané20.7 km² · 3.2%
- San Antonino Castillo Velasco10.9 km² · 1.7%
- Ciénega de Zimatlán10.3 km² · 1.6%
- Magdalena Mixtepec8.3 km² · 1.3%
- Santiago Apóstol8.3 km² · 1.3%
- San Raymundo Jalpan8.2 km² · 1.3%
- San Bernardo Mixtepec7.3 km² · 1.1%
- Santa María Coyotepec6.5 km² · 1.0%
- Santa Gertrudis6.5 km² · 1.0%
- San Juan Chilateca5.2 km² · 0.8%
- San Antonio de la Cal4.9 km² · 0.8%
- Ánimas Trujano3.0 km² · 0.5%
- Santa Inés Yatzeche2.4 km² · 0.4%
- San Pedro Ixtlahuaca2.3 km² · 0.4%
- Santa María Atzompa1.7 km² · 0.3%
- Oaxaca de Juárez1.3 km² · 0.2%
- Tlalixtac de Cabrera0.4 km² · 0.1%
- San Sebastián Teitipac0.3 km² · 0.1%
- Rojas de Cuauhtémoc0.1 km² · 0.0%
- Santa Catarina Minas0.1 km² · 0.0%
- San Sebastián Abasolo0.0 km² · 0.0%
- Santa María del Tule0.0 km² · 0.0%
2 intersecting protected areas
Centenario del Ejido
IUCN VIVoluntary Conservation Area
2.48 km² overlap
La Mina
IUCN VIVoluntary Conservation Area
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 082 distinct species · 99 556 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 : 22 espèces reliées par 56 interactions GloBI sur 4 types (connectance 12.0%, filtre Serrano α=0.2). 9 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°
19,6°C
Annual rain
723mm
Moisture idx (CMI)
-0,58
Runoff
334mm/an
PET
1 737mm
AET
610mm
Mean slope
6,9°
Water table
337cm
Forest
32%
Crops
33%
Urban
18%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)