HydroBASINS lev08 watershed · #7080857400
Bassin de Rio Cajonos
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 33 administrative regions : Mixistlán de la Reforma, San Andrés Solaga, San Andrés Yaá, San Baltazar Yatzachi el Bajo, San Bartolomé Zoogocho +28
Sub-basin area
1 029,5km²
Upstream area
1 651,1km²
Discharge
89,45m³/s
Mean elev.
1 608m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #7080859930322 km²
- Bassin · #7080859960300 km²
33 dept-equivalent regions (GADM L2)
- 116.7 km²11.4% of basin
- 98.1 km²9.6% of basin
- 92.2 km²9.0% of basin
- 60.8 km²5.9% of basin
- 59.0 km²5.7% of basin
- 55.8 km²5.4% of basin
- 50.3 km²4.9% of basin
- 48.6 km²4.7% of basin
25 moreFull L2 list
- San Francisco Cajonos44.7 km² · 4.4%
- San Andrés Yaá40.9 km² · 4.0%
- San Melchor Betaza34.1 km² · 3.3%
- Santo Domingo Roayaga32.0 km² · 3.1%
- Santa María Yalina31.6 km² · 3.1%
- Santo Domingo Xagacía30.9 km² · 3.0%
- San Baltazar Yatzachi el Bajo30.3 km² · 3.0%
- San Juan Yatzona29.1 km² · 2.8%
- Santiago Lalopa25.5 km² · 2.5%
- San Juan Juquila Vijanos20.0 km² · 2.0%
- San Juan Tabaá19.6 km² · 1.9%
- San Cristóbal Lachirioag16.8 km² · 1.6%
- San Pablo Yaganiza15.9 km² · 1.6%
- San Juan Yaeé15.1 km² · 1.5%
- San Mateo Cajonos14.5 km² · 1.4%
- Santa María Temaxcalapa13.2 km² · 1.3%
- San Bartolomé Zoogocho8.7 km² · 0.9%
- Santiago Zoochila8.2 km² · 0.8%
- San Juan Petlapa3.6 km² · 0.4%
- Santiago Xiacuí3.6 km² · 0.3%
- San Pedro Cajonos2.8 km² · 0.3%
- Santa María Yavesía1.4 km² · 0.1%
- Tanetze de Zaragoza0.8 km² · 0.1%
- Villa Díaz Ordaz0.8 km² · 0.1%
- Santa María Tlahuitoltepec0.0 km² · 0.0%
1 intersecting protected areas
Yuuk'am
IUCN VIVoluntary Conservation Area
5.57 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 742 distinct species · 6 134 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 Rio Cajonos : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 4 types (connectance 6.7%, 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°
17,4°C
Annual rain
1 786mm
Moisture idx (CMI)
0,14
Runoff
1 339mm/an
PET
1 467mm
AET
1 096mm
Mean slope
22,3°
Water table
770cm
Forest
67%
Crops
15%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)