HydroBASINS lev08 watershed · #7080852880
Bassin de Baaranca Oscura
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 5 administrative regions : San Juan de los Cués, San Lucas Zoquiápam, San Martín Toxpalan, Santa María Teopoxco, Teotitlán de Flores Magón
Sub-basin area
77,8km²
Upstream area
4 667,3km²
Discharge
48,98m³/s
Mean elev.
1 419m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Hondo1063 km²
- Bassin de Río Salado334 km²
5 dept-equivalent regions (GADM L2)
- 54.0 km²69.6% of basin
- 14.6 km²18.8% of basin
- 8.7 km²11.3% of basin
- 0.2 km²0.3% of basin
- 0.0 km²0.0% of basin
3 intersecting protected areas
Tehuacán-Cuicatlán
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
55.86 km² overlap
Tehuacán-Cuicatlán
IUCN VIBiosphere Reserve
55.68 km² overlap
Tehuacán-Cuicatlán Valley: originary habitat of Mesoamerica
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
2.56 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
535 distinct species · 1 240 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Baaranca Oscura : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 5 types (connectance 9.1%, 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°
19,7°C
Annual rain
987mm
Moisture idx (CMI)
-0,37
Runoff
759mm/an
PET
1 674mm
AET
754mm
Mean slope
15,3°
Water table
428cm
Forest
96%
Crops
20%
Urban
0%
Protected
72%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)