HydroBASINS lev08 watershed · #7080828180
Bassin de Río Laja
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 2 administrative regions : Dolores Hidalgo Cuna de la Indep, San Miguel de Allende
Sub-basin area
271,6km²
Upstream area
3 865,2km²
Discharge
5,77m³/s
Mean elev.
1 970m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Laja1067 km²
- Bassin de Río Laja92 km²
2 dept-equivalent regions (GADM L2)
- San Miguel de AllendeGuanajuato · México204.7 km²75.6% of basin
- Dolores Hidalgo Cuna de la IndepGuanajuato · México66.1 km²24.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
463 distinct species · 2 043 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Laja : 28 espèces reliées par 147 interactions GloBI sur 5 types (connectance 13.0%, filtre Serrano α=0.2). 20 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°
18,4°C
Annual rain
511mm
Moisture idx (CMI)
-0,70
Runoff
23mm/an
PET
1 682mm
AET
430mm
Mean slope
3,3°
Water table
489cm
Forest
6%
Crops
37%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)