HydroBASINS lev08 watershed · #7080828200
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 5 administrative regions : Dolores Hidalgo Cuna de la Indep, Guanajuato, Salamanca, San Miguel de Allende, Santa Cruz de Juventino Rosas
Sub-basin area
489,3km²
Upstream area
489,3km²
Discharge
0,47m³/s
Mean elev.
2 129m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- Dolores Hidalgo Cuna de la IndepGuanajuato · México297.8 km²61.0% of basin
- San Miguel de AllendeGuanajuato · México141.9 km²29.1% of basin
- GuanajuatoGuanajuato · México47.8 km²9.8% of basin
- Santa Cruz de Juventino RosasGuanajuato · México0.3 km²0.1% of basin
- 0.1 km²0.0% of basin
1 intersecting protected areas
Cuenca Alta del Río Temascatío
IUCN Not ReportedSustainable Use Area
0.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
416 distinct species · 1 250 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 : 37 espèces reliées par 96 interactions GloBI sur 4 types (connectance 8.5%, filtre Serrano α=0.2). 11 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
694mm
Moisture idx (CMI)
-0,56
Runoff
31mm/an
PET
1 594mm
AET
587mm
Mean slope
6,3°
Water table
557cm
Forest
24%
Crops
26%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)