HydroBASINS lev08 watershed · #7080827340
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 Diego de la Unión
Sub-basin area
91,5km²
Upstream area
2 526,6km²
Discharge
4,84m³/s
Mean elev.
1 956m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Laja2028 km²
- Bassin de Río San Juan (El Llanito)407 km²
2 dept-equivalent regions (GADM L2)
- Dolores Hidalgo Cuna de la IndepGuanajuato · México90.5 km²99.1% of basin
- San Diego de la UniónGuanajuato · México0.8 km²0.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
214 distinct species · 494 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 : 33 espèces reliées par 109 interactions GloBI sur 4 types (connectance 8.9%, filtre Serrano α=0.2). 17 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°
17,9°C
Annual rain
480mm
Moisture idx (CMI)
-0,72
Runoff
24mm/an
PET
1 686mm
AET
405mm
Mean slope
1,6°
Water table
415cm
Forest
1%
Crops
35%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)