HydroBASINS lev08 watershed · #7080823160
Bassin de Rio Santa Maria
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 3 administrative regions : Aquismón, Jalpan de Serra, Tamasopo
Sub-basin area
115,8km²
Upstream area
20 306,9km²
Discharge
41,87m³/s
Mean elev.
601m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
3 dept-equivalent regions (GADM L2)
- 77.6 km²67.2% of basin
- 37.4 km²32.4% of basin
- Jalpan de SerraQuerétaro · México0.4 km²0.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
427 distinct species · 2 900 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Santa Maria : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 3 types (connectance 6.6%, filtre Serrano α=0.2). 8 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°
22,7°C
Annual rain
1 908mm
Moisture idx (CMI)
0,11
Runoff
440mm/an
PET
1 682mm
AET
1 266mm
Mean slope
13,4°
Water table
657cm
Forest
24%
Crops
46%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)