HydroBASINS lev08 watershed · #7080796510
Bassin de Río San Juan
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 : China, Doctor Coss, Los Aldamas, Los Herreras, Miguel Alemán
Sub-basin area
485,8km²
Upstream area
30 226,9km²
Discharge
33,8m³/s
Mean elev.
115m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río San Juan1151 km²
- Bassin de Rio Pesqueria847 km²
5 dept-equivalent regions (GADM L2)
- 253.3 km²52.2% of basin
- 155.7 km²32.1% of basin
- 68.0 km²14.0% of basin
- 7.6 km²1.6% of basin
- 0.3 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
197 distinct species · 808 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 San Juan : 33 espèces reliées par 82 interactions GloBI sur 3 types (connectance 8.3%, filtre Serrano α=0.2). 12 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°
23,4°C
Annual rain
546mm
Moisture idx (CMI)
-0,68
Runoff
22mm/an
PET
1 706mm
AET
460mm
Mean slope
0,6°
Water table
87cm
Forest
0%
Crops
25%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)