HydroBASINS lev08 watershed · #7080607070
Bassin de San Juan River
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 1 administrative regions : San Juan
Sub-basin area
9,2km²
Upstream area
46 944km²
Discharge
80,77m³/s
Mean elev.
1 359m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #7080606830621 km²
- Bassin de Butler Wash192 km²
1 dept-equivalent regions (GADM L2)
- San JuanUtah · United States9.2 km²100.0% of basin
1 intersecting protected areas
National Monument
4.37 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
220 distinct species · 1 558 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 San Juan River : 30 espèces reliées par 109 interactions GloBI sur 4 types (connectance 9.7%, filtre Serrano α=0.2). 18 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°
12,6°C
Annual rain
193mm
Moisture idx (CMI)
-0,86
Runoff
16mm/an
PET
1 400mm
AET
166mm
Mean slope
6,6°
Water table
568cm
Forest
0%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)