HydroBASINS lev08 watershed · #7080580880
Bassin de San Miguel 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 : Montrose
Sub-basin area
235,8km²
Upstream area
3 464,6km²
Discharge
13,44m³/s
Mean elev.
1 827m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dry Creek461 km²
- Bassin de San Miguel River63 km²
1 dept-equivalent regions (GADM L2)
- 236.0 km²100.0% of basin
2 intersecting protected areas
Tabeguache
IUCN IbWilderness Area
10.05 km² overlap
Private Conservation Land
2.16 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
425 distinct species · 46 508 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Miguel River : 17 espèces reliées par 57 interactions GloBI sur 3 types (connectance 16.2%, filtre Serrano α=0.2). 10 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°
9,2°C
Annual rain
333mm
Moisture idx (CMI)
-0,73
Runoff
98mm/an
PET
1 224mm
AET
285mm
Mean slope
5,8°
Water table
702cm
Forest
34%
Crops
5%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)