HydroBASINS lev08 watershed · #7080612260
Bassin de Piedra 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 3 administrative regions : Archuleta, Hinsdale, Mineral
Sub-basin area
1 738km²
Upstream area
1 738km²
Discharge
6,11m³/s
Mean elev.
2 627m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1111.7 km²63.9% of basin
- 475.9 km²27.4% of basin
- Mineral151.2 km²8.7% of basin
7 intersecting protected areas
Weminuche
IUCN IbWilderness
272.84 km² overlap
Chimney Rock
IUCN IIINational Monument
19.12 km² overlap
Williams Creek
IUCN IaResearch Natural Area
1.97 km² overlap
Flatiron Mesa SHA
IUCN VConservation Easement
1.52 km² overlap
Piedra Valley
IUCN VEasement
1.09 km² overlap
Conservation
IUCN VEasement
0.34 km² overlap
MW Asset Management #2
IUCN Not AssignedConservation Easement
0.23 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 878 distinct species · 81 575 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Piedra River : 22 espèces reliées par 68 interactions GloBI sur 4 types (connectance 14.6%, filtre Serrano α=0.2). 9 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°
3,4°C
Annual rain
614mm
Moisture idx (CMI)
-0,36
Runoff
111mm/an
PET
1 001mm
AET
493mm
Mean slope
12,5°
Water table
568cm
Forest
94%
Crops
1%
Urban
0%
Protected
28%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)