HydroBASINS lev08 watershed · #7080607080
Bassin de McElmo Creek
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 2 administrative regions : Montezuma, San Juan
Sub-basin area
1 876km²
Upstream area
1 876,3km²
Discharge
3,95m³/s
Mean elev.
1 892m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1680.6 km²89.5% of basin
- San JuanUtah · United States196.2 km²10.5% of basin
12 intersecting protected areas
Canyons Of The Ancients
IUCN VNational Monument
554.94 km² overlap
Wilderness Study Area
52.10 km² overlap
Mesa Verde
IUCN IINational Park
30.23 km² overlap
Mesa Verde
IUCN IbWilderness Area
12.36 km² overlap
Hovenweep
IUCN IIINational Monument
1.78 km² overlap
Hovenweep
IUCN IIINational Monument
1.49 km² overlap
Puett Reservoir
IUCN Not AssignedState Wildlife Area
0.70 km² overlap
Hawkins
IUCN VPreserve
0.50 km² overlap
Hawkins
IUCN VCity Nature Center/Preserve
0.50 km² overlap
3 more protected areassorted by overlap area
Carpenter
IUCN VCity Natural Area
0.34 km² overlap
Conservation Easement
0.06 km² overlap
Pinion Grove
IUCN VGrove
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 172 distinct species · 258 733 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 McElmo Creek : 18 espèces reliées par 57 interactions GloBI sur 3 types (connectance 19.0%, filtre Serrano α=0.2). 7 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°
9,3°C
Annual rain
350mm
Moisture idx (CMI)
-0,71
Runoff
59mm/an
PET
1 233mm
AET
299mm
Mean slope
5,4°
Water table
685cm
Forest
31%
Crops
12%
Urban
1%
Protected
35%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)