HydroBASINS lev08 watershed · #7080579970
Bassin de Big Atkinson 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 : Mesa, Montrose
Sub-basin area
169,8km²
Upstream area
4 040,8km²
Discharge
15,02m³/s
Mean elev.
1 914m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Tabeguache Creek407 km²
- Bassin de San Miguel River236 km²
2 dept-equivalent regions (GADM L2)
- 164.0 km²96.5% of basin
- 5.9 km²3.5% of basin
1 intersecting protected areas
Private Conservation Land
0.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
213 distinct species · 790 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Big Atkinson Creek : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 124 interactions GloBI sur 5 types (connectance 10.1%, filtre Serrano α=0.2). 19 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°
8,8°C
Annual rain
358mm
Moisture idx (CMI)
-0,69
Runoff
92mm/an
PET
1 188mm
AET
307mm
Mean slope
9,4°
Water table
752cm
Forest
52%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)