HydroBASINS lev08 watershed · #7080611450
Bassin de Small Sandy 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 4 administrative regions : Beaver, Clark, Harper, Meade
Sub-basin area
1 432,4km²
Upstream area
1 432,6km²
Discharge
1,06m³/s
Mean elev.
688m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Clark890.5 km²62.1% of basin
- 520.6 km²36.3% of basin
- BeaverOklahoma · United States21.3 km²1.5% of basin
- HarperOklahoma · United States0.6 km²0.0% of basin
1 intersecting protected areas
Big Basin Prairie
IUCN VPreserve
7.39 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
897 distinct species · 8 993 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Small Sandy Creek : 34 espèces reliées par 98 interactions GloBI sur 4 types (connectance 12.0%, 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°
13,4°C
Annual rain
556mm
Moisture idx (CMI)
-0,59
Runoff
24mm/an
PET
1 349mm
AET
472mm
Mean slope
1,1°
Water table
206cm
Forest
2%
Crops
33%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)