HydroBASINS lev08 watershed · #7080627990
Bassin de Grand 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 2 administrative regions : Craig, Mayes
Sub-basin area
221,4km²
Upstream area
28 346,1km²
Discharge
251,21m³/s
Mean elev.
211m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Big Cabin Creek1325 km²
- Bassin de Grand River1112 km²
2 dept-equivalent regions (GADM L2)
- MayesOklahoma · United States178.1 km²80.4% of basin
- CraigOklahoma · United States43.3 km²19.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
293 distinct species · 1 360 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Grand River : 27 espèces reliées par 104 interactions GloBI sur 4 types (connectance 12.1%, filtre Serrano α=0.2). 15 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°
14,9°C
Annual rain
1 074mm
Moisture idx (CMI)
-0,16
Runoff
267mm/an
PET
1 284mm
AET
908mm
Mean slope
0,7°
Water table
63cm
Forest
17%
Crops
45%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)