HydroBASINS lev08 watershed · #7080689810
Bassin de Red 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 : Bowie, Little River, Miller
Sub-basin area
754,9km²
Upstream area
124 302,4km²
Discharge
439,98m³/s
Mean elev.
96m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Walnut Bayou333 km²
- Bassin de Red River209 km²
3 dept-equivalent regions (GADM L2)
- Little RiverArkansas · United States367.5 km²48.7% of basin
- 307.4 km²40.7% of basin
- MillerArkansas · United States79.8 km²10.6% of basin
2 intersecting protected areas
Reserve Program
5.36 km² overlap
Reserve Program
4.89 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 406 distinct species · 28 195 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Red River : 29 espèces reliées par 85 interactions GloBI sur 4 types (connectance 12.8%, filtre Serrano α=0.2). 8 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°
17,3°C
Annual rain
1 224mm
Moisture idx (CMI)
-0,11
Runoff
446mm/an
PET
1 375mm
AET
1 022mm
Mean slope
0,6°
Water table
32cm
Forest
26%
Crops
33%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)