HydroBASINS lev08 watershed · #7080637980
Bassin de Buffalo 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 : Newton, Searcy
Sub-basin area
623,8km²
Upstream area
1 554,1km²
Discharge
19,36m³/s
Mean elev.
406m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Buffalo River565 km²
- Bassin de Little Buffalo River365 km²
2 dept-equivalent regions (GADM L2)
- NewtonArkansas · United States580.8 km²93.1% of basin
- SearcyArkansas · United States43.1 km²6.9% of basin
3 intersecting protected areas
Gene Rush/buffalo River
IUCN VState Wildlife Management Area
56.29 km² overlap
Buffalo River Karst Fee
IUCN VPrivate Conservation Land
5.54 km² overlap
Richland Creek
IUCN IbWilderness
0.45 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 027 distinct species · 4 166 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 Buffalo River : 30 espèces reliées par 82 interactions GloBI sur 4 types (connectance 9.1%, filtre Serrano α=0.2). 13 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°
14,2°C
Annual rain
1 181mm
Moisture idx (CMI)
-0,06
Runoff
388mm/an
PET
1 259mm
AET
957mm
Mean slope
8,7°
Water table
394cm
Forest
98%
Crops
15%
Urban
0%
Protected
9%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)