HydroBASINS lev08 watershed · #7080635230
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 : Marion, Searcy
Sub-basin area
586,4km²
Upstream area
3 001,4km²
Discharge
38,15m³/s
Mean elev.
281m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Buffalo River296 km²
- Bassin de Bear Creek242 km²
2 dept-equivalent regions (GADM L2)
- MarionArkansas · United States325.9 km²55.6% of basin
- SearcyArkansas · United States260.5 km²44.4% of basin
2 intersecting protected areas
Buffalo National River
IUCN IbWilderness Area
41.80 km² overlap
Loafer's Glory
IUCN VState Wildlife Management Area
10.42 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 336 distinct species · 16 005 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 : 38 espèces reliées par 103 interactions GloBI sur 4 types (connectance 9.1%, filtre Serrano α=0.2). 10 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 144mm
Moisture idx (CMI)
-0,13
Runoff
427mm/an
PET
1 309mm
AET
947mm
Mean slope
6,7°
Water table
275cm
Forest
93%
Crops
10%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)