HydroBASINS lev08 watershed · #7080633310
Bassin de Eleven Point 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 4 administrative regions : Lawrence, Oregon, Randolph, Ripley
Sub-basin area
589,4km²
Upstream area
3 119,9km²
Discharge
40,33m³/s
Mean elev.
147m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Frederick Creek415 km²
- Bassin de Eleven Point River330 km²
4 dept-equivalent regions (GADM L2)
- RandolphArkansas · United States460.5 km²78.1% of basin
- 118.2 km²20.0% of basin
- Ripley10.8 km²1.8% of basin
- LawrenceArkansas · United States0.1 km²0.0% of basin
2 intersecting protected areas
Eleven Point, Missouri
IUCN VWild and Scenic River
2.45 km² overlap
Myrtle
IUCN VAccess
0.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
617 distinct species · 10 286 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 Eleven Point River : 30 espèces reliées par 88 interactions GloBI sur 4 types (connectance 9.7%, 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°
14,0°C
Annual rain
1 193mm
Moisture idx (CMI)
-0,08
Runoff
417mm/an
PET
1 298mm
AET
936mm
Mean slope
3,0°
Water table
163cm
Forest
83%
Crops
25%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)