HydroBASINS lev08 watershed · #7080704200
Bassin de Little Corney Bayou
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 : Claiborne, Union
Sub-basin area
446,4km²
Upstream area
446,4km²
Discharge
6,76m³/s
Mean elev.
69m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- UnionArkansas · United States338.0 km²75.8% of basin
- Union100.1 km²22.4% of basin
- 8.0 km²1.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
452 distinct species · 1 244 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Little Corney Bayou : 29 espèces reliées par 94 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 16 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°
17,2°C
Annual rain
1 298mm
Moisture idx (CMI)
-0,07
Runoff
478mm/an
PET
1 399mm
AET
1 035mm
Mean slope
1,3°
Water table
54cm
Forest
100%
Crops
3%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)