HydroBASINS lev08 watershed · #7080694640
Bassin de Bayou Bartholomew
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 5 administrative regions : Ashley, Chicot, Desha, Drew, Lincoln
Sub-basin area
869,8km²
Upstream area
1 799,9km²
Discharge
28,52m³/s
Mean elev.
56m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Bartholomew Bayou651 km²
- Bassin de Bayou Bartholomew279 km²
5 dept-equivalent regions (GADM L2)
- DrewArkansas · United States407.3 km²46.8% of basin
- LincolnArkansas · United States366.8 km²42.2% of basin
- DeshaArkansas · United States49.4 km²5.7% of basin
- AshleyArkansas · United States32.5 km²3.7% of basin
- ChicotArkansas · United States13.5 km²1.6% of basin
4 intersecting protected areas
Cut-off Creek
IUCN VState Wildlife Management Area
6.72 km² overlap
US-AR-65-1 Carbon Offset
IUCN Not AssignedConservation Easement
1.69 km² overlap
Reserve Program
1.28 km² overlap
Reserve Program
0.91 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
592 distinct species · 1 851 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 Bayou Bartholomew : 32 espèces reliées par 110 interactions GloBI sur 4 types (connectance 12.2%, filtre Serrano α=0.2). 11 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°
17,0°C
Annual rain
1 331mm
Moisture idx (CMI)
-0,02
Runoff
583mm/an
PET
1 360mm
AET
1 003mm
Mean slope
0,4°
Water table
22cm
Forest
30%
Crops
50%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)