HydroBASINS lev08 watershed · #7080710710
Bassin de Bayou Choudrant
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 : Jackson, Lincoln, Ouachita, Union
Sub-basin area
535,8km²
Upstream area
535,8km²
Discharge
8,98m³/s
Mean elev.
63m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Lincoln183.2 km²34.2% of basin
- Jackson126.1 km²23.6% of basin
- 124.0 km²23.2% of basin
- Union102.2 km²19.1% of basin
3 intersecting protected areas
D 'Arbonne
IUCN IVNational Wildlife Refuge
12.19 km² overlap
Schoolhouse Springs Fee
IUCN VPrivate Conservation Land
0.12 km² overlap
D'arbonne Bayou
IUCN VState Wild or Scenic River
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
796 distinct species · 31 245 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Choudrant : 25 espèces reliées par 63 interactions GloBI sur 4 types (connectance 10.0%, 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°
17,7°C
Annual rain
1 340mm
Moisture idx (CMI)
-0,06
Runoff
530mm/an
PET
1 418mm
AET
1 051mm
Mean slope
1,5°
Water table
64cm
Forest
98%
Crops
6%
Urban
1%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)