HydroBASINS lev08 watershed · #7080707950
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 2 administrative regions : Morehouse, Ouachita
Sub-basin area
331km²
Upstream area
4 615,9km²
Discharge
76,68m³/s
Mean elev.
38m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Chemin-a-Haut Bayou765 km²
- Bassin de Bayou Bartholomew113 km²
2 dept-equivalent regions (GADM L2)
- 328.7 km²99.4% of basin
- 2.1 km²0.6% of basin
8 intersecting protected areas
Reserve Program
9.20 km² overlap
Chemin A Haut
IUCN IIIState Park
2.30 km² overlap
Bayou Bartholomew
IUCN VState Wild or Scenic River
2.02 km² overlap
Bayou Bartholomew
IUCN VConservation Easement
1.00 km² overlap
Reserve Program
0.49 km² overlap
Wetlands Reserve Program (WRP), Morehouse, LA
IUCN Not AssignedReserve Program
0.28 km² overlap
Conservation Easement
0.28 km² overlap
Ouachita River
IUCN VState Wild or Scenic River
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
521 distinct species · 9 569 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 : 24 espèces reliées par 69 interactions GloBI sur 4 types (connectance 12.3%, 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°
17,5°C
Annual rain
1 376mm
Moisture idx (CMI)
-0,02
Runoff
605mm/an
PET
1 400mm
AET
1 041mm
Mean slope
0,6°
Water table
29cm
Forest
43%
Crops
22%
Urban
6%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)