HydroBASINS lev08 watershed · #7080727830
Bassin de Red 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 1 administrative regions : Natchitoches
Sub-basin area
132km²
Upstream area
166 896,6km²
Discharge
998,11m³/s
Mean elev.
37m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Bayou Pierre2757 km²
- Bassin de Red River511 km²
1 dept-equivalent regions (GADM L2)
- 131.9 km²100.0% of basin
2 intersecting protected areas
Reserve Program
2.72 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Natchitoches, LA
IUCN VConservation Easement
0.59 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
284 distinct species · 2 751 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Red River : 34 espèces reliées par 81 interactions GloBI sur 3 types (connectance 8.6%, 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°
18,4°C
Annual rain
1 362mm
Moisture idx (CMI)
-0,06
Runoff
486mm/an
PET
1 456mm
AET
1 079mm
Mean slope
0,5°
Water table
23cm
Forest
37%
Crops
33%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)