HydroBASINS lev08 watershed · #7080682340
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 4 administrative regions : Choctaw, Fannin, Lamar, Red River
Sub-basin area
1 349,1km²
Upstream area
115 593,7km²
Discharge
328,82m³/s
Mean elev.
156m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Muddy Boggy Creek556 km²
- Bassin de Red River466 km²
4 dept-equivalent regions (GADM L2)
- Lamar986.4 km²73.1% of basin
- ChoctawOklahoma · United States291.3 km²21.6% of basin
- Red River48.1 km²3.6% of basin
- Fannin22.8 km²1.7% of basin
6 intersecting protected areas
Lake Crook
IUCN VCity Lake
10.23 km² overlap
Reserve Program
6.41 km² overlap
Gambill Goose
IUCN VRefuge
2.26 km² overlap
Lake Gibbons
IUCN VCity Lake
1.50 km² overlap
Tridens Prairie Fee
IUCN VPrivate Conservation Land
0.43 km² overlap
Reserve Program
0.42 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 409 distinct species · 33 803 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 : 23 espèces reliées par 95 interactions GloBI sur 4 types (connectance 14.3%, filtre Serrano α=0.2). 14 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 160mm
Moisture idx (CMI)
-0,15
Runoff
357mm/an
PET
1 369mm
AET
981mm
Mean slope
0,7°
Water table
53cm
Forest
29%
Crops
37%
Urban
1%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)